./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.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_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/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_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/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_089b80b9-c2fe-45bb-bd95-341b55297c02/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 008f13fd1550f54b25db8c20ee30759d3819e45d65744da9f4f77718b68e7e66 --- 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 15:25:26,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:25:26,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:25:26,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:25:26,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:25:26,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:25:26,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:25:26,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:25:26,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:25:26,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:25:26,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:25:26,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:25:26,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:25:26,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:25:26,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:25:26,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:25:26,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:25:26,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:25:26,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:25:26,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:25:26,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:25:26,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:25:26,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:25:26,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:25:26,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:25:26,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:25:26,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:25:26,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:25:26,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:25:26,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:25:26,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:25:26,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:25:26,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:25:26,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:25:26,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:25:26,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:25:26,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:25:26,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:25:26,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:25:26,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:25:26,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:25:26,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:25:26,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:25:26,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:25:26,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:25:26,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:25:26,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:25:26,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:25:26,358 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:25:26,358 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:25:26,358 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:25:26,358 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:25:26,359 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:25:26,360 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:25:26,360 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:25:26,360 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:25:26,361 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:25:26,361 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:25:26,361 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:25:26,361 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:25:26,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:25:26,362 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:25:26,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:25:26,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:25:26,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:25:26,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:25:26,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:25:26,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:25:26,364 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:25:26,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:25:26,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:25:26,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:25:26,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:25:26,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:25:26,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:25:26,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:25:26,366 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:25:26,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:25:26,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:25:26,367 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:25:26,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:25:26,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:25:26,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:25:26,368 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_089b80b9-c2fe-45bb-bd95-341b55297c02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 008f13fd1550f54b25db8c20ee30759d3819e45d65744da9f4f77718b68e7e66 [2022-11-23 15:25:26,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:25:26,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:25:26,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:25:26,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:25:26,727 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:25:26,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c [2022-11-23 15:25:29,777 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:25:30,049 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:25:30,052 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c [2022-11-23 15:25:30,059 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/data/bb55650f0/61238307565c40fe95d6daed18b24b37/FLAG23aa13874 [2022-11-23 15:25:30,082 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/data/bb55650f0/61238307565c40fe95d6daed18b24b37 [2022-11-23 15:25:30,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:25:30,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:25:30,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:25:30,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:25:30,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:25:30,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5e5282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30, skipping insertion in model container [2022-11-23 15:25:30,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:25:30,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:25:30,330 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_089b80b9-c2fe-45bb-bd95-341b55297c02/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c[489,502] [2022-11-23 15:25:30,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:25:30,389 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:25:30,404 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_089b80b9-c2fe-45bb-bd95-341b55297c02/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c[489,502] [2022-11-23 15:25:30,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:25:30,430 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:25:30,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30 WrapperNode [2022-11-23 15:25:30,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:25:30,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:25:30,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:25:30,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:25:30,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,467 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-11-23 15:25:30,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:25:30,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:25:30,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:25:30,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:25:30,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,501 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:25:30,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:25:30,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:25:30,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:25:30,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (1/1) ... [2022-11-23 15:25:30,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:25:30,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:30,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:25:30,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:25:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:25:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:25:30,598 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:25:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:25:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:25:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:25:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 15:25:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 15:25:30,679 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:25:30,681 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:25:30,855 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:25:30,893 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:25:30,893 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:25:30,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:30 BoogieIcfgContainer [2022-11-23 15:25:30,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:25:30,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:25:30,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:25:30,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:25:30,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:25:30" (1/3) ... [2022-11-23 15:25:30,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5fd9ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:30, skipping insertion in model container [2022-11-23 15:25:30,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:30" (2/3) ... [2022-11-23 15:25:30,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5fd9ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:30, skipping insertion in model container [2022-11-23 15:25:30,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:30" (3/3) ... [2022-11-23 15:25:30,906 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound1.c [2022-11-23 15:25:30,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:25:30,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:25:30,996 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:25:31,007 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;@62b7de7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:25:31,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:25:31,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 15:25:31,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 15:25:31,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:31,025 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:31,027 