./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-005.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-005.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:59:09,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:59:09,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:59:09,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:59:09,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:59:09,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:59:09,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:59:09,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:59:09,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:59:09,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:59:09,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:59:09,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:59:09,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:59:09,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:59:09,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:59:09,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:59:09,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:59:09,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:59:09,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:59:09,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:59:09,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:59:09,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:59:09,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:59:09,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:59:09,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:59:09,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:59:09,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:59:09,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:59:09,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:59:10,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:59:10,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:59:10,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:59:10,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:59:10,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:59:10,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:59:10,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:59:10,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:59:10,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:59:10,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:59:10,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:59:10,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:59:10,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:59:10,052 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:59:10,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:59:10,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:59:10,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:59:10,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:59:10,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:59:10,055 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:59:10,055 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:59:10,055 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:59:10,056 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:59:10,057 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:59:10,057 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:59:10,057 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:59:10,057 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:59:10,057 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:59:10,058 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:59:10,058 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:59:10,058 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:59:10,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:59:10,059 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:59:10,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:59:10,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:59:10,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:59:10,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:59:10,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:59:10,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:59:10,061 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:59:10,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:59:10,062 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:59:10,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:59:10,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:59:10,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:59:10,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:59:10,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:59:10,063 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:59:10,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:59:10,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:59:10,064 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:59:10,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:59:10,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:59:10,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:59:10,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 [2022-11-23 14:59:10,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:59:10,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:59:10,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:59:10,369 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:59:10,369 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:59:10,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/xcsp/AllInterval-005.c [2022-11-23 14:59:13,419 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:59:13,586 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:59:13,587 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/sv-benchmarks/c/xcsp/AllInterval-005.c [2022-11-23 14:59:13,593 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/data/6c9a361a1/11b412b873f44f03b55a10d54e2a374d/FLAGa69e9694e [2022-11-23 14:59:13,608 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/data/6c9a361a1/11b412b873f44f03b55a10d54e2a374d [2022-11-23 14:59:13,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:59:13,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:59:13,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:59:13,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:59:13,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:59:13,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70365c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13, skipping insertion in model container [2022-11-23 14:59:13,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:59:13,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:59:13,806 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/sv-benchmarks/c/xcsp/AllInterval-005.c[2566,2579] [2022-11-23 14:59:13,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:59:13,822 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:59:13,845 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/sv-benchmarks/c/xcsp/AllInterval-005.c[2566,2579] [2022-11-23 14:59:13,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:59:13,859 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:59:13,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13 WrapperNode [2022-11-23 14:59:13,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:59:13,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:59:13,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:59:13,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:59:13,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,901 INFO L138 Inliner]: procedures = 13, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 100 [2022-11-23 14:59:13,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:59:13,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:59:13,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:59:13,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:59:13,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,921 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:59:13,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:59:13,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:59:13,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:59:13,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (1/1) ... [2022-11-23 14:59:13,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:59:13,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:59:13,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:59:13,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:59:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:59:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:59:14,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:59:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:59:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-11-23 14:59:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-11-23 14:59:14,085 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:59:14,087 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:59:14,270 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:59:14,298 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:59:14,298 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:59:14,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:14 BoogieIcfgContainer [2022-11-23 14:59:14,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:59:14,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:59:14,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:59:14,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:59:14,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:59:13" (1/3) ... [2022-11-23 14:59:14,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c916a45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:14, skipping insertion in model container [2022-11-23 14:59:14,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:59:13" (2/3) ... [2022-11-23 14:59:14,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c916a45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:59:14, skipping insertion in model container [2022-11-23 14:59:14,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:14" (3/3) ... [2022-11-23 14:59:14,310 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-005.c [2022-11-23 14:59:14,329 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:59:14,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:59:14,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:59:14,386 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@30202fab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:59:14,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:59:14,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 16 states have (on average 1.0625) internal successors, (17), 17 states have internal predecessors, (17), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-11-23 14:59:14,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-23 14:59:14,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:59:14,405 INFO L195 NwaCegarLoop]: trace histogram [38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:59:14,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:59:14,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:59:14,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1594141512, now seen corresponding path program 1 times [2022-11-23 14:59:14,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:59:14,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316455126] [2022-11-23 