./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs --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 95068f81916e4ba6a27dfa371454f70f40c68a72 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs --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 95068f81916e4ba6a27dfa371454f70f40c68a72 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:11:24,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:11:24,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:11:24,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:11:24,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:11:24,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:11:24,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:11:24,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:11:24,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:11:24,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:11:24,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:11:24,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:11:24,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:11:24,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:11:24,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:11:24,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:11:24,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:11:24,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:11:24,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:11:24,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:11:24,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:11:24,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:11:24,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:11:24,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:11:24,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:11:24,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:11:24,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:11:24,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:11:24,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:11:24,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:11:24,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:11:24,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:11:24,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:11:24,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:11:24,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:11:24,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:11:24,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:11:24,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:11:24,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:11:24,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:11:24,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:11:24,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:11:24,392 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:11:24,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:11:24,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:11:24,395 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:11:24,395 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:11:24,395 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:11:24,396 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:11:24,396 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:11:24,396 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:11:24,396 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:11:24,397 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:11:24,398 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:11:24,398 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:11:24,398 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:11:24,398 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:11:24,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:11:24,399 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:11:24,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:11:24,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:11:24,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:11:24,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:11:24,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:11:24,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:11:24,401 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:11:24,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:11:24,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:11:24,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:11:24,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:11:24,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:11:24,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:11:24,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:11:24,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:11:24,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:11:24,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:11:24,406 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:11:24,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:11:24,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:11:24,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:11:24,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:11:24,407 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_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95068f81916e4ba6a27dfa371454f70f40c68a72 [2021-10-16 03:11:24,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:11:24,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:11:24,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:11:24,724 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:11:24,725 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:11:24,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-16 03:11:24,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/data/d03c1f6e4/dd6dff72de4547c9997e8dda86ad7385/FLAGc701e95a8 [2021-10-16 03:11:25,357 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:11:25,358 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-16 03:11:25,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/data/d03c1f6e4/dd6dff72de4547c9997e8dda86ad7385/FLAGc701e95a8 [2021-10-16 03:11:25,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/data/d03c1f6e4/dd6dff72de4547c9997e8dda86ad7385 [2021-10-16 03:11:25,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:11:25,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:11:25,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:11:25,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:11:25,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:11:25,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:11:25" (1/1) ... [2021-10-16 03:11:25,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c728586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:25, skipping insertion in model container [2021-10-16 03:11:25,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:11:25" (1/1) ... [2021-10-16 03:11:25,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:11:25,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:11:25,953 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-10-16 03:11:25,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:11:26,009 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) [2021-10-16 03:11:26,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5adac045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:26, skipping insertion in model container [2021-10-16 03:11:26,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:11:26,010 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:11:26,012 INFO L168 Benchmark]: Toolchain (without parser) took 331.74 ms. Allocated memory is still 113.2 MB. Free memory was 83.4 MB in the beginning and 69.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:11:26,013 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 53.8 MB in the beginning and 53.7 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:11:26,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.26 ms. Allocated memory is still 113.2 MB. Free memory was 83.3 MB in the beginning and 69.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:11:26,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 53.8 MB in the beginning and 53.7 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 329.26 ms. Allocated memory is still 113.2 MB. Free memory was 83.3 MB in the beginning and 69.