./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG --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 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a ............................................................................................................................................ 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_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG --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 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:21:22,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:21:22,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:21:22,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:21:22,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:21:22,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:21:22,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:21:22,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:21:22,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:21:22,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:21:22,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:21:22,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:21:22,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:21:22,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:21:22,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:21:22,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:21:22,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:21:22,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:21:22,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:21:22,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:21:22,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:21:22,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:21:22,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:21:22,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:21:22,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:21:22,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:21:22,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:21:22,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:21:22,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:21:22,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:21:22,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:21:22,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:21:22,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:21:22,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:21:22,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:21:22,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:21:22,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:21:22,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:21:22,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:21:22,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:21:22,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:21:22,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:21:22,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:21:22,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:21:22,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:21:22,373 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:21:22,373 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:21:22,374 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:21:22,374 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:21:22,375 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:21:22,375 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:21:22,376 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:21:22,376 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:21:22,376 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:21:22,377 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:21:22,377 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:21:22,378 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:21:22,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:21:22,387 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:21:22,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:21:22,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:21:22,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:21:22,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:21:22,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:21:22,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:21:22,389 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:21:22,389 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:21:22,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:21:22,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:21:22,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:21:22,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:21:22,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:21:22,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:21:22,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:21:22,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:21:22,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:21:22,394 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:21:22,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:21:22,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:21:22,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:21:22,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:21:22,396 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_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a [2021-10-29 05:21:22,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:21:22,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:21:22,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:21:22,756 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:21:22,757 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:21:22,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-29 05:21:22,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/data/51b21aabc/1f78ecd5ba9a4640a6d7b9b5d95ca7d1/FLAG76a08f66c [2021-10-29 05:21:23,531 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:21:23,531 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-29 05:21:23,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/data/51b21aabc/1f78ecd5ba9a4640a6d7b9b5d95ca7d1/FLAG76a08f66c [2021-10-29 05:21:23,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/data/51b21aabc/1f78ecd5ba9a4640a6d7b9b5d95ca7d1 [2021-10-29 05:21:23,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:21:23,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:21:23,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:21:23,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:21:23,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:21:23,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:21:23" (1/1) ... [2021-10-29 05:21:23,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f61546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:23, skipping insertion in model container [2021-10-29 05:21:23,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:21:23" (1/1) ... [2021-10-29 05:21:23,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:21:23,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:21:24,237 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_cbc5a156-f8f2-4c27-b671-ec0665068332/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2021-10-29 05:21:24,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:21:24,281 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) [2021-10-29 05:21:24,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6acb8a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:24, skipping insertion in model container [2021-10-29 05:21:24,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:21:24,283 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:21:24,296 INFO L168 Benchmark]: Toolchain (without parser) took 481.69 ms. Allocated memory is still 109.1 MB. Free memory was 67.0 MB in the beginning and 81.6 MB in the end (delta: -14.6 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:24,297 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 109.1 MB. Free memory is still 83.