14:59:14,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:59:14,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:59:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:59:14,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:59:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:59:15,334 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 14:59:15,340 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:59:15,341 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 14:59:15,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:59:15,349 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 14:59:15,356 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:59:15,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:59:15 BoogieIcfgContainer [2022-11-23 14:59:15,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:59:15,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:59:15,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:59:15,445 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:59:15,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:59:14" (3/4) ... [2022-11-23 14:59:15,448 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 14:59:15,543 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:59:15,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:59:15,545 INFO L158 Benchmark]: Toolchain (without parser) took 1932.39ms. Allocated memory is still 172.0MB. Free memory was 131.0MB in the beginning and 93.4MB in the end (delta: 37.6MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-11-23 14:59:15,545 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:59:15,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.03ms. Allocated memory is still 172.0MB. Free memory was 131.0MB in the beginning and 120.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 14:59:15,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.73ms. Allocated memory is still 172.0MB. Free memory was 120.0MB in the beginning and 118.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:59:15,546 INFO L158 Benchmark]: Boogie Preprocessor took 22.13ms. Allocated memory is still 172.0MB. Free memory was 118.2MB in the beginning and 116.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:59:15,547 INFO L158 Benchmark]: RCFGBuilder took 376.96ms. Allocated memory is still 172.0MB. Free memory was 116.9MB in the beginning and 102.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 14:59:15,547 INFO L158 Benchmark]: TraceAbstraction took 1139.95ms. Allocated memory is still 172.0MB. Free memory was 102.2MB in the beginning and 99.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-23 14:59:15,548 INFO L158 Benchmark]: Witness Printer took 99.06ms. Allocated memory is still 172.0MB. Free memory was 99.7MB in the beginning and 93.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 14:59:15,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.03ms. Allocated memory is still 172.0MB. Free memory was 131.0MB in the beginning and 120.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.73ms. Allocated memory is still 172.0MB. Free memory was 120.0MB in the beginning and 118.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.13ms. Allocated memory is still 172.0MB. Free memory was 118.2MB in the beginning and 116.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.96ms. Allocated memory is still 172.0MB. Free memory was 116.9MB in the beginning and 102.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1139.95ms. Allocated memory is still 172.0MB. Free memory was 102.2MB in the beginning and 99.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Witness Printer took 99.06ms. Allocated memory is still 172.0MB. Free memory was 99.7MB in the beginning and 93.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - 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: 93]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L29] CALL assume(var0 >= 0) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L29] RET assume(var0 >= 0) VAL [dummy=0, var0=2] [L30] CALL assume(var0 <= 4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L30] RET assume(var0 <= 4) VAL [dummy=0, var0=2] [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L33] CALL assume(var1 >= 0) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L33] RET assume(var1 >= 0) VAL [dummy=0, var0=2, var1=1] [L34] CALL assume(var1 <= 4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L34] RET assume(var1 <= 4) VAL [dummy=0, var0=2, var1=1] [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L37] CALL assume(var2 >= 0) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L37] RET assume(var2 >= 0) VAL [dummy=0, var0=2, var1=1, var2=3] [L38] CALL assume(var2 <= 4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L38] RET assume(var2 <= 4) VAL [dummy=0, var0=2, var1=1, var2=3] [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L41] CALL assume(var3 >= 0) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L41] RET assume(var3 >= 0) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0] [L42] CALL assume(var3 <= 4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L42] RET assume(var3 <= 4) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0] [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L45] CALL assume(var4 >= 0) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L45] RET assume(var4 >= 0) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0, var4=4] [L46] CALL assume(var4 <= 4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L46] RET assume(var4 <= 4) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0, var4=4] [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L49] CALL assume(var5 >= 1) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L49] RET assume(var5 >= 1) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1] [L50] CALL assume(var5 <= 4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L50] RET assume(var5 <= 4) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1] [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L53] CALL assume(var6 >= 1) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L53] RET assume(var6 >= 1) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2] [L54] CALL assume(var6 <= 4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L54] RET assume(var6 <= 4) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2] [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L57] CALL assume(var7 >= 1) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L57] RET assume(var7 >= 1) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3] [L58] CALL assume(var7 <= 4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L58] RET assume(var7 <= 4) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3] [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L61] CALL assume(var8 >= 1) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L61] RET assume(var8 >= 1) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L62] CALL assume(var8 <= 4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L62] RET assume(var8 <= 4) VAL [dummy=0, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L63] int myvar0 = 1; VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L64] CALL assume(var0 != var1) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L64] RET assume(var0 != var1) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L65] CALL assume(var0 != var2) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L65] RET assume(var0 != var2) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L66] CALL assume(var0 != var3) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L66] RET assume(var0 != var3) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L67] CALL assume(var0 != var4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L67] RET assume(var0 != var4) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L68] CALL assume(var1 != var2) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L68] RET assume(var1 != var2) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L69] CALL assume(var1 != var3) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L69] RET assume(var1 != var3) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L70] CALL assume(var1 != var4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L70] RET assume(var1 != var4) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L71] CALL assume(var2 != var3) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L71] RET assume(var2 != var3) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L72] CALL assume(var2 != var4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L72] RET assume(var2 != var4) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L73] CALL assume(var3 != var4) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L73] RET assume(var3 != var4) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L74] CALL assume(var5 != var6) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L74] RET assume(var5 != var6) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L75] CALL assume(var5 != var7) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L75] RET assume(var5 != var7) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L76] CALL assume(var5 != var8) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L76] RET assume(var5 != var8) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L77] CALL assume(var6 != var7) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L77] RET assume(var6 != var7) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L78] CALL assume(var6 != var8) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L78] RET assume(var6 != var8) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L79] CALL assume(var7 != var8) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L79] RET assume(var7 != var8) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4] [L80] int var_for_abs; [L81] var_for_abs = var0 - var1 [L82] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4, var_for_abs=1] [L83] CALL assume(var5 == var_for_abs) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L83] RET assume(var5 == var_for_abs) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4, var_for_abs=1] [L84] var_for_abs = var1 - var2 [L85] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4, var_for_abs=2] [L86] CALL assume(var6 == var_for_abs) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L86] RET assume(var6 == var_for_abs) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4, var_for_abs=2] [L87] var_for_abs = var2 - var3 [L88] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4, var_for_abs=3] [L89] CALL assume(var7 == var_for_abs) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L89] RET assume(var7 == var_for_abs) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4, var_for_abs=3] [L90] var_for_abs = var3 - var4 [L91] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4, var_for_abs=4] [L92] CALL assume(var8 == var_for_abs) VAL [unknown-#in~cond-unknown=1] [L20] COND FALSE !(!cond) [L92] RET assume(var8 == var_for_abs) VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4, var_for_abs=4] [L93] reach_error() VAL [dummy=0, myvar0=1, var0=2, var1=1, var2=3, var3=0, var4=4, var5=1, var6=2, var7=3, var8=4, var_for_abs=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 38, 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=57occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 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! [2022-11-23 14:59:15,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65df256b-b3ce-4129-88f9-ad6c37f72461/bin/utaipan-Q6hlc19bkW/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