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 116]: 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 0.2.1-dev-5709675 [2021-10-16 03:11:28,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:11:28,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:11:28,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:11:28,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:11:28,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:11:28,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:11:28,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:11:28,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:11:28,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:11:28,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:11:28,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:11:28,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:11:28,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:11:28,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:11:28,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:11:28,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:11:28,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:11:28,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:11:28,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:11:28,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:11:28,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:11:28,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:11:28,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:11:28,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:11:28,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:11:28,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:11:28,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:11:28,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:11:28,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:11:28,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:11:28,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:11:28,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:11:28,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:11:28,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:11:28,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:11:28,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:11:28,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:11:28,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:11:28,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:11:28,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:11:28,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:11:28,384 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:11:28,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:11:28,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:11:28,386 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:11:28,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:11:28,387 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:11:28,387 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:11:28,388 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:11:28,388 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:11:28,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:11:28,391 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:11:28,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:11:28,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:11:28,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:11:28,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:11:28,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:11:28,393 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:11:28,393 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:11:28,393 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:11:28,394 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:11:28,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:11:28,394 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:11:28,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:11:28,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:11:28,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:11:28,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:11:28,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:11:28,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:11:28,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:11:28,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:11:28,397 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:11:28,397 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:11:28,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:11:28,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:11:28,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:11:28,399 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_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95068f81916e4ba6a27dfa371454f70f40c68a72 [2021-10-16 03:11:28,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:11:28,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:11:28,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:11:28,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:11:28,906 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:11:28,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-16 03:11:28,993 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/data/707bacb07/3eaedddecab743e7b52c0cb2b0576b27/FLAG3c1c6f52a [2021-10-16 03:11:29,689 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:11:29,690 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-10-16 03:11:29,704 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/data/707bacb07/3eaedddecab743e7b52c0cb2b0576b27/FLAG3c1c6f52a [2021-10-16 03:11:29,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/data/707bacb07/3eaedddecab743e7b52c0cb2b0576b27 [2021-10-16 03:11:29,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:11:29,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:11:29,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:11:29,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:11:29,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:11:29,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:11:29" (1/1) ... [2021-10-16 03:11:29,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d738871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:29, skipping insertion in model container [2021-10-16 03:11:29,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:11:29" (1/1) ... [2021-10-16 03:11:29,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:11:30,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:11:30,507 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-10-16 03:11:30,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:11:30,593 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 03:11:30,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:11:30,649 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-10-16 03:11:30,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:11:30,710 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:11:30,763 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-10-16 03:11:30,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:11:30,839 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:11:30,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30 WrapperNode [2021-10-16 03:11:30,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:11:30,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:11:30,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:11:30,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:11:30,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30" (1/1) ... [2021-10-16 03:11:30,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30" (1/1) ... [2021-10-16 03:11:30,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:11:30,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:11:30,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:11:30,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:11:30,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30" (1/1) ... [2021-10-16 03:11:30,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30" (1/1) ... [2021-10-16 03:11:31,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30" (1/1) ... [2021-10-16 