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:21:24,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.85 ms. Allocated memory is still 109.1 MB. Free memory was 66.8 MB in the beginning and 81.6 MB in the end (delta: -14.8 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:24,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 109.1 MB. Free memory is still 83.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 473.85 ms. Allocated memory is still 109.1 MB. Free memory was 66.8 MB in the beginning and 81.6 MB in the end (delta: -14.8 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: 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-b2eff8b [2021-10-29 05:21:27,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:21:27,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:21:27,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:21:27,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:21:27,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:21:27,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:21:27,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:21:27,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:21:27,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:21:27,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:21:27,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:21:27,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:21:27,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:21:27,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:21:27,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:21:27,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:21:27,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:21:27,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:21:27,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:21:27,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:21:27,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:21:27,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:21:27,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:21:27,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:21:27,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:21:27,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:21:27,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:21:27,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:21:27,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:21:27,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:21:27,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:21:27,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:21:27,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:21:27,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:21:27,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:21:27,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:21:27,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:21:27,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:21:27,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:21:27,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:21:27,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:21:27,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:21:27,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:21:27,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:21:27,247 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:21:27,248 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:21:27,248 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:21:27,248 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:21:27,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:21:27,249 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:21:27,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:21:27,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:21:27,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:21:27,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:21:27,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:21:27,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:21:27,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:21:27,252 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:21:27,252 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:21:27,253 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:21:27,253 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:21:27,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:21:27,254 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:21:27,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:21:27,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:21:27,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:21:27,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:21:27,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:21:27,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:21:27,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:21:27,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:21:27,257 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:21:27,257 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:21:27,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:21:27,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:21:27,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:21:27,258 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_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a [2021-10-29 05:21:27,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:21:27,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:21:27,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:21:27,729 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:21:27,730 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:21:27,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-29 05:21:27,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/data/bc20b6e78/44af6fd8bba5421c8fe594bb5e540370/FLAGad0451e33 [2021-10-29 05:21:28,670 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:21:28,682 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-29 05:21:28,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/data/bc20b6e78/44af6fd8bba5421c8fe594bb5e540370/FLAGad0451e33 [2021-10-29 05:21:28,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/data/bc20b6e78/44af6fd8bba5421c8fe594bb5e540370 [2021-10-29 05:21:28,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:21:28,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:21:28,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:21:28,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:21:28,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:21:28,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:21:28" (1/1) ... [2021-10-29 05:21:28,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76930698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:28, skipping insertion in model container [2021-10-29 05:21:28,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:21:28" (1/1) ... [2021-10-29 05:21:28,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:21:28,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:21:29,342 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_cbc5a156-f8f2-4c27-b671-ec0665068332/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2021-10-29 05:21:29,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:21:29,389 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:21:29,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:21:29,457 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_cbc5a156-f8f2-4c27-b671-ec0665068332/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2021-10-29 05:21:29,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:21:29,490 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:21:29,614 