./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8 --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 af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:20:39,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:20:39,