03:11:31,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30" (1/1) ... [2021-10-16 03:11:31,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30" (1/1) ... [2021-10-16 03:11:31,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30" (1/1) ... [2021-10-16 03:11:31,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30" (1/1) ... [2021-10-16 03:11:31,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:11:31,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:11:31,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:11:31,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:11:31,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30" (1/1) ... [2021-10-16 03:11:31,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:11:31,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:11:31,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:11:31,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:11:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:11:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:11:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:11:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:11:33,673 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:11:33,673 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-16 03:11:33,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:11:33 BoogieIcfgContainer [2021-10-16 03:11:33,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:11:33,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:11:33,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:11:33,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:11:33,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:11:29" (1/3) ... [2021-10-16 03:11:33,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb8007a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:11:33, skipping insertion in model container [2021-10-16 03:11:33,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:30" (2/3) ... [2021-10-16 03:11:33,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb8007a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:11:33, skipping insertion in model container [2021-10-16 03:11:33,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:11:33" (3/3) ... [2021-10-16 03:11:33,685 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2021-10-16 03:11:33,690 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:11:33,691 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 03:11:33,766 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:11:33,775 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 03:11:33,776 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 03:11:33,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5774647887323943) internal successors, (112), 74 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-16 03:11:33,820 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:11:33,821 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:11:33,822 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:11:33,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:11:33,828 INFO L82 PathProgramCache]: Analyzing trace with hash 312412164, now seen corresponding path program 1 times [2021-10-16 03:11:33,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:11:33,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808703459] [2021-10-16 03:11:33,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:11:33,843 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:11:33,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:11:33,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:11:33,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:11:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:11:34,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 03:11:34,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:11:34,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:11:34,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:11:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:11:34,276 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:11:34,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808703459] [2021-10-16 03:11:34,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808703459] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:11:34,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:11:34,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 03:11:34,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882875727] [2021-10-16 03:11:34,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:11:34,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:11:34,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:11:34,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:11:34,313 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5774647887323943) internal successors, (112), 74 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:34,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:11:34,357 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2021-10-16 03:11:34,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:11:34,359 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-16 03:11:34,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:11:34,372 INFO L225 Difference]: With dead ends: 143 [2021-10-16 03:11:34,372 INFO L226 Difference]: Without dead ends: 71 [2021-10-16 03:11:34,375 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:11:34,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-16 03:11:34,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-16 03:11:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4705882352941178) internal successors, (100), 70 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2021-10-16 03:11:34,437 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2021-10-16 03:11:34,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:11:34,437 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2021-10-16 03:11:34,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:34,438 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2021-10-16 03:11:34,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-16 03:11:34,439 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:11:34,439 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:11:34,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:11:34,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:11:34,661 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:11:34,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:11:34,662 INFO L82 PathProgramCache]: Analyzing trace with hash 93576195, now seen corresponding path program 1 times [2021-10-16 03:11:34,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:11:34,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401296880] [2021-10-16 03:11:34,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:11:34,664 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:11:34,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:11:34,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:11:34,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 03:11:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:11:34,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:11:34,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:11:34,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:11:34,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:11:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:11:35,034 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:11:35,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401296880] [2021-10-16 03:11:35,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401296880] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:11:35,035 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:11:35,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:11:35,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935389724] [2021-10-16 03:11:35,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:11:35,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:11:35,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:11:35,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:11:35,040 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:35,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:11:35,056 