./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan --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 92b6e9c68c74814d170d81479fd82dff664bcc07 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan --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 92b6e9c68c74814d170d81479fd82dff664bcc07 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:06:09,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:09,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:09,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:09,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:09,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:09,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:09,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:09,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:09,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:09,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:09,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:09,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:09,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:09,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:09,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:09,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:09,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:09,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:09,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:09,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:09,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:09,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:09,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:09,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:09,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:09,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:09,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:09,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:09,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:09,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:09,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:09,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:09,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:09,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:09,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:09,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:09,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:09,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:09,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:09,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:09,360 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:06:09,385 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:09,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:09,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:09,386 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:09,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:09,387 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:09,387 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:06:09,387 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:09,387 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:09,388 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:06:09,388 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:06:09,388 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:09,388 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:06:09,388 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:06:09,389 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:06:09,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:09,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:06:09,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:06:09,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:06:09,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:09,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:09,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:09,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:09,391 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:09,391 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:06:09,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:09,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:09,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:09,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:09,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:09,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:09,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:09,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:09,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:09,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:09,393 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:06:09,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:06:09,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:09,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:09,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:09,394 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92b6e9c68c74814d170d81479fd82dff664bcc07 [2020-11-22 13:06:09,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:09,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:09,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:09,637 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:09,645 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:09,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2020-11-22 13:06:09,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/data/814b79339/033dc172a5504ef2939c4ffb1a198d50/FLAG41db04bf6 [2020-11-22 13:06:10,220 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:10,221 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2020-11-22 13:06:10,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/data/814b79339/033dc172a5504ef2939c4ffb1a198d50/FLAG41db04bf6 [2020-11-22 13:06:10,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/data/814b79339/033dc172a5504ef2939c4ffb1a198d50 [2020-11-22 13:06:10,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:10,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:10,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:10,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:10,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:10,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:10" (1/1) ... [2020-11-22 13:06:10,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772cff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:10, skipping insertion in model container [2020-11-22 13:06:10,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:10" (1/1) ... [2020-11-22 13:06:10,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:10,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:10,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:10,945 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 13:06:10,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@325a3f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:10, skipping insertion in model container [2020-11-22 13:06:10,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:10,947 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:06:10,949 INFO L168 Benchmark]: Toolchain (without parser) took 424.67 ms. Allocated memory is still 132.1 MB. Free memory was 103.8 MB in the beginning and 106.1 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:10,949 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory is still 49.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:10,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.31 ms. Allocated memory is still 132.1 MB. Free memory was 103.4 MB in the beginning and 106.1 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:10,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory is still 49.