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:25:31,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:31,035 INFO L85 PathProgramCache]: Analyzing trace with hash -2040384688, now seen corresponding path program 1 times [2022-11-23 15:25:31,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:31,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327201700] [2022-11-23 15:25:31,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:31,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:31,210 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:25:31,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [685542503] [2022-11-23 15:25:31,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:31,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:31,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:31,218 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:25:31,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:25:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:31,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-23 15:25:31,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:25:31,611 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:25:31,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:25:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 15:25:31,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:31,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327201700] [2022-11-23 15:25:31,820 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:25:31,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685542503] [2022-11-23 15:25:31,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685542503] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 15:25:31,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:25:31,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2022-11-23 15:25:31,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224306687] [2022-11-23 15:25:31,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:31,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:25:31,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:31,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:25:31,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:25:31,861 INFO L87 Difference]: Start difference. First operand has 26 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-23 15:25:32,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:32,114 INFO L93 Difference]: Finished difference Result 58 states and 99 transitions. [2022-11-23 15:25:32,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:25:32,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 20 [2022-11-23 15:25:32,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:32,126 INFO L225 Difference]: With dead ends: 58 [2022-11-23 15:25:32,126 INFO L226 Difference]: Without dead ends: 37 [2022-11-23 15:25:32,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:25:32,135 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 8 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:32,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 110 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:25:32,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-23 15:25:32,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2022-11-23 15:25:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:25:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2022-11-23 15:25:32,238 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 20 [2022-11-23 15:25:32,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:32,238 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2022-11-23 15:25:32,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-23 15:25:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2022-11-23 15:25:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 15:25:32,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:32,241 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:32,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 15:25:32,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-23 15:25:32,450 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:25:32,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:32,451 INFO L85 PathProgramCache]: Analyzing trace with hash -879048764, now seen corresponding path program 1 times [2022-11-23 15:25:32,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:32,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782409080] [2022-11-23 15:25:32,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:32,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:32,468 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:25:32,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953495984] [2022-11-23 15:25:32,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:32,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:32,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:32,470 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:25:32,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:25:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:32,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-23 15:25:32,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:25:32,942 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 15:25:32,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:25:32,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:32,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782409080] [2022-11-23 15:25:32,943 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:25:32,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953495984] [2022-11-23 15:25:32,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953495984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:32,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:25:32,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:25:32,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563148031] [2022-11-23 15:25:32,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:32,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:25:32,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:32,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:25:32,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:25:32,947 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand has 10 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:25:33,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:33,157 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2022-11-23 15:25:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 15:25:33,158 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 25 [2022-11-23 15:25:33,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:33,160 INFO L225 Difference]: With dead ends: 43 [2022-11-23 15:25:33,160 INFO L226 Difference]: Without dead ends: 41 [2022-11-23 15:25:33,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:25:33,164 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 13 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:33,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 99 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:25:33,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-23 15:25:33,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2022-11-23 15:25:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:25:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2022-11-23 15:25:33,198 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 25 [2022-11-23 15:25:33,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:33,198 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2022-11-23 15:25:33,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:25:33,199 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2022-11-23 15:25:33,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 15:25:33,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:33,201 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:33,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:25:33,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:33,407 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:25:33,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:33,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1554903952, now seen corresponding path program 1 times [2022-11-23 15:25:33,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:33,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302829652] [2022-11-23 15:25:33,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:33,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:33,424 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:25:33,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [787324699] [2022-11-23 15:25:33,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:33,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:33,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:33,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:25:33,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:25:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:33,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-23 15:25:33,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:25:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 15:25:33,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:25:34,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:34,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302829652] [2022-11-23 15:25:34,080 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:25:34,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787324699] [2022-11-23 15:25:34,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787324699] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:25:34,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [958963030] [2022-11-23 15:25:34,102 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-23 15:25:34,103 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:25:34,107 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:25:34,112 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:25:34,113 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:25:34,845 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 38 for LOIs [2022-11-23 15:25:34,857 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 58 for LOIs [2022-11-23 15:25:34,880 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:25:36,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [958963030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:36,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:25:36,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 23 [2022-11-23 15:25:36,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518805767] [2022-11-23 15:25:36,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:36,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:25:36,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:36,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:25:36,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=528, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:25:36,312 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand has 13 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 5 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-23 15:25:36,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:36,536 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2022-11-23 15:25:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:25:36,537 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 5 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 30 [2022-11-23 15:25:36,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:36,539 INFO L225 