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2021-10-16 03:11:35,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:11:35,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-16 03:11:35,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:11:35,058 INFO L225 Difference]: With dead ends: 71 [2021-10-16 03:11:35,059 INFO L226 Difference]: Without dead ends: 35 [2021-10-16 03:11:35,060 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:11:35,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-16 03:11:35,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-16 03:11:35,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-16 03:11:35,066 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-16 03:11:35,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:11:35,067 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-16 03:11:35,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-16 03:11:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-16 03:11:35,069 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:11:35,069 INFO L512 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, 1] [2021-10-16 03:11:35,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 03:11:35,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:11:35,298 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:11:35,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:11:35,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2021-10-16 03:11:35,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:11:35,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489041093] [2021-10-16 03:11:35,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:11:35,301 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:11:35,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:11:35,302 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:11:35,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 03:11:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:11:35,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:11:35,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:11:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:11:35,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:11:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:11:35,663 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:11:35,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489041093] [2021-10-16 03:11:35,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489041093] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:11:35,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:11:35,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:11:35,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270226858] [2021-10-16 03:11:35,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:11:35,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:11:35,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:11:35,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:11:35,669 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:35,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:11:35,740 INFO L93 Difference]: Finished difference Result 115 states and 169 transitions. [2021-10-16 03:11:35,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:11:35,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-16 03:11:35,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:11:35,746 INFO L225 Difference]: With dead ends: 115 [2021-10-16 03:11:35,746 INFO L226 Difference]: Without dead ends: 87 [2021-10-16 03:11:35,747 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:11:35,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-16 03:11:35,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 55. [2021-10-16 03:11:35,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 54 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:35,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2021-10-16 03:11:35,762 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2021-10-16 03:11:35,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:11:35,762 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2021-10-16 03:11:35,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:35,763 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2021-10-16 03:11:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-16 03:11:35,766 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:11:35,766 INFO L512 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, 1, 1] [2021-10-16 03:11:35,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 03:11:35,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:11:35,986 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:11:35,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:11:35,986 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2021-10-16 03:11:35,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:11:35,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377172936] [2021-10-16 03:11:35,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:11:35,988 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:11:35,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:11:35,990 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:11:36,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 03:11:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:11:36,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:11:36,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:11:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:11:36,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:11:36,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:11:36,415 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:11:36,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377172936] [2021-10-16 03:11:36,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377172936] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:11:36,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:11:36,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-16 03:11:36,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749228008] [2021-10-16 03:11:36,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 03:11:36,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:11:36,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 03:11:36,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:11:36,418 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:36,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:11:36,541 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2021-10-16 03:11:36,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 03:11:36,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-16 03:11:36,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:11:36,544 INFO L225 Difference]: With dead ends: 242 [2021-10-16 03:11:36,544 INFO L226 Difference]: Without dead ends: 194 [2021-10-16 03:11:36,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 48.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-16 03:11:36,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-16 03:11:36,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2021-10-16 03:11:36,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.4680851063829787) internal successors, (138), 94 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2021-10-16 03:11:36,565 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2021-10-16 03:11:36,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:11:36,566 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2021-10-16 03:11:36,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:36,566 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2021-10-16 03:11:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-16 03:11:36,568 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:11:36,568 INFO L512 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, 1, 1, 1] [2021-10-16 03:11:36,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 03:11:36,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:11:36,792 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:11:36,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:11:36,793 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2021-10-16 03:11:36,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:11:36,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983677677] [2021-10-16 