./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.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_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/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 48c39be663ea9587abdd0baa0fb24ac54d02b705 ............................................................................................................................................ 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_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/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 48c39be663ea9587abdd0baa0fb24ac54d02b705 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:05:11,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:11,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:11,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:11,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:11,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:11,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:11,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:11,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:11,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:11,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:11,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:11,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:11,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:11,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:11,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:11,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:11,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:11,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:11,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:11,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:11,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:11,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:11,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:11,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:11,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:11,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:11,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:11,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:11,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:11,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:11,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:11,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:11,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:11,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:11,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:11,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:11,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:11,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:11,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:11,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:11,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:05:11,425 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:11,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:11,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:11,427 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:11,428 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:11,428 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:11,428 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:05:11,428 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:11,429 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:11,429 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:05:11,430 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:05:11,430 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:11,431 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:05:11,431 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:05:11,431 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:05:11,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:11,432 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:11,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:05:11,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:11,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:11,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:11,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:11,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:11,434 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:11,434 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:11,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:11,435 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:11,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:11,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:11,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:11,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:11,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:11,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:11,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:11,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:11,439 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:05:11,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:05:11,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:11,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:11,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:11,440 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_26a19bae-0a93-400f-a311-1c87e9befbb3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48c39be663ea9587abdd0baa0fb24ac54d02b705 [2020-11-22 13:05:11,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:11,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:11,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:11,805 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:11,806 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:11,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2020-11-22 13:05:11,895 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/data/e9043e856/cdc4e51ca1024e74935798615e01e4ab/FLAGaaf2f21fc [2020-11-22 13:05:12,399 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:12,400 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2020-11-22 13:05:12,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/data/e9043e856/cdc4e51ca1024e74935798615e01e4ab/FLAGaaf2f21fc [2020-11-22 13:05:12,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/data/e9043e856/cdc4e51ca1024e74935798615e01e4ab [2020-11-22 13:05:12,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:12,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:12,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:12,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:12,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:12,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:12" (1/1) ... [2020-11-22 13:05:12,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38924a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:12, skipping insertion in model container [2020-11-22 13:05:12,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:12" (1/1) ... [2020-11-22 13:05:12,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:12,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:13,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:13,254 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 13:05:13,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ec6967d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:13, skipping insertion in model container [2020-11-22 13:05:13,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:13,257 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:05:13,261 INFO L168 Benchmark]: Toolchain (without parser) took 520.81 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 56.5 MB in the beginning and 98.3 MB in the end (delta: -41.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:13,263 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 45.2 MB in the beginning and 45.1 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:13,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.81 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 56.3 MB in the beginning and 98.3 MB in the end (delta: -42.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:13,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 45.2 MB in the beginning and 45.1 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 517.81 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 56.3 MB in the beginning and 98.3 MB in the end (delta: -42.