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_cbc5a156-f8f2-4c27-b671-ec0665068332/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2021-10-29 05:21:29,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:21:29,676 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:21:29,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29 WrapperNode [2021-10-29 05:21:29,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:21:29,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:21:29,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:21:29,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:21:29,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29" (1/1) ... [2021-10-29 05:21:29,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29" (1/1) ... [2021-10-29 05:21:29,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:21:29,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:21:29,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:21:29,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:21:29,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29" (1/1) ... [2021-10-29 05:21:29,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29" (1/1) ... [2021-10-29 05:21:29,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29" (1/1) ... [2021-10-29 05:21:29,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29" (1/1) ... [2021-10-29 05:21:29,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29" (1/1) ... [2021-10-29 05:21:29,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29" (1/1) ... [2021-10-29 05:21:29,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29" (1/1) ... [2021-10-29 05:21:29,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:21:29,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:21:29,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:21:29,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:21:29,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29" (1/1) ... [2021-10-29 05:21:29,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:21:29,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:21:29,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:21:29,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:21:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:21:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:21:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:21:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:21:33,089 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:21:33,089 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-29 05:21:33,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:21:33 BoogieIcfgContainer [2021-10-29 05:21:33,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:21:33,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:21:33,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:21:33,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:21:33,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:21:28" (1/3) ... [2021-10-29 05:21:33,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b6e252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:21:33, skipping insertion in model container [2021-10-29 05:21:33,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:21:29" (2/3) ... [2021-10-29 05:21:33,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b6e252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:21:33, skipping insertion in model container [2021-10-29 05:21:33,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:21:33" (3/3) ... [2021-10-29 05:21:33,118 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2021-10-29 05:21:33,125 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:21:33,125 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:21:33,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:21:33,222 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:21:33,224 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:21:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 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) [2021-10-29 05:21:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:21:33,256 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:33,257 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:33,258 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:21:33,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:33,265 INFO L85 PathProgramCache]: Analyzing trace with hash 631358255, now seen corresponding path program 1 times [2021-10-29 05:21:33,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:21:33,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783588661] [2021-10-29 05:21:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:33,283 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:21:33,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:21:33,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:21:33,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:21:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:33,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:21:33,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:21:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:33,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:21:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:33,693 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:21:33,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783588661] [2021-10-29 05:21:33,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783588661] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:33,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:33,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:21:33,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500877731] [2021-10-29 05:21:33,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:21:33,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:21:33,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:21:33,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:21:33,724 INFO L87 Difference]: Start difference. First operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 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) [2021-10-29 05:21:33,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:33,767 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2021-10-29 05:21:33,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:21:33,769 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 [2021-10-29 05:21:33,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:33,786 INFO L225 Difference]: With dead ends: 211 [2021-10-29 05:21:33,787 INFO L226 Difference]: Without dead ends: 105 [2021-10-29 05:21:33,792 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:21:33,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-29 05:21:33,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-10-29 05:21:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 104 states have internal predecessors, (151), 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) [2021-10-29 05:21:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2021-10-29 05:21:33,848 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2021-10-29 05:21:33,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:33,849 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2021-10-29 05:21:33,849 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) [2021-10-29 05:21:33,850 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2021-10-29 05:21:33,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:21:33,851 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:33,852 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:33,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:21:34,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:21:34,058 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:21:34,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:34,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1546440637, now