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 422.31 ms. Allocated memory is still 132.1 MB. Free memory was 103.4 MB in the beginning and 106.1 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:06:13,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:06:13,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:06:13,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:06:13,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:06:13,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:06:13,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:06:13,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:06:13,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:06:13,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:06:13,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:06:13,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:06:13,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:06:13,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:06:13,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:06:13,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:06:13,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:06:13,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:06:13,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:06:13,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:06:13,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:06:13,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:06:13,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:06:13,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:06:13,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:06:13,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:06:13,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:06:13,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:06:13,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:06:13,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:06:13,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:06:13,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:06:13,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:06:13,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:06:13,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:06:13,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:06:13,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:06:13,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:06:13,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:06:13,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:06:13,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:06:13,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:06:13,205 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:06:13,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:06:13,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:06:13,207 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:06:13,207 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:06:13,207 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:06:13,208 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:06:13,208 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:06:13,208 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:06:13,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:06:13,210 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:06:13,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:06:13,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:06:13,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:06:13,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:06:13,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:06:13,212 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:06:13,212 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:06:13,212 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:06:13,212 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:06:13,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:06:13,213 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:06:13,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:06:13,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:06:13,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:06:13,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:06:13,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:06:13,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:13,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:06:13,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:06:13,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:06:13,215 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:06:13,215 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:06:13,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:06:13,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:06:13,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:06:13,216 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92b6e9c68c74814d170d81479fd82dff664bcc07 [2020-11-22 13:06:13,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:06:13,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:06:13,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:06:13,602 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:06:13,605 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:06:13,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2020-11-22 13:06:13,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/data/4462d07de/831a148eed1e4ef3824a1dfde65c36da/FLAGd640320fb [2020-11-22 13:06:14,266 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:06:14,267 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2020-11-22 13:06:14,276 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/data/4462d07de/831a148eed1e4ef3824a1dfde65c36da/FLAGd640320fb [2020-11-22 13:06:14,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/data/4462d07de/831a148eed1e4ef3824a1dfde65c36da [2020-11-22 13:06:14,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:06:14,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:06:14,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:14,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:06:14,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:06:14,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:14" (1/1) ... [2020-11-22 13:06:14,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db0a003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:14, skipping insertion in model container [2020-11-22 13:06:14,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:06:14" (1/1) ... [2020-11-22 13:06:14,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:06:14,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:15,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:15,041 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:06:15,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:06:15,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:15,130 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:06:15,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:06:15,235 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:06:15,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15 WrapperNode [2020-11-22 13:06:15,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:06:15,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:06:15,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:06:15,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:06:15,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:06:15,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:06:15,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:06:15,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:06:15,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... [2020-11-22 13:06:15,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:06:15,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:06:15,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:06:15,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:06:15,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:06:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:06:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:06:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:06:15,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:06:17,497 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:06:17,498 INFO L298 CfgBuilder]: Removed 72 assume(true) statements. [2020-11-22 13:06:17,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:17 BoogieIcfgContainer [2020-11-22 13:06:17,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:06:17,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:06:17,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:06:17,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:06:17,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:06:14" (1/3) ... [2020-11-22 13:06:17,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cd19ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:06:17, skipping insertion in model container [2020-11-22 13:06:17,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:06:15" (2/3) ... [2020-11-22 13:06:17,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cd19ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:06:17, skipping insertion in model container [2020-11-22 