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 505]: 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 13:05:15,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:15,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:15,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:15,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:15,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:15,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:15,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:15,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:15,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:15,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:15,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:15,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:15,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:15,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:15,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:15,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:15,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:15,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:15,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:15,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:15,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:15,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:15,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:15,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:15,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:15,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:15,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:15,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:15,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:15,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:15,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:15,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:15,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:15,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:15,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:15,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:15,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:15,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:15,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:15,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:15,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:05:16,045 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:16,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:16,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:16,048 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:16,048 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:16,048 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:16,049 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:16,049 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:16,049 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:16,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:16,052 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:16,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:16,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:16,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:16,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:16,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:16,053 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:05:16,054 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:05:16,054 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:05:16,054 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:16,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:16,055 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:16,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:16,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:16,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:05:16,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:16,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:16,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:16,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:16,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:16,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:16,057 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:05:16,057 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:05:16,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:16,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:16,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:16,059 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_26a19bae-0a93-400f-a311-1c87e9befbb3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48c39be663ea9587abdd0baa0fb24ac54d02b705 [2020-11-22 13:05:16,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:16,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:16,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:16,570 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:16,572 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:16,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2020-11-22 13:05:16,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/data/0a684ee5e/c9ad4af65e434fb29ee9704df76bda6b/FLAG4309a8a20 [2020-11-22 13:05:17,331 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:17,333 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2020-11-22 13:05:17,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/data/0a684ee5e/c9ad4af65e434fb29ee9704df76bda6b/FLAG4309a8a20 [2020-11-22 13:05:17,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/data/0a684ee5e/c9ad4af65e434fb29ee9704df76bda6b [2020-11-22 13:05:17,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:17,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:17,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:17,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:17,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:17,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:17" (1/1) ... [2020-11-22 13:05:17,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a67f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:17, skipping insertion in model container [2020-11-22 13:05:17,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:17" (1/1) ... [2020-11-22 13:05:17,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:17,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:18,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:18,074 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:05:18,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:18,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:18,217 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:18,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:18,331 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:18,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18 WrapperNode [2020-11-22 13:05:18,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:18,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:18,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:18,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:18,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18" (1/1) ... [2020-11-22 13:05:18,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18" (1/1) ... [2020-11-22 13:05:18,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:18,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:18,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:18,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:18,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18" (1/1) ... [2020-11-22 13:05:18,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18" (1/1) ... [2020-11-22 13:05:18,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18" (1/1) ... [2020-11-22 13:05:18,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18" (1/1) ... [2020-11-22 13:05:18,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18" (1/1) ... [2020-11-22 13:05:18,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18" (1/1) ... [2020-11-22 13:05:18,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18" (1/1) ... [2020-11-22 13:05:18,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:18,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:18,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:18,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:18,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/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 13:05:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:05:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:20,933 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:20,935 INFO L298 CfgBuilder]: Removed 76 assume(true) statements. [2020-11-22 13:05:20,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:20 BoogieIcfgContainer [2020-11-22 13:05:20,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:20,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:20,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:20,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:20,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:17" (1/3) ... [2020-11-22 13:05:20,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3882adcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:20, skipping insertion in model container [2020-11-22 13:05:20,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:18" (2/3) ... [2020-11-22 13:05:20,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3882adcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:20, skipping insertion in model container [2020-11-22 13:05:20,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:20" (3/3) ... [2020-11-22 13:05:20,949 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2020-11-22 13:05:20,960 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:20,965 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:05:20,977 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:05:21,014 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:21,015 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:05:21,015 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:21,015 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:21,015 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:21,016 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:21,016 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:21,016 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:21,029 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-11-22 13:05:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:05:21,035 