03:11:36,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:11:36,794 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:11:36,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:11:36,795 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:11:36,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 03:11:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:11:37,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:11:37,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:11:37,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:11:37,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:11:37,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:11:37,195 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:11:37,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983677677] [2021-10-16 03:11:37,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983677677] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:11:37,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:11:37,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 03:11:37,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134330160] [2021-10-16 03:11:37,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 03:11:37,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:11:37,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 03:11:37,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:11:37,198 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:37,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:11:37,308 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2021-10-16 03:11:37,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 03:11:37,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-16 03:11:37,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:11:37,310 INFO L225 Difference]: With dead ends: 285 [2021-10-16 03:11:37,310 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:11:37,311 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:11:37,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:11:37,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:11:37,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:11:37,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-16 03:11:37,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:11:37,313 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:11:37,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:11:37,313 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:11:37,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:11:37,316 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:11:37,316 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:11:37,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:11:37,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 03:11:37,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:11:37,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:11:37,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:11:37,980 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2021-10-16 03:11:37,980 INFO L853 garLoopResultBuilder]: At program point L663(lines 662 681) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,980 INFO L857 garLoopResultBuilder]: For program point L663-1(lines 663 669) no Hoare annotation was computed. [2021-10-16 03:11:37,980 INFO L853 garLoopResultBuilder]: At program point L663-2(lines 662 681) the Hoare annotation is: false [2021-10-16 03:11:37,981 INFO L853 garLoopResultBuilder]: At program point L663-3(lines 662 681) the Hoare annotation is: false [2021-10-16 03:11:37,981 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:11:37,981 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-10-16 03:11:37,981 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 663 669) no Hoare annotation was computed. [2021-10-16 03:11:37,981 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-10-16 03:11:37,981 INFO L853 garLoopResultBuilder]: At program point L765(lines 760 768) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,982 INFO L853 garLoopResultBuilder]: At program point L765-1(lines 760 768) the Hoare annotation is: false [2021-10-16 03:11:37,982 INFO L857 garLoopResultBuilder]: For program point L699(lines 699 707) no Hoare annotation was computed. [2021-10-16 03:11:37,982 INFO L853 garLoopResultBuilder]: At program point L765-2(lines 760 768) the Hoare annotation is: false [2021-10-16 03:11:37,982 INFO L857 garLoopResultBuilder]: For program point L699-1(lines 699 707) no Hoare annotation was computed. [2021-10-16 03:11:37,982 INFO L857 garLoopResultBuilder]: For program point L699-2(lines 699 707) no Hoare annotation was computed. [2021-10-16 03:11:37,983 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 932) no Hoare annotation was computed. [2021-10-16 03:11:37,983 INFO L853 garLoopResultBuilder]: At program point L915-1(lines 1 935) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,983 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-16 03:11:37,983 INFO L857 garLoopResultBuilder]: For program point L915-2(lines 915 932) no Hoare annotation was computed. [2021-10-16 03:11:37,983 INFO L853 garLoopResultBuilder]: At program point L849-1(lines 849 855) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,984 INFO L853 garLoopResultBuilder]: At program point L915-3(lines 1 935) the Hoare annotation is: false [2021-10-16 03:11:37,984 INFO L857 garLoopResultBuilder]: For program point L915-4(lines 915 932) no Hoare annotation was computed. [2021-10-16 03:11:37,984 INFO L853 garLoopResultBuilder]: At program point L915-5(lines 1 935) the Hoare annotation is: false [2021-10-16 03:11:37,984 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 491) no Hoare annotation was computed. [2021-10-16 03:11:37,984 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:11:37,984 INFO L857 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2021-10-16 03:11:37,985 INFO L860 garLoopResultBuilder]: At program point L636-1(lines 636 643) the Hoare annotation is: true [2021-10-16 03:11:37,985 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 935) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,985 INFO L853 garLoopResultBuilder]: At program point L670(lines 670 676) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,985 INFO L853 garLoopResultBuilder]: At program point L670-1(lines 670 676) the Hoare annotation is: false [2021-10-16 03:11:37,985 INFO L853 garLoopResultBuilder]: At program point L670-2(lines 670 676) the Hoare annotation is: false [2021-10-16 03:11:37,986 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2021-10-16 03:11:37,986 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2021-10-16 03:11:37,986 INFO L857 garLoopResultBuilder]: For program point L919(lines 919 929) no Hoare annotation was computed. [2021-10-16 03:11:37,986 INFO L857 garLoopResultBuilder]: For program point L919-2(lines 919 929) no Hoare annotation was computed. [2021-10-16 03:11:37,986 INFO L857 garLoopResultBuilder]: For program point L919-4(lines 919 929) no Hoare annotation was computed. [2021-10-16 03:11:37,987 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 03:11:37,987 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-10-16 03:11:37,987 INFO L857 garLoopResultBuilder]: For program point L920-2(lines 920 926) no Hoare annotation was computed. [2021-10-16 03:11:37,987 INFO L857 garLoopResultBuilder]: For program point L920-4(lines 920 926) no Hoare annotation was computed. [2021-10-16 03:11:37,987 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-16 03:11:37,987 INFO L857 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2021-10-16 03:11:37,988 INFO L853 garLoopResultBuilder]: At program point L904(lines 899 906) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,988 INFO L857 garLoopResultBuilder]: For program point L458-2(line 458) no Hoare annotation was computed. [2021-10-16 03:11:37,988 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:11:37,988 INFO L857 garLoopResultBuilder]: For program point L475-3(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:11:37,988 INFO L857 garLoopResultBuilder]: For program point L475-6(lines 475 479) no Hoare annotation was computed. [2021-10-16 03:11:37,989 INFO L853 garLoopResultBuilder]: At program point L756(lines 749 759) the