13:06:17,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:17" (3/3) ... [2020-11-22 13:06:17,515 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2020-11-22 13:06:17,525 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:06:17,529 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:06:17,539 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:06:17,574 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:06:17,575 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:06:17,575 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:06:17,575 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:06:17,575 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:06:17,575 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:06:17,576 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:06:17,576 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:06:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-11-22 13:06:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:06:17,593 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:17,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:17,594 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:17,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:17,600 INFO L82 PathProgramCache]: Analyzing trace with hash -2101252973, now seen corresponding path program 1 times [2020-11-22 13:06:17,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:17,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227488873] [2020-11-22 13:06:17,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:06:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:17,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:06:17,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:17,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:17,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:17,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227488873] [2020-11-22 13:06:17,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:17,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:06:17,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289531142] [2020-11-22 13:06:17,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:06:17,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:17,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:06:17,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:06:17,936 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-11-22 13:06:17,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:17,967 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-11-22 13:06:17,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:06:17,969 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:06:17,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:17,977 INFO L225 Difference]: With dead ends: 111 [2020-11-22 13:06:17,977 INFO L226 Difference]: Without dead ends: 53 [2020-11-22 13:06:17,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:06:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-22 13:06:18,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-22 13:06:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-22 13:06:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-11-22 13:06:18,015 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-11-22 13:06:18,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:18,015 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-11-22 13:06:18,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:06:18,015 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-11-22 13:06:18,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:06:18,016 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:18,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:18,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:06:18,233 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:18,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:18,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1462582574, now seen corresponding path program 1 times [2020-11-22 13:06:18,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:18,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300670265] [2020-11-22 13:06:18,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 13:06:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:18,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:06:18,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:18,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:18,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300670265] [2020-11-22 13:06:18,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:18,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:06:18,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511830992] [2020-11-22 13:06:18,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:06:18,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:18,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:06:18,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:18,470 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 4 states. [2020-11-22 13:06:18,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:18,491 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-11-22 13:06:18,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:06:18,492 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:06:18,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:18,493 INFO L225 Difference]: With dead ends: 53 [2020-11-22 13:06:18,493 INFO L226 Difference]: Without dead ends: 27 [2020-11-22 13:06:18,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:06:18,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-22 13:06:18,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-22 13:06:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-22 13:06:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-11-22 13:06:18,502 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-11-22 13:06:18,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:18,505 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-11-22 13:06:18,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:06:18,506 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-22 13:06:18,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:06:18,508 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:18,508 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:18,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:06:18,724 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:18,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:18,727 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-11-22 13:06:18,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:18,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1010782745] [2020-11-22 13:06:18,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 13:06:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:18,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:06:18,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:18,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:18,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:18,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1010782745] [2020-11-22 13:06:18,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:18,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:06:18,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740102355] [2020-11-22 13:06:18,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:06:18,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:18,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:06:18,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:06:18,968 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2020-11-22 13:06:19,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:19,247 INFO L93 Difference]: Finished difference Result 154 states and 241 transitions. [2020-11-22 13:06:19,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 13:06:19,249 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-22 13:06:19,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:19,252 INFO L225 Difference]: With dead ends: 154 [2020-11-22 13:06:19,252 INFO L226 Difference]: Without dead ends: 133 [2020-11-22 13:06:19,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 13:06:19,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-22 13:06:19,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 60. [2020-11-22 13:06:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-22 13:06:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2020-11-22 13:06:19,277 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2020-11-22 