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:21,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:21,036 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:21,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:21,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1328737855, now seen corresponding path program 1 times [2020-11-22 13:05:21,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:21,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878683642] [2020-11-22 13:05:21,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/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 13:05:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:21,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:05:21,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:21,300 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 13:05:21,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:21,306 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 13:05:21,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878683642] [2020-11-22 13:05:21,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:21,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:05:21,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153286469] [2020-11-22 13:05:21,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:05:21,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:21,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:05:21,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:21,327 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-11-22 13:05:21,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:21,350 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-11-22 13:05:21,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:05:21,351 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:05:21,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:21,360 INFO L225 Difference]: With dead ends: 115 [2020-11-22 13:05:21,360 INFO L226 Difference]: Without dead ends: 55 [2020-11-22 13:05:21,363 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 13:05:21,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-22 13:05:21,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-22 13:05:21,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-22 13:05:21,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-11-22 13:05:21,398 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-11-22 13:05:21,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:21,399 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-11-22 13:05:21,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:05:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-11-22 13:05:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:05:21,400 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:21,401 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 13:05:21,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:05:21,618 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:21,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:21,619 INFO L82 PathProgramCache]: Analyzing trace with hash 281980958, now seen corresponding path program 1 times [2020-11-22 13:05:21,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:21,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [851118856] [2020-11-22 13:05:21,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/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 13:05:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:21,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:21,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:21,869 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 13:05:21,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:21,890 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 13:05:21,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [851118856] [2020-11-22 13:05:21,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:21,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:05:21,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287048411] [2020-11-22 13:05:21,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:21,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:21,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:21,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:21,894 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 4 states. [2020-11-22 13:05:21,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:21,906 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-11-22 13:05:21,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:21,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:05:21,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:21,908 INFO L225 Difference]: With dead ends: 55 [2020-11-22 13:05:21,908 INFO L226 Difference]: Without dead ends: 29 [2020-11-22 13:05:21,909 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 13:05:21,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-22 13:05:21,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-22 13:05:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-22 13:05:21,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-22 13:05:21,914 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-11-22 13:05:21,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:21,914 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-22 13:05:21,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-22 13:05:21,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:05:21,915 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:21,916 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 13:05:22,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:05:22,133 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:22,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:22,134 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2020-11-22 13:05:22,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:22,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056234663] [2020-11-22 13:05:22,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/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 13:05:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:22,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:22,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:22,326 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 13:05:22,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:22,340 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 13:05:22,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056234663] [2020-11-22 13:05:22,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:22,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:05:22,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942357691] [2020-11-22 13:05:22,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:05:22,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:22,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:05:22,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:05:22,343 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 4 states. [2020-11-22 13:05:22,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:22,378 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2020-11-22 13:05:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:05:22,378 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 13:05:22,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:22,381 INFO L225 Difference]: With dead ends: 98 [2020-11-22 13:05:22,381 INFO L226 Difference]: Without dead ends: 75 [2020-11-22 13:05:22,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 13:05:22,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-22 13:05:22,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2020-11-22 13:05:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-22 13:05:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-11-22 13:05:22,392 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-11-22 13:05:22,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:22,393 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-11-22 13:05:22,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:05:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-11-22 13:05:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:05:22,394 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:22,394 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 13:05:22,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:05:22,609 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:22,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:22,610 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2020-11-22 13:05:22,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:22,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160740715] [2020-11-22 13:05:22,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/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 13:05:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:22,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:22,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:22,857 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 13:05:22,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:22,916 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 13:05:22,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160740715] [2020-11-22 13:05:22,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:22,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:05:22,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403285466] [2020-11-22 