Difference]: With dead ends: 45 [2022-11-23 15:25:36,539 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:25:36,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 38 SyntacticMatches, 7 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=122, Invalid=528, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:25:36,547 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 18 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:36,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 21 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:25:36,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:25:36,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:25:36,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:25:36,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:25:36,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-11-23 15:25:36,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:36,557 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:25:36,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 5 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-23 15:25:36,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:25:36,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:25:36,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:25:36,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:25:36,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:36,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:25:38,039 INFO L895 garLoopResultBuilder]: At program point L35-2(lines 35 52) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 1 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|) (= (select |#valid| 1) 1) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= |ULTIMATE.start_main_~s~0#1| 1) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,039 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:25:38,040 INFO L895 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|) (= (select |#valid| 1) 1) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,040 INFO L895 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 1 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_main_~y~0#1| 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= |ULTIMATE.start_main_~s~0#1| 1) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,040 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 1 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|) (= (select |#valid| 1) 1) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= |ULTIMATE.start_main_~s~0#1| 1) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,040 INFO L899 garLoopResultBuilder]: For program point L38(lines 35 52) no Hoare annotation was computed. [2022-11-23 15:25:38,040 INFO L895 garLoopResultBuilder]: At program point L36(line 36) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 1 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|) (= (select |#valid| 1) 1) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= |ULTIMATE.start_main_~s~0#1| 1) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,041 INFO L895 garLoopResultBuilder]: At program point L36-1(line 36) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 1 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|) (= (select |#valid| 1) 1) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= |ULTIMATE.start_main_~s~0#1| 1) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,041 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:25:38,041 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2022-11-23 15:25:38,041 INFO L902 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: true [2022-11-23 15:25:38,041 INFO L895 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 1)) 1 0) 0)) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,042 INFO L895 garLoopResultBuilder]: At program point L24-1(line 24) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 1)) 1 0) 0)) (= (select |#valid| 1) 1) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,042 INFO L895 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 1 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|) (= (select |#valid| 1) 1) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= |ULTIMATE.start_main_~s~0#1| 1) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,042 INFO L895 garLoopResultBuilder]: At program point L22(line 22) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,042 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2022-11-23 15:25:38,042 INFO L895 garLoopResultBuilder]: At program point L43-2(lines 35 52) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 1 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|) (= (select |#valid| 1) 1) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= |ULTIMATE.start_main_~s~0#1| 1) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,043 INFO L895 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 1 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|) (= (select |#valid| 1) 1) (not (= (ite (and (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 1)) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (= |ULTIMATE.start_main_~s~0#1| 1) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:25:38,043 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 7 9) the Hoare annotation is: true [2022-11-23 15:25:38,043 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2022-11-23 15:25:38,043 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 10 16) the Hoare annotation is: true [2022-11-23 15:25:38,043 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 13) no Hoare annotation was computed. [2022-11-23 15:25:38,044 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-11-23 15:25:38,044 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 10 16) no Hoare annotation was computed. [2022-11-23 15:25:38,044 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 10 16) no Hoare annotation was computed. [2022-11-23 15:25:38,044 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2022-11-23 15:25:38,048 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-23 15:25:38,050 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:25:38,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:25:38 BoogieIcfgContainer [2022-11-23 15:25:38,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:25:38,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:25:38,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:25:38,077 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:25:38,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:30" (3/4) ... [2022-11-23 15:25:38,081 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:25:38,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-23 15:25:38,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-23 15:25:38,095 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-23 15:25:38,095 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-23 15:25:38,095 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 15:25:38,096 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:25:38,147 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:25:38,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:25:38,148 INFO L158 Benchmark]: Toolchain (without parser) took 8061.04ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 153.2MB in the beginning and 124.3MB in the end (delta: 28.9MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2022-11-23 15:25:38,148 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:25:38,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.23ms. Allocated memory is still 186.6MB. Free memory was 153.2MB in the beginning and 142.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 15:25:38,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.79ms. Allocated memory is still 186.6MB. Free memory was 142.6MB in the beginning and 140.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:25:38,150 INFO L158 Benchmark]: Boogie Preprocessor took 35.25ms. Allocated memory is still 186.6MB. Free memory was 140.7MB in the beginning and 139.9MB in the end (delta: 742.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:25:38,150 INFO L158 Benchmark]: RCFGBuilder took 391.51ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 126.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 15:25:38,151 INFO L158 Benchmark]: TraceAbstraction took 7175.28ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 126.1MB in the beginning and 127.5MB in the end (delta: -1.4MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2022-11-23 15:25:38,151 INFO L158 Benchmark]: Witness Printer took 72.96ms. Allocated memory is still 224.4MB. Free memory was 127.5MB in the beginning and 124.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:25:38,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.23ms. Allocated memory is still 186.6MB. Free memory was 153.2MB in the beginning and 142.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.79ms. Allocated memory is still 186.6MB. Free memory was 142.6MB in the beginning and 140.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.25ms. Allocated memory is still 186.6MB. Free memory was 140.7MB in the beginning and 139.9MB in the end (delta: 742.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.51ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 126.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7175.28ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 126.1MB in the beginning and 127.5MB in the end (delta: -1.4MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * Witness Printer took 72.96ms. Allocated memory is still 224.4MB. Free memory was 127.5MB in the beginning and 124.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 274 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 78 mSDtfsCounter, 274 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 85 SyntacticMatches, 7 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=2, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 38 PreInvPairs, 48 NumberOfFragments, 1095 HoareAnnotationTreeSize, 38 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 728 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 91 ConstructedInterpolants, 2 QuantifiedInterpolants, 423 SizeOfPredicates, 17 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 53/58 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: OVERALL_TIME: 0.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 22, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME: 0.0s, TOOLS_POST_CALL_APPLICATIONS: 19, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 44, TOOLS_QUANTIFIERELIM_TIME: 0.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 56, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 23, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 22, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 12, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 224, DAG_COMPRESSION_RETAINED_NODES: 60, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((((((((((((((((((((unknown-#length-unknown[3] == 12 && p == 1) && 1 <= y) && b == y) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && r == 0) && q == 0) && x <= 1) && 1 <= x) && \valid[1] == 1) && !((if 0 <= y && y <= 1 then 1 else 0) == 0)) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && a == x) && unknown-#memory_int-unknown[1][0] == 48) && 10 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][1] == 0) && s == 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:25:38,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089b80b9-c2fe-45bb-bd95-341b55297c02/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 Result: TRUE