seen corresponding path program 1 times [2021-10-29 05:21:34,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:21:34,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091994384] [2021-10-29 05:21:34,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:34,060 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:21:34,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:21:34,066 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:21:34,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:21:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:34,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:21:34,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:21:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:34,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:21:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:34,534 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:21:34,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091994384] [2021-10-29 05:21:34,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091994384] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:34,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:34,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:21:34,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798605311] [2021-10-29 05:21:34,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:21:34,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:21:34,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:21:34,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:21:34,539 INFO L87 Difference]: Start difference. First operand 105 states and 151 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) [2021-10-29 05:21:34,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:34,559 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2021-10-29 05:21:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:21:34,560 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 [2021-10-29 05:21:34,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:34,562 INFO L225 Difference]: With dead ends: 105 [2021-10-29 05:21:34,562 INFO L226 Difference]: Without dead ends: 45 [2021-10-29 05:21:34,563 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:21:34,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-29 05:21:34,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-29 05:21:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 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) [2021-10-29 05:21:34,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-29 05:21:34,571 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2021-10-29 05:21:34,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:34,572 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-29 05:21:34,572 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) [2021-10-29 05:21:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-29 05:21:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:21:34,573 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:34,574 INFO L513 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] [2021-10-29 05:21:34,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:21:34,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:21:34,787 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:21:34,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:34,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2021-10-29 05:21:34,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:21:34,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411833481] [2021-10-29 05:21:34,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:34,789 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:21:34,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:21:34,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:21:34,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:21:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:35,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:21:35,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:21:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:35,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:21:35,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:35,346 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:21:35,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1411833481] [2021-10-29 05:21:35,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1411833481] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:35,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:35,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:21:35,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404656088] [2021-10-29 05:21:35,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:21:35,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:21:35,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:21:35,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:21:35,354 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-29 05:21:35,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:35,385 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2021-10-29 05:21:35,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:21:35,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 [2021-10-29 05:21:35,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:35,392 INFO L225 Difference]: With dead ends: 83 [2021-10-29 05:21:35,392 INFO L226 Difference]: Without dead ends: 45 [2021-10-29 05:21:35,393 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:21:35,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-29 05:21:35,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-29 05:21:35,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 44 states have internal predecessors, (63), 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) [2021-10-29 05:21:35,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2021-10-29 05:21:35,400 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2021-10-29 05:21:35,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:35,401 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2021-10-29 05:21:35,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-29 05:21:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-10-29 05:21:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:21:35,409 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:35,410 INFO L513 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] [2021-10-29 05:21:35,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:21:35,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:21:35,627 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:21:35,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:35,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2021-10-29 05:21:35,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:21:35,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306332163] [2021-10-29 05:21:35,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:35,630 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:21:35,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:21:35,632 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:21:35,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:21:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:35,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:21:35,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:21:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:36,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:21:36,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:36,218 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:21:36,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306332163] [2021-10-29 05:21:36,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306332163] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:36,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:36,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:21:36,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732210152] [2021-10-29 