./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81448e832d78f980434ccb484de3911b06334d4388445fb090e6feddfa451d88 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:49,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:49,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:36:49,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:49,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:49,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:49,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:49,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:49,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:49,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:49,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:49,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:49,798 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:49,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:49,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:36:49,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:36:49,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:49,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:36:49,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:49,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:36:49,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:49,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:36:49,804 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:36:49,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:36:49,805 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:36:49,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:49,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:49,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:49,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:49,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:49,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:49,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:49,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:49,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:36:49,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:36:49,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:36:49,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:49,811 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:36:49,812 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:49,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:49,813 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:49,814 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81448e832d78f980434ccb484de3911b06334d4388445fb090e6feddfa451d88 [2023-11-19 07:36:50,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:50,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:50,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:50,106 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:50,106 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:50,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c [2023-11-19 07:36:53,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:53,490 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:53,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/sv-benchmarks/c/recursified_nla-digbench/recursified_bresenham.c [2023-11-19 07:36:53,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/data/0e8e8176f/8016fe9bc6864f30ad20636617b58fd2/FLAG17222fdf9 [2023-11-19 07:36:53,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/data/0e8e8176f/8016fe9bc6864f30ad20636617b58fd2 [2023-11-19 07:36:53,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:53,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:53,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:53,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:53,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:53,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c4e453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53, skipping insertion in model container [2023-11-19 07:36:53,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,576 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:53,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:53,777 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:53,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:53,828 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:53,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53 WrapperNode [2023-11-19 07:36:53,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:53,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:53,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:53,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:53,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,899 INFO L138 Inliner]: procedures = 16, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-11-19 07:36:53,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:53,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:53,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:53,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:53,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:53,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:53,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:53,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:53,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (1/1) ... [2023-11-19 07:36:53,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:53,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:54,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:54,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:36:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:36:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:36:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_39_0 [2023-11-19 07:36:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_39_0 [2023-11-19 07:36:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:36:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:36:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:36:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:36:54,136 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:54,139 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:54,733 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:54,751 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:54,751 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:36:54,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:54 BoogieIcfgContainer [2023-11-19 07:36:54,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:54,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:36:54,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:36:54,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:36:54,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:53" (1/3) ... [2023-11-19 07:36:54,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd704de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:54, skipping insertion in model container [2023-11-19 07:36:54,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:53" (2/3) ... [2023-11-19 07:36:54,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd704de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:54, skipping insertion in model container [2023-11-19 07:36:54,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:54" (3/3) ... [2023-11-19 07:36:54,768 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_bresenham.c [2023-11-19 07:36:54,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:36:54,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2023-11-19 07:36:54,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:36:54,851 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@5c00c4bc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:36:54,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2023-11-19 07:36:54,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 76 states have (on average 1.8157894736842106) internal successors, (138), 135 states have internal predecessors, (138), 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) [2023-11-19 07:36:54,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 07:36:54,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:54,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-19 07:36:54,872 INFO L420 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)] === [2023-11-19 07:36:54,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:54,877 INFO L85 PathProgramCache]: Analyzing trace with hash 115254, now seen corresponding path program 1 times [2023-11-19 07:36:54,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:54,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479378661] [2023-11-19 07:36:54,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:54,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:55,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:55,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:55,123 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:36:55,124 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 58 remaining) [2023-11-19 07:36:55,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 58 remaining) [2023-11-19 07:36:55,126 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 58 remaining) [2023-11-19 07:36:55,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 58 remaining) [2023-11-19 07:36:55,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 