13:06:19,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:19,277 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2020-11-22 13:06:19,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:06:19,278 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-11-22 13:06:19,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:06:19,279 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:19,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:19,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:06:19,499 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:19,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:19,500 INFO L82 PathProgramCache]: Analyzing trace with hash 444418065, now seen corresponding path program 1 times [2020-11-22 13:06:19,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:19,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327350248] [2020-11-22 13:06:19,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:06:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:19,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:06:19,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:19,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:19,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327350248] [2020-11-22 13:06:19,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:06:19,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:06:19,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113754305] [2020-11-22 13:06:19,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:06:19,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:19,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:06:19,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:06:19,731 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2020-11-22 13:06:19,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:19,748 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2020-11-22 13:06:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:06:19,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-22 13:06:19,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:19,753 INFO L225 Difference]: With dead ends: 95 [2020-11-22 13:06:19,753 INFO L226 Difference]: Without dead ends: 57 [2020-11-22 13:06:19,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:06:19,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-22 13:06:19,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-22 13:06:19,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-22 13:06:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2020-11-22 13:06:19,765 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2020-11-22 13:06:19,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:19,765 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2020-11-22 13:06:19,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:06:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-11-22 13:06:19,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-22 13:06:19,766 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:06:19,767 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:06:19,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:06:19,985 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:06:19,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:06:19,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1406334575, now seen corresponding path program 1 times [2020-11-22 13:06:19,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:06:19,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551948906] [2020-11-22 13:06:19,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 13:06:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:20,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:06:20,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:20,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:06:20,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551948906] [2020-11-22 13:06:20,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [915293296] [2020-11-22 13:06:20,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:06:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:06:20,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:06:20,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:06:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 13:06:20,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:06:20,491 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 13:06:20,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 13:06:20,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-22 13:06:20,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020011230] [2020-11-22 13:06:20,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:06:20,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:06:20,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:06:20,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:06:20,500 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 5 states. [2020-11-22 13:06:20,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:06:20,615 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2020-11-22 13:06:20,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:06:20,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-22 13:06:20,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:06:20,616 INFO L225 Difference]: With dead ends: 111 [2020-11-22 13:06:20,616 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:06:20,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-11-22 13:06:20,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:06:20,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:06:20,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:06:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:06:20,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-22 13:06:20,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:06:20,618 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:06:20,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:06:20,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:06:20,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:06:21,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 mathsat -unsat_core_generation=3 [2020-11-22 13:06:21,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:06:21,326 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:06:21,326 INFO L274 CegarLoopResult]: For program point L845(lines 845 852) no Hoare annotation was computed. [2020-11-22 13:06:21,326 INFO L277 CegarLoopResult]: At program point L845-1(lines 845 852) the Hoare annotation is: true [2020-11-22 13:06:21,326 INFO L270 CegarLoopResult]: At program point L614(lines 614 620) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:21,326 INFO L270 CegarLoopResult]: At program point L614-1(lines 614 620) the Hoare annotation is: false [2020-11-22 13:06:21,326 INFO L270 CegarLoopResult]: At program point L614-2(lines 614 620) the Hoare annotation is: false [2020-11-22 13:06:21,327 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:06:21,327 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:06:21,327 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:06:21,327 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:06:21,327 INFO L274 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-11-22 13:06:21,327 INFO L270 CegarLoopResult]: At program point L750(lines 1 857) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:21,327 INFO L270 CegarLoopResult]: At program point L684(lines 679 687) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:21,327 INFO L270 CegarLoopResult]: At program point L684-1(lines 679 687) the Hoare annotation is: false [2020-11-22 13:06:21,328 INFO L270 CegarLoopResult]: At program point L684-2(lines 679 687) the Hoare annotation is: false [2020-11-22 13:06:21,328 INFO L274 CegarLoopResult]: For program point L552(lines 552 558) no Hoare annotation was computed. [2020-11-22 13:06:21,328 INFO L270 CegarLoopResult]: At program point L552-1(lines 552 558) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:21,328 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:06:21,328 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:06:21,328 INFO L270 CegarLoopResult]: At program point L588(lines 541 589) the Hoare annotation is: false [2020-11-22 13:06:21,328 INFO L274 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2020-11-22 13:06:21,328 INFO L274 CegarLoopResult]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2020-11-22 13:06:21,329 INFO L274 CegarLoopResult]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2020-11-22 