13:05:22,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:05:22,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:22,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:05:22,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:05:22,919 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 8 states. [2020-11-22 13:05:23,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:23,220 INFO L93 Difference]: Finished difference Result 307 states and 476 transitions. [2020-11-22 13:05:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 13:05:23,223 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-22 13:05:23,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:23,227 INFO L225 Difference]: With dead ends: 307 [2020-11-22 13:05:23,230 INFO L226 Difference]: Without dead ends: 265 [2020-11-22 13:05:23,231 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 13:05:23,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-11-22 13:05:23,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 118. [2020-11-22 13:05:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-11-22 13:05:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2020-11-22 13:05:23,284 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2020-11-22 13:05:23,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:23,284 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2020-11-22 13:05:23,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:05:23,285 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2020-11-22 13:05:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:05:23,287 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:23,287 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 13:05:23,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:05:23,500 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:23,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:23,500 INFO L82 PathProgramCache]: Analyzing trace with hash -473529446, now seen corresponding path program 1 times [2020-11-22 13:05:23,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:23,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620893757] [2020-11-22 13:05:23,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/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 13:05:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:23,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:05:23,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:23,692 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 13:05:23,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:23,696 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 13:05:23,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620893757] [2020-11-22 13:05:23,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:23,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:05:23,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168754798] [2020-11-22 13:05:23,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:05:23,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:23,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:05:23,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:05:23,702 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand 3 states. [2020-11-22 13:05:23,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:23,732 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2020-11-22 13:05:23,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:05:23,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-22 13:05:23,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:23,734 INFO L225 Difference]: With dead ends: 224 [2020-11-22 13:05:23,734 INFO L226 Difference]: Without dead ends: 112 [2020-11-22 13:05:23,735 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 13:05:23,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-11-22 13:05:23,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-11-22 13:05:23,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-11-22 13:05:23,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2020-11-22 13:05:23,760 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2020-11-22 13:05:23,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:23,760 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2020-11-22 13:05:23,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:05:23,761 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2020-11-22 13:05:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-22 13:05:23,766 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:23,767 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 13:05:23,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:05:23,984 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:05:23,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:23,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1276019864, now seen corresponding path program 1 times [2020-11-22 13:05:23,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:05:23,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387239718] [2020-11-22 13:05:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-22 13:05:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:24,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:05:24,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:24,214 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 13:05:24,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:24,273 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 13:05:24,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387239718] [2020-11-22 13:05:24,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1882194790] [2020-11-22 13:05:24,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:05:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:24,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:05:24,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:05:24,519 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 13:05:24,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:05:24,526 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 13:05:24,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 13:05:24,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-22 13:05:24,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740887101] [2020-11-22 13:05:24,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:05:24,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:05:24,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:05:24,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:05:24,532 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand 5 states. [2020-11-22 13:05:24,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:24,638 INFO L93 Difference]: Finished difference Result 228 states and 314 transitions. [2020-11-22 13:05:24,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:05:24,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-22 13:05:24,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:24,639 INFO L225 Difference]: With dead ends: 228 [2020-11-22 13:05:24,639 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:05:24,642 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 13:05:24,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:05:24,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:05:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:05:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:05:24,643 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-22 13:05:24,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:24,643 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:05:24,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:05:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:05:24,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:05:25,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:05:25,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:05:25,200 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 6 [2020-11-22 13:05:25,515 INFO L270 CegarLoopResult]: At program point L68-3(lines 67 86) the Hoare annotation is: false [2020-11-22 13:05:25,515 INFO L274 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2020-11-22 13:05:25,516 INFO L274 CegarLoopResult]: For program point L250(lines 250 256) no Hoare annotation was computed. [2020-11-22 13:05:25,516 INFO L270 CegarLoopResult]: At program point L250-1(lines 68 74) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:25,516 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:25,516 INFO L274 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-11-22 13:05:25,516 INFO L270 CegarLoopResult]: At program point L234-1(lines 234 240) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:25,516 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:05:25,516 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:05:25,517 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:05:25,517 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:05:25,517 INFO L274 CegarLoopResult]: For program point L284(lines 284 290) no Hoare annotation was computed. [2020-11-22 13:05:25,517 INFO L274 CegarLoopResult]: For program point L284-2(lines 284 290) no Hoare annotation was computed. [2020-11-22 13:05:25,517 INFO L274 CegarLoopResult]: For program point L284-4(lines 284 290) no Hoare annotation was computed. [2020-11-22 13:05:25,517 INFO L270 CegarLoopResult]: At program point L865(lines 1 876) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:25,517 INFO L274 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2020-11-22 13:05:25,517 INFO L274 CegarLoopResult]: For program point L304-3(lines 304 308) no