05:21:36,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:21:36,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:21:36,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:21:36,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:21:36,222 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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) [2021-10-29 05:21:36,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:36,374 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2021-10-29 05:21:36,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:21:36,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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 [2021-10-29 05:21:36,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:36,378 INFO L225 Difference]: With dead ends: 207 [2021-10-29 05:21:36,378 INFO L226 Difference]: Without dead ends: 169 [2021-10-29 05:21:36,379 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:21:36,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-10-29 05:21:36,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2021-10-29 05:21:36,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4415584415584415) internal successors, (111), 77 states have internal predecessors, (111), 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) [2021-10-29 05:21:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2021-10-29 05:21:36,403 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2021-10-29 05:21:36,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:36,403 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2021-10-29 05:21:36,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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) [2021-10-29 05:21:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2021-10-29 05:21:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 05:21:36,406 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:36,406 INFO L513 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, 1] [2021-10-29 05:21:36,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:21:36,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:21:36,622 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:21:36,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:36,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2021-10-29 05:21:36,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:21:36,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715579177] [2021-10-29 05:21:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:36,625 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:21:36,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:21:36,626 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:21:36,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:21:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:36,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:21:36,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:21:37,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:37,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:21:37,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:37,155 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:21:37,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715579177] [2021-10-29 05:21:37,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715579177] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:37,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:37,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:21:37,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612017703] [2021-10-29 05:21:37,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:21:37,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:21:37,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:21:37,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:21:37,159 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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) [2021-10-29 05:21:37,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:37,265 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2021-10-29 05:21:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:21:37,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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 27 [2021-10-29 05:21:37,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:37,267 INFO L225 Difference]: With dead ends: 176 [2021-10-29 05:21:37,267 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:21:37,268 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:21:37,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:21:37,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:21:37,269 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) [2021-10-29 05:21:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:21:37,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-10-29 05:21:37,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:37,270 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:21:37,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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) [2021-10-29 05:21:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:21:37,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:21:37,273 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:21:37,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:21:37,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:21:37,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:21:37,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:21:37,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:21:37,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:21:37,979 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 660) no Hoare annotation was computed. [2021-10-29 05:21:37,980 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2021-10-29 05:21:37,980 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 453) no Hoare annotation was computed. [2021-10-29 05:21:37,980 INFO L853 garLoopResultBuilder]: At program point L436-1(lines 1 943) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:21:37,980 INFO L857 garLoopResultBuilder]: For program point L436-2(lines 436 453) no Hoare annotation was computed. [2021-10-29 05:21:37,980 INFO L853 garLoopResultBuilder]: At program point L436-3(lines 1 943) the Hoare annotation is: false [2021-10-29 05:21:37,980 INFO L857 garLoopResultBuilder]: For program point L436-4(lines 436 453) no Hoare annotation was computed. [2021-10-29 05:21:37,980 INFO L853 garLoopResultBuilder]: At program point L436-5(lines 1 943) the Hoare annotation is: false [2021-10-29 05:21:37,981 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 784) no Hoare annotation was computed. [2021-10-29 05:21:37,981 INFO L857 garLoopResultBuilder]: For program point L767-1(lines 767 784) no Hoare annotation was computed. [2021-10-29 05:21:37,981 INFO L857 garLoopResultBuilder]: For program point L767-2(lines 767 784) no Hoare annotation was computed. [2021-10-29 05:21:37,981 INFO L853 garLoopResultBuilder]: At program point L470-2(lines 470 484) the Hoare annotation is: false [2021-10-29 05:21:37,981 INFO L857 garLoopResultBuilder]: For program point L900(lines 900 906) no Hoare annotation was computed. [2021-10-29 05:21:37,981 INFO L853 garLoopResultBuilder]: At program point L900-1(lines 900 906) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:21:37,981 INFO L857 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-10-29 05:21:37,982 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 660) no Hoare annotation was computed. [2021-10-29 05:21:37,982 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,982 INFO L857 garLoopResultBuilder]: For program point L869-2(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,982 INFO L857 garLoopResultBuilder]: For program point