Hoare annotation is: false [2021-10-16 03:11:37,989 INFO L853 garLoopResultBuilder]: At program point L756-1(lines 749 759) the Hoare annotation is: false [2021-10-16 03:11:37,989 INFO L853 garLoopResultBuilder]: At program point L756-2(lines 749 759) the Hoare annotation is: false [2021-10-16 03:11:37,989 INFO L853 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2021-10-16 03:11:37,989 INFO L857 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2021-10-16 03:11:37,990 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2021-10-16 03:11:37,990 INFO L853 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,990 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 03:11:37,990 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2021-10-16 03:11:37,990 INFO L853 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: false [2021-10-16 03:11:37,991 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 815) no Hoare annotation was computed. [2021-10-16 03:11:37,991 INFO L853 garLoopResultBuilder]: At program point L809-1(lines 809 815) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,991 INFO L853 garLoopResultBuilder]: At program point L512(lines 507 515) the Hoare annotation is: false [2021-10-16 03:11:37,991 INFO L853 garLoopResultBuilder]: At program point L512-1(lines 507 515) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,991 INFO L853 garLoopResultBuilder]: At program point L512-2(lines 507 515) the Hoare annotation is: false [2021-10-16 03:11:37,992 INFO L853 garLoopResultBuilder]: At program point L512-3(lines 507 515) the Hoare annotation is: false [2021-10-16 03:11:37,992 INFO L853 garLoopResultBuilder]: At program point L512-4(lines 507 515) the Hoare annotation is: false [2021-10-16 03:11:37,992 INFO L857 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2021-10-16 03:11:37,992 INFO L853 garLoopResultBuilder]: At program point L512-5(lines 507 515) the Hoare annotation is: false [2021-10-16 03:11:37,993 INFO L853 garLoopResultBuilder]: At program point L859-1(lines 859 865) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,993 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,993 INFO L857 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2021-10-16 03:11:37,993 INFO L860 garLoopResultBuilder]: At program point L645(lines 626 648) the Hoare annotation is: true [2021-10-16 03:11:37,993 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 712) no Hoare annotation was computed. [2021-10-16 03:11:37,993 INFO L857 garLoopResultBuilder]: For program point L695-1(lines 695 712) no Hoare annotation was computed. [2021-10-16 03:11:37,994 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 712) no Hoare annotation was computed. [2021-10-16 03:11:37,994 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2021-10-16 03:11:37,994 INFO L853 garLoopResultBuilder]: At program point L877-1(lines 663 669) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 03:11:37,998 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:11:38,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:11:38 BoogieIcfgContainer [2021-10-16 03:11:38,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:11:38,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:11:38,015 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:11:38,015 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:11:38,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:11:33" (3/4) ... [2021-10-16 03:11:38,018 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:11:38,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-16 03:11:38,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-16 03:11:38,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-16 03:11:38,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 03:11:38,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 03:11:38,036 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:11:38,036 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:11:38,063 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-16 03:11:38,096 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:11:38,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:11:38,097 INFO L168 Benchmark]: Toolchain (without parser) took 8160.04 ms. Allocated memory was 77.6 MB in the beginning and 102.8 MB in the end (delta: 25.2 MB). Free memory was 41.4 MB in the beginning and 42.8 MB in the end (delta: -1.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:11:38,098 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 77.6 MB. Free memory was 58.7 MB in the beginning and 58.7 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:11:38,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 879.27 ms. Allocated memory is still 77.6 MB. Free memory was 63.0 MB in the beginning and 47.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:11:38,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.96 ms. Allocated memory is still 77.6 MB. Free memory was 47.0 MB in the beginning and 44.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:11:38,099 INFO L168 Benchmark]: Boogie Preprocessor took 80.01 ms. Allocated memory is still 77.6 MB. Free memory was 44.2 MB in the beginning and 42.0 MB in the end (delta: 2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:11:38,099 INFO L168 Benchmark]: RCFGBuilder took 2619.43 ms. Allocated memory was 77.6 MB in the beginning and 102.8 MB in the end (delta: 25.2 MB). Free memory was 42.0 MB in the beginning and 69.0 MB in the end (delta: -27.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-10-16 03:11:38,100 INFO L168 Benchmark]: TraceAbstraction took 4336.23 ms. Allocated memory is still 102.8 MB. Free memory was 68.5 MB in the beginning and 49.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:11:38,100 INFO L168 Benchmark]: Witness Printer took 81.57 ms. Allocated memory is still 102.8 MB. Free memory was 49.0 MB in the beginning and 42.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:11:38,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 77.6 MB. Free memory was 58.7 MB in the beginning and 58.7 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 879.27 ms. Allocated memory is still 77.6 MB. Free memory was 63.0 MB in the beginning and 47.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 133.96 ms. Allocated memory is still 77.6 MB. Free memory was 47.0 MB in the beginning and 44.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.01 ms. Allocated memory is still 77.6 MB. Free memory was 44.2 MB in the beginning and 42.0 MB in the end (delta: 2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2619.43 ms. Allocated memory was 77.6 MB in the beginning and 102.8 MB in the end (delta: 25.2 MB). Free memory was 42.0 MB in the beginning and 69.0 MB in the end (delta: -27.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4336.23 ms. Allocated memory is still 102.8 MB. Free memory was 68.5 MB in the beginning and 49.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Witness Printer took 81.57 ms. Allocated memory is still 102.8 MB. Free memory was 49.0 MB in the beginning and 42.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 458]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 458]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 458]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4234.7ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 35.5ms, AutomataDifference: 433.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 450.0ms, InitialAbstractionConstructionTime: 15.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 325 SDtfs, 399 SDslu, 391 SDs, 0 SdLazy, 68 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 139.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 104.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 87.2ms AutomataMinimizationTime, 5 MinimizatonAttempts, 131 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3826 FormulaSimplificationTreeSizeReduction, 363.2ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 77.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 131.1ms SsaConstructionTime, 597.8ms SatisfiabilityAnalysisTime, 908.9ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-16 03:11:38,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbbe684-6992-42c2-9ce2-cbbe69a65b43/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...