13:06:21,329 INFO L274 CegarLoopResult]: For program point L572(lines 572 583) no Hoare annotation was computed. [2020-11-22 13:06:21,329 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:06:21,329 INFO L277 CegarLoopResult]: At program point L854(lines 835 857) the Hoare annotation is: true [2020-11-22 13:06:21,329 INFO L270 CegarLoopResult]: At program point L607(lines 606 625) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:21,329 INFO L274 CegarLoopResult]: For program point L607-1(lines 607 613) no Hoare annotation was computed. [2020-11-22 13:06:21,329 INFO L270 CegarLoopResult]: At program point L607-2(lines 606 625) the Hoare annotation is: false [2020-11-22 13:06:21,329 INFO L270 CegarLoopResult]: At program point L607-3(lines 606 625) the Hoare annotation is: false [2020-11-22 13:06:21,330 INFO L270 CegarLoopResult]: At program point L822(lines 818 824) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:21,330 INFO L270 CegarLoopResult]: At program point L525(lines 520 528) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:21,330 INFO L270 CegarLoopResult]: At program point L525-1(lines 520 528) the Hoare annotation is: false [2020-11-22 13:06:21,330 INFO L270 CegarLoopResult]: At program point L525-2(lines 520 528) the Hoare annotation is: false [2020-11-22 13:06:21,330 INFO L274 CegarLoopResult]: For program point L427(lines 427 440) no Hoare annotation was computed. [2020-11-22 13:06:21,330 INFO L270 CegarLoopResult]: At program point L427-1(lines 1 857) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:21,330 INFO L274 CegarLoopResult]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2020-11-22 13:06:21,330 INFO L270 CegarLoopResult]: At program point L427-3(lines 1 857) the Hoare annotation is: false [2020-11-22 13:06:21,330 INFO L274 CegarLoopResult]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2020-11-22 13:06:21,331 INFO L270 CegarLoopResult]: At program point L427-5(lines 1 857) the Hoare annotation is: false [2020-11-22 13:06:21,331 INFO L270 CegarLoopResult]: At program point L774-2(lines 774 788) the Hoare annotation is: false [2020-11-22 13:06:21,331 INFO L274 CegarLoopResult]: For program point L543(lines 542 587) no Hoare annotation was computed. [2020-11-22 13:06:21,331 INFO L270 CegarLoopResult]: At program point L758(lines 753 761) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:21,331 INFO L274 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-11-22 13:06:21,331 INFO L274 CegarLoopResult]: For program point L544(lines 544 548) no Hoare annotation was computed. [2020-11-22 13:06:21,331 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:06:21,331 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-11-22 13:06:21,331 INFO L274 CegarLoopResult]: For program point L412-1(line 412) no Hoare annotation was computed. [2020-11-22 13:06:21,332 INFO L274 CegarLoopResult]: For program point L412-2(line 412) no Hoare annotation was computed. [2020-11-22 13:06:21,337 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:06:21,337 INFO L274 CegarLoopResult]: For program point L578(lines 578 582) no Hoare annotation was computed. [2020-11-22 13:06:21,338 INFO L274 CegarLoopResult]: For program point L578-2(lines 607 613) no Hoare annotation was computed. [2020-11-22 13:06:21,338 INFO L274 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-11-22 13:06:21,338 INFO L270 CegarLoopResult]: At program point L562-1(lines 562 568) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:06:21,338 INFO L274 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-11-22 13:06:21,338 INFO L274 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-11-22 13:06:21,338 INFO L274 CegarLoopResult]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2020-11-22 13:06:21,338 INFO L274 CegarLoopResult]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2020-11-22 13:06:21,338 INFO L274 CegarLoopResult]: For program point L778(lines 778 782) no Hoare annotation was computed. [2020-11-22 13:06:21,339 INFO L274 CegarLoopResult]: For program point L778-1(lines 607 613) no Hoare annotation was computed. [2020-11-22 13:06:21,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:06:21 BoogieIcfgContainer [2020-11-22 13:06:21,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:06:21,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:06:21,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:06:21,358 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:06:21,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:06:17" (3/4) ... [2020-11-22 13:06:21,360 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:06:21,375 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:06:21,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:06:21,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:06:21,378 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:06:21,379 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:06:21,379 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:06:21,379 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:06:21,409 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:06:21,462 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_505df732-353b-4733-82c1-6e2c769aac2a/bin/utaipan/witness.graphml [2020-11-22 13:06:21,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:06:21,464 INFO L168 Benchmark]: Toolchain (without parser) took 6859.39 ms. Allocated memory was 77.6 MB in the beginning and 117.4 MB in the end (delta: 39.8 MB). Free memory was 55.2 MB in the beginning and 33.9 MB in the end (delta: 21.4 MB). Peak memory consumption was 60.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:21,465 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory is still 35.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:06:21,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.95 ms. Allocated memory is still 77.6 MB. Free memory was 54.9 MB in the beginning and 43.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:21,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.47 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 41.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:21,466 INFO L168 Benchmark]: Boogie Preprocessor took 34.17 ms. Allocated memory is still 77.6 MB. Free memory was 41.2 MB in the beginning and 39.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:21,466 INFO L168 Benchmark]: RCFGBuilder took 2172.28 ms. Allocated memory is still 77.6 MB. Free memory was 39.1 MB in the beginning and 33.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:21,467 INFO L168 Benchmark]: TraceAbstraction took 3853.68 ms. Allocated memory was 77.6 MB in the beginning and 117.4 MB in the end (delta: 39.8 MB). Free memory was 32.7 MB in the beginning and 39.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:21,467 INFO L168 Benchmark]: Witness Printer took 105.29 ms. Allocated memory is still 117.4 MB. Free memory was 39.1 MB in the beginning and 33.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:06:21,470 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory is still 35.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 630.95 ms. Allocated memory is still 77.6 MB. Free memory was 54.9 MB in the beginning and 43.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.47 ms. Allocated memory is still 77.6 MB. Free memory was 43.9 MB in the beginning and 41.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.17 ms. Allocated memory is still 77.6 MB. Free memory was 41.2 MB in the beginning and 39.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2172.28 ms. Allocated memory is still 77.6 MB. Free memory was 39.1 MB in the beginning and 33.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3853.68 ms. Allocated memory was 77.6 MB in the beginning and 117.4 MB in the end (delta: 39.8 MB). Free memory was 32.7 MB in the beginning and 39.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. * Witness Printer took 105.29 ms. Allocated memory is still 117.4 MB. Free memory was 39.1 MB in the beginning and 33.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 244 SDtfs, 382 SDslu, 338 SDs, 0 SdLazy, 84 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 73 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 66 NumberOfFragments, 93 HoareAnnotationTreeSize, 24 FomulaSimplifications, 1446 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 19592 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1203 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 46/56 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 correct! Received shutdown request...