L869-3(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,982 INFO L857 garLoopResultBuilder]: For program point L869-5(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,982 INFO L857 garLoopResultBuilder]: For program point L869-6(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,982 INFO L857 garLoopResultBuilder]: For program point L869-8(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,982 INFO L857 garLoopResultBuilder]: For program point L869-9(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,983 INFO L857 garLoopResultBuilder]: For program point L869-11(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,983 INFO L857 garLoopResultBuilder]: For program point L869-12(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,983 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 450) no Hoare annotation was computed. [2021-10-29 05:21:37,983 INFO L857 garLoopResultBuilder]: For program point L869-14(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,983 INFO L857 garLoopResultBuilder]: For program point L440-2(lines 440 450) no Hoare annotation was computed. [2021-10-29 05:21:37,983 INFO L857 garLoopResultBuilder]: For program point L869-15(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,983 INFO L857 garLoopResultBuilder]: For program point L869-17(lines 869 873) no Hoare annotation was computed. [2021-10-29 05:21:37,983 INFO L857 garLoopResultBuilder]: For program point L440-4(lines 440 450) no Hoare annotation was computed. [2021-10-29 05:21:37,983 INFO L853 garLoopResultBuilder]: At program point L936(lines 889 937) the Hoare annotation is: false [2021-10-29 05:21:37,984 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 779) no Hoare annotation was computed. [2021-10-29 05:21:37,984 INFO L857 garLoopResultBuilder]: For program point L771-1(lines 771 779) no Hoare annotation was computed. [2021-10-29 05:21:37,984 INFO L857 garLoopResultBuilder]: For program point L771-2(lines 771 779) no Hoare annotation was computed. [2021-10-29 05:21:37,984 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 577) no Hoare annotation was computed. [2021-10-29 05:21:37,984 INFO L857 garLoopResultBuilder]: For program point L573-3(lines 573 577) no Hoare annotation was computed. [2021-10-29 05:21:37,984 INFO L857 garLoopResultBuilder]: For program point L474(lines 474 478) no Hoare annotation was computed. [2021-10-29 05:21:37,984 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 447) no Hoare annotation was computed. [2021-10-29 05:21:37,984 INFO L857 garLoopResultBuilder]: For program point L474-1(lines 709 715) no Hoare annotation was computed. [2021-10-29 05:21:37,985 INFO L857 garLoopResultBuilder]: For program point L441-2(lines 441 447) no Hoare annotation was computed. [2021-10-29 05:21:37,985 INFO L857 garLoopResultBuilder]: For program point L573-6(lines 573 577) no Hoare annotation was computed. [2021-10-29 05:21:37,985 INFO L857 garLoopResultBuilder]: For program point L441-4(lines 441 447) no Hoare annotation was computed. [2021-10-29 05:21:37,985 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 758) no Hoare annotation was computed. [2021-10-29 05:21:37,985 INFO L857 garLoopResultBuilder]: For program point L741-1(lines 741 758) no Hoare annotation was computed. [2021-10-29 05:21:37,985 INFO L857 garLoopResultBuilder]: For program point L741-2(lines 741 758) no Hoare annotation was computed. [2021-10-29 05:21:37,985 INFO L857 garLoopResultBuilder]: For program point L741-3(lines 741 758) no Hoare annotation was computed. [2021-10-29 05:21:37,985 INFO L857 garLoopResultBuilder]: For program point L741-4(lines 741 758) no Hoare annotation was computed. [2021-10-29 05:21:37,985 INFO L857 garLoopResultBuilder]: For program point L741-5(lines 741 758) no Hoare annotation was computed. [2021-10-29 05:21:37,986 INFO L853 garLoopResultBuilder]: At program point L709(lines 708 727) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:21:37,986 INFO L857 garLoopResultBuilder]: For program point L709-1(lines 709 715) no Hoare annotation was computed. [2021-10-29 05:21:37,986 INFO L853 garLoopResultBuilder]: At program point L709-2(lines 708 727) the Hoare annotation is: false [2021-10-29 05:21:37,990 INFO L853 garLoopResultBuilder]: At program point L610(lines 605 613) the Hoare annotation is: false [2021-10-29 05:21:37,991 INFO L853 garLoopResultBuilder]: At program point L709-3(lines 708 727) the Hoare annotation is: false [2021-10-29 05:21:37,991 INFO L853 garLoopResultBuilder]: At program point L610-1(lines 605 613) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:21:37,991 INFO L853 garLoopResultBuilder]: At program point L610-2(lines 605 613) the Hoare annotation is: false [2021-10-29 05:21:37,991 INFO L853 garLoopResultBuilder]: At program point L610-3(lines 605 613) the Hoare annotation is: false [2021-10-29 05:21:37,992 INFO L853 garLoopResultBuilder]: At program point L610-4(lines 605 613) the Hoare annotation is: false [2021-10-29 05:21:37,992 INFO L853 garLoopResultBuilder]: At program point L610-5(lines 605 613) the Hoare annotation is: false [2021-10-29 05:21:37,992 INFO L853 garLoopResultBuilder]: At program point L875(lines 860 878) the Hoare annotation is: false [2021-10-29 05:21:37,992 INFO L853 garLoopResultBuilder]: At program point L875-1(lines 860 878) the Hoare annotation is: false [2021-10-29 05:21:37,995 INFO L853 garLoopResultBuilder]: At program point L875-2(lines 860 878) the Hoare annotation is: false [2021-10-29 05:21:37,995 INFO L853 garLoopResultBuilder]: At program point L875-3(lines 860 878) the Hoare annotation is: false [2021-10-29 05:21:37,995 INFO L853 garLoopResultBuilder]: At program point L875-4(lines 860 878) the Hoare annotation is: false [2021-10-29 05:21:37,996 INFO L853 garLoopResultBuilder]: At program point L875-5(lines 860 878) the Hoare annotation is: false [2021-10-29 05:21:37,996 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 916) no Hoare annotation was computed. [2021-10-29 05:21:37,996 INFO L853 garLoopResultBuilder]: At program point L910-1(lines 910 916) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:21:37,996 INFO L853 garLoopResultBuilder]: At program point L811(lines 804 814) the Hoare annotation is: false [2021-10-29 05:21:37,996 INFO L853 garLoopResultBuilder]: At program point L811-1(lines 804 814) the Hoare annotation is: false [2021-10-29 05:21:37,997 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 753) no Hoare annotation was computed. [2021-10-29 05:21:37,997 INFO L853 garLoopResultBuilder]: At program point L811-2(lines 804 814) the Hoare annotation is: false [2021-10-29 05:21:37,997 INFO L857 garLoopResultBuilder]: For program point L745-1(lines 745 753) no Hoare annotation was computed. [2021-10-29 05:21:37,997 INFO L857 garLoopResultBuilder]: For program point L745-2(lines 745 753) no Hoare annotation was computed. [2021-10-29 05:21:37,997 INFO L857 garLoopResultBuilder]: For program point L745-3(lines 745 753) no Hoare annotation was computed. [2021-10-29 05:21:37,997 INFO L857 garLoopResultBuilder]: For program point L745-4(lines 745 753) no Hoare annotation was computed. [2021-10-29 05:21:37,998 INFO L857 garLoopResultBuilder]: For program point L745-5(lines 745 753) no Hoare annotation was computed. [2021-10-29 05:21:37,998 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:21:37,998 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 556) no Hoare annotation was computed. [2021-10-29 05:21:37,998 INFO L860 garLoopResultBuilder]: At program point L549-1(lines 549 556) the Hoare annotation is: true [2021-10-29 05:21:37,998 INFO L853 garLoopResultBuilder]: At program point L716(lines 716 722) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:21:37,998 INFO L853 garLoopResultBuilder]: At program point L716-1(lines 716 722) the Hoare annotation is: false [2021-10-29 05:21:37,999 INFO L853 garLoopResultBuilder]: At program point L716-2(lines 716 722) the Hoare annotation is: false [2021-10-29 05:21:37,999 INFO L853 garLoopResultBuilder]: At program point L651(lines 646 654) the Hoare annotation is: false [2021-10-29 05:21:37,999 INFO L853 garLoopResultBuilder]: At program point L651-1(lines 646 654) the Hoare annotation is: false [2021-10-29 05:21:37,999 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 589) no Hoare annotation was computed. [2021-10-29 05:21:37,999 INFO L853 garLoopResultBuilder]: At program point L651-2(lines 646 654) the Hoare annotation is: false [2021-10-29 05:21:38,000 INFO L853 garLoopResultBuilder]: At program point L651-3(lines 646 654) the Hoare annotation is: false [2021-10-29 05:21:38,000 INFO L853 garLoopResultBuilder]: At program point L651-4(lines 646 654) the Hoare annotation is: false [2021-10-29 05:21:38,000 INFO L853 garLoopResultBuilder]: At program point L651-5(lines 646 654) the Hoare annotation is: false [2021-10-29 05:21:38,000 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:21:38,000 INFO L853 garLoopResultBuilder]: At program point L521(lines 517 523) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:21:38,001 INFO L853 garLoopResultBuilder]: At program point L687(lines 1 943) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:21:38,001 INFO L853 garLoopResultBuilder]: At program point L820(lines 815 823) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:21:38,001 INFO L853 garLoopResultBuilder]: At program point L820-1(lines 815 823) the Hoare annotation is: false [2021-10-29 05:21:38,001 INFO L853 garLoopResultBuilder]: At program point L820-2(lines 815 823) the Hoare annotation is: false [2021-10-29 05:21:38,001 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:21:38,002 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 931) no Hoare annotation was computed. [2021-10-29 05:21:38,002 INFO L853 garLoopResultBuilder]: At program point L425(lines 420 427) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:21:38,002 INFO L860 garLoopResultBuilder]: At program point L558(lines 539 561) the Hoare annotation is: true [2021-10-29 05:21:38,002 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:21:38,002 INFO L857 garLoopResultBuilder]: For program point L891(lines 890 935) no Hoare annotation was computed. [2021-10-29 05:21:38,003 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 660) no Hoare annotation was computed. [2021-10-29 05:21:38,003 INFO L857 garLoopResultBuilder]: For program point L660(line 660) no Hoare annotation was computed. [2021-10-29 05:21:38,003 INFO L857 garLoopResultBuilder]: For program point L660-1(line 660) no Hoare annotation was computed. [2021-10-29 05:21:38,003 INFO L857 garLoopResultBuilder]: For program point L660-2(line 660) no Hoare annotation was computed. [2021-10-29 05:21:38,003 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 896) no Hoare annotation was computed. [2021-10-29 05:21:38,003 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 930) no Hoare annotation was computed. [2021-10-29 05:21:38,004 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 709 715) no Hoare annotation was computed. [2021-10-29 05:21:38,004 INFO L853 garLoopResultBuilder]: At program point L695(lines 690 698) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:21:38,013 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:21:38,015 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:21:38,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:21:38 BoogieIcfgContainer [2021-10-29 05:21:38,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:21:38,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:21:38,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:21:38,054 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:21:38,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:21:33" (3/4) ... [2021-10-29 05:21:38,058 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:21:38,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:21:38,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:21:38,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:21:38,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:21:38,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:21:38,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:21:38,097 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:21:38,136 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:21:38,214 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:21:38,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:21:38,216 INFO L168 Benchmark]: Toolchain (without parser) took 9295.28 ms. Allocated memory was 69.2 MB in the beginning and 119.5 MB in the end (delta: 50.3 MB). Free memory was 47.8 MB in the beginning and 93.9 MB in the end (delta: -46.1 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:38,217 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 69.2 MB. Free memory is still 49.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:21:38,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.90 ms. Allocated memory is still 69.2 MB. Free memory was 47.7 MB in the beginning and 37.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:38,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.23 ms. Allocated memory is still 69.2 MB. Free memory was 37.5 MB in the beginning and 34.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:38,218 INFO L168 Benchmark]: Boogie Preprocessor took 69.34 ms. Allocated memory is still 69.2 MB. Free memory was 34.0 MB in the beginning and 31.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:38,219 INFO L168 Benchmark]: RCFGBuilder took 3228.77 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 31.5 MB in the beginning and 48.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:38,219 INFO L168 Benchmark]: TraceAbstraction took 4958.94 ms. Allocated memory is still 98.6 MB. Free memory was 47.5 MB in the beginning and 42.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:38,220 INFO L168 Benchmark]: Witness Printer took 160.51 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 42.3 MB in the beginning and 93.9 MB in the end (delta: -51.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:38,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 69.2 MB. Free memory is still 49.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 755.90 ms. Allocated memory is still 69.2 MB. Free memory was 47.7 MB in the beginning and 37.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.23 ms. Allocated memory is still 69.2 MB. Free memory was 37.5 MB in the beginning and 34.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.34 ms. Allocated memory is still 69.2 MB. Free memory was 34.0 MB in the beginning and 31.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3228.77 ms. Allocated memory was 69.2 MB in the beginning and 98.6 MB in the end (delta: 29.4 MB). Free memory was 31.5 MB in the beginning and 48.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4958.94 ms. Allocated memory is still 98.6 MB. Free memory was 47.5 MB in the beginning and 42.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Witness Printer took 160.51 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 42.3 MB in the beginning and 93.9 MB in the end (delta: -51.5 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 660]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 660]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 660]: 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, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 390 SDslu, 369 SDs, 0 SdLazy, 62 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1088 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 SizeOfPredicates, 7 NumberOfNonLiveVariables, 990 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: 549]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:21:38,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc5a156-f8f2-4c27-b671-ec0665068332/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...