Hoare annotation was computed. [2020-11-22 13:05:25,518 INFO L274 CegarLoopResult]: For program point L304-6(lines 304 308) no Hoare annotation was computed. [2020-11-22 13:05:25,518 INFO L274 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2020-11-22 13:05:25,518 INFO L270 CegarLoopResult]: At program point L189-1(lines 189 195) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:25,518 INFO L270 CegarLoopResult]: At program point L437(lines 433 439) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:25,518 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:05:25,518 INFO L270 CegarLoopResult]: At program point L75(lines 75 81) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:25,518 INFO L270 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: false [2020-11-22 13:05:25,518 INFO L270 CegarLoopResult]: At program point L75-2(lines 75 81) the Hoare annotation is: false [2020-11-22 13:05:25,519 INFO L270 CegarLoopResult]: At program point L389-2(lines 389 403) the Hoare annotation is: false [2020-11-22 13:05:25,519 INFO L274 CegarLoopResult]: For program point L224(lines 224 230) no Hoare annotation was computed. [2020-11-22 13:05:25,519 INFO L270 CegarLoopResult]: At program point L224-1(lines 224 230) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:25,519 INFO L277 CegarLoopResult]: At program point L472(lines 453 475) the Hoare annotation is: true [2020-11-22 13:05:25,519 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:25,519 INFO L270 CegarLoopResult]: At program point L373(lines 368 376) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:25,519 INFO L270 CegarLoopResult]: At program point L373-1(lines 368 376) the Hoare annotation is: false [2020-11-22 13:05:25,520 INFO L270 CegarLoopResult]: At program point L373-2(lines 368 376) the Hoare annotation is: false [2020-11-22 13:05:25,520 INFO L274 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-11-22 13:05:25,520 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:05:25,520 INFO L274 CegarLoopResult]: For program point L244(lines 244 257) no Hoare annotation was computed. [2020-11-22 13:05:25,520 INFO L270 CegarLoopResult]: At program point L145(lines 140 148) 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 13:05:25,520 INFO L270 CegarLoopResult]: At program point L145-1(lines 140 148) the Hoare annotation is: false [2020-11-22 13:05:25,520 INFO L270 CegarLoopResult]: At program point L145-2(lines 140 148) the Hoare annotation is: false [2020-11-22 13:05:25,520 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-22 13:05:25,521 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-22 13:05:25,521 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-22 13:05:25,521 INFO L274 CegarLoopResult]: For program point L393(lines 393 397) no Hoare annotation was computed. [2020-11-22 13:05:25,521 INFO L274 CegarLoopResult]: For program point L393-1(lines 68 74) no Hoare annotation was computed. [2020-11-22 13:05:25,521 INFO L270 CegarLoopResult]: At program point L873(lines 868 876) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:05:25,521 INFO L274 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-11-22 13:05:25,521 INFO L270 CegarLoopResult]: At program point L262(lines 213 263) the Hoare annotation is: false [2020-11-22 13:05:25,521 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:05:25,521 INFO L274 CegarLoopResult]: For program point L280(lines 280 293) no Hoare annotation was computed. [2020-11-22 13:05:25,522 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:05:25,522 INFO L270 CegarLoopResult]: At program point L280-1(lines 1 876) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:25,522 INFO L274 CegarLoopResult]: For program point L280-2(lines 280 293) no Hoare annotation was computed. [2020-11-22 13:05:25,522 INFO L270 CegarLoopResult]: At program point L280-3(lines 1 876) the Hoare annotation is: false [2020-11-22 13:05:25,522 INFO L274 CegarLoopResult]: For program point L280-4(lines 280 293) no Hoare annotation was computed. [2020-11-22 13:05:25,522 INFO L270 CegarLoopResult]: At program point L280-5(lines 1 876) the Hoare annotation is: false [2020-11-22 13:05:25,522 INFO L274 CegarLoopResult]: For program point L215(lines 214 261) no Hoare annotation was computed. [2020-11-22 13:05:25,522 INFO L274 CegarLoopResult]: For program point L463(lines 463 470) no Hoare annotation was computed. [2020-11-22 13:05:25,523 INFO L277 CegarLoopResult]: At program point L463-1(lines 463 470) the Hoare annotation is: true [2020-11-22 13:05:25,523 INFO L274 CegarLoopResult]: For program point L216(lines 216 220) no Hoare annotation was computed. [2020-11-22 13:05:25,523 INFO L270 CegarLoopResult]: At program point L68(lines 67 86) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:05:25,523 INFO L274 CegarLoopResult]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2020-11-22 13:05:25,523 INFO L270 CegarLoopResult]: At program point L68-2(lines 67 86) the Hoare annotation is: false [2020-11-22 13:05:25,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:25 BoogieIcfgContainer [2020-11-22 13:05:25,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:25,551 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:25,551 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:25,551 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:25,552 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:20" (3/4) ... [2020-11-22 13:05:25,554 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:05:25,571 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:05:25,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:05:25,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:05:25,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:05:25,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:05:25,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:25,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:25,606 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:05:25,650 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_26a19bae-0a93-400f-a311-1c87e9befbb3/bin/utaipan/witness.graphml [2020-11-22 13:05:25,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:25,651 INFO L168 Benchmark]: Toolchain (without parser) took 8079.36 ms. Allocated memory was 48.2 MB in the beginning and 100.7 MB in the end (delta: 52.4 MB). Free memory was 23.7 MB in the beginning and 34.9 MB in the end (delta: -11.2 MB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:25,652 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 30.7 MB in the end (delta: 31.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:25,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.23 ms. Allocated memory was 48.2 MB in the beginning and 69.2 MB in the end (delta: 21.0 MB). Free memory was 23.5 MB in the beginning and 39.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:25,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.09 ms. Allocated memory is still 69.2 MB. Free memory was 39.0 MB in the beginning and 36.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:25,653 INFO L168 Benchmark]: Boogie Preprocessor took 35.17 ms. Allocated memory is still 69.2 MB. Free memory was 36.4 MB in the beginning and 34.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:25,653 INFO L168 Benchmark]: RCFGBuilder took 2491.55 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.3 MB in the beginning and 60.2 MB in the end (delta: -25.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:25,654 INFO L168 Benchmark]: TraceAbstraction took 4609.44 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 59.7 MB in the beginning and 40.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:25,654 INFO L168 Benchmark]: Witness Printer took 99.22 ms. Allocated memory is still 100.7 MB. Free memory was 40.1 MB in the beginning and 34.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:25,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 30.7 MB in the end (delta: 31.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 757.23 ms. Allocated memory was 48.2 MB in the beginning and 69.2 MB in the end (delta: 21.0 MB). Free memory was 23.5 MB in the beginning and 39.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.09 ms. Allocated memory is still 69.2 MB. Free memory was 39.0 MB in the beginning and 36.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.17 ms. Allocated memory is still 69.2 MB. Free memory was 36.4 MB in the beginning and 34.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2491.55 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.3 MB in the beginning and 60.2 MB in the end (delta: -25.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4609.44 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 59.7 MB in the beginning and 40.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. * Witness Printer took 99.22 ms. Allocated memory is still 100.7 MB. Free memory was 40.1 MB in the beginning and 34.9 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: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 298 SDtfs, 450 SDslu, 505 SDs, 0 SdLazy, 102 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=4, 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, 6 MinimizatonAttempts, 174 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 129 NumberOfFragments, 122 HoareAnnotationTreeSize, 26 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 22679 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1399 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 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...