58 remaining) [2023-11-19 07:36:55,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 58 remaining) [2023-11-19 07:36:55,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 58 remaining) [2023-11-19 07:36:55,129 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 58 remaining) [2023-11-19 07:36:55,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 58 remaining) [2023-11-19 07:36:55,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 58 remaining) [2023-11-19 07:36:55,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 58 remaining) [2023-11-19 07:36:55,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 58 remaining) [2023-11-19 07:36:55,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 58 remaining) [2023-11-19 07:36:55,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 58 remaining) [2023-11-19 07:36:55,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 58 remaining) [2023-11-19 07:36:55,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 58 remaining) [2023-11-19 07:36:55,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 58 remaining) [2023-11-19 07:36:55,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 58 remaining) [2023-11-19 07:36:55,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 58 remaining) [2023-11-19 07:36:55,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 58 remaining) [2023-11-19 07:36:55,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 58 remaining) [2023-11-19 07:36:55,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 58 remaining) [2023-11-19 07:36:55,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 58 remaining) [2023-11-19 07:36:55,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 58 remaining) [2023-11-19 07:36:55,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 58 remaining) [2023-11-19 07:36:55,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 58 remaining) [2023-11-19 07:36:55,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 58 remaining) [2023-11-19 07:36:55,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err26ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 58 remaining) [2023-11-19 07:36:55,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err27ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 58 remaining) [2023-11-19 07:36:55,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err28ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 58 remaining) [2023-11-19 07:36:55,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err29ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 58 remaining) [2023-11-19 07:36:55,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err30ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 58 remaining) [2023-11-19 07:36:55,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_27_to_39_0Err31ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 58 remaining) [2023-11-19 07:36:55,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 58 remaining) [2023-11-19 07:36:55,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 58 remaining) [2023-11-19 07:36:55,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 58 remaining) [2023-11-19 07:36:55,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 58 remaining) [2023-11-19 07:36:55,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 58 remaining) [2023-11-19 07:36:55,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 58 remaining) [2023-11-19 07:36:55,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 58 remaining) [2023-11-19 07:36:55,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 58 remaining) [2023-11-19 07:36:55,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 58 remaining) [2023-11-19 07:36:55,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 58 remaining) [2023-11-19 07:36:55,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 58 remaining) [2023-11-19 07:36:55,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 58 remaining) [2023-11-19 07:36:55,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 58 remaining) [2023-11-19 07:36:55,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 58 remaining) [2023-11-19 07:36:55,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 58 remaining) [2023-11-19 07:36:55,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 58 remaining) [2023-11-19 07:36:55,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 58 remaining) [2023-11-19 07:36:55,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 58 remaining) [2023-11-19 07:36:55,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 58 remaining) [2023-11-19 07:36:55,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 58 remaining) [2023-11-19 07:36:55,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 58 remaining) [2023-11-19 07:36:55,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 58 remaining) [2023-11-19 07:36:55,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 58 remaining) [2023-11-19 07:36:55,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 58 remaining) [2023-11-19 07:36:55,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 58 remaining) [2023-11-19 07:36:55,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:36:55,164 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 07:36:55,175 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:36:55,190 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-19 07:36:55,191 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-19 07:36:55,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:36:55 BoogieIcfgContainer [2023-11-19 07:36:55,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:36:55,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:36:55,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:36:55,202 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:36:55,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:54" (3/4) ... [2023-11-19 07:36:55,204 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 07:36:55,207 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-19 07:36:55,207 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-19 07:36:55,239 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:36:55,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:36:55,241 INFO L158 Benchmark]: Toolchain (without parser) took 1706.93ms. Allocated memory is still 205.5MB. Free memory was 159.6MB in the beginning and 149.7MB in the end (delta: 9.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-19 07:36:55,241 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:55,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.99ms. Allocated memory is still 205.5MB. Free memory was 159.6MB in the beginning and 148.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:36:55,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.68ms. Allocated memory is still 205.5MB. Free memory was 148.3MB in the beginning and 146.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:55,243 INFO L158 Benchmark]: Boogie Preprocessor took 59.28ms. Allocated memory is still 205.5MB. Free memory was 146.5MB in the beginning and 144.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:55,243 INFO L158 Benchmark]: RCFGBuilder took 795.28ms. Allocated memory is still 205.5MB. Free memory was 144.9MB in the beginning and 172.8MB in the end (delta: -27.9MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2023-11-19 07:36:55,244 INFO L158 Benchmark]: TraceAbstraction took 439.80ms. Allocated memory is still 205.5MB. Free memory was 171.8MB in the beginning and 150.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 07:36:55,244 INFO L158 Benchmark]: Witness Printer took 37.57ms. Allocated memory is still 205.5MB. Free memory was 150.8MB in the beginning and 149.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:55,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.99ms. Allocated memory is still 205.5MB. Free memory was 159.6MB in the beginning and 148.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.68ms. Allocated memory is still 205.5MB. Free memory was 148.3MB in the beginning and 146.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.28ms. Allocated memory is still 205.5MB. Free memory was 146.5MB in the beginning and 144.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 795.28ms. Allocated memory is still 205.5MB. Free memory was 144.9MB in the beginning and 172.8MB in the end (delta: -27.9MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * TraceAbstraction took 439.80ms. Allocated memory is still 205.5MB. Free memory was 171.8MB in the beginning and 150.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 37.57ms. Allocated memory is still 205.5MB. Free memory was 150.8MB in the beginning and 149.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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={8:0}, Y={5:0}, v={9:0}, x={7:0}, y={6:0}] [L90] 2 * Y VAL [X={8:0}, Y={5:0}, v={9:0}, x={7:0}, y={6:0}] - 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, 141 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=141occurred 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, 3 NumberOfCodeBlocks, 3 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! [2023-11-19 07:36:55,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89bfdf47-31e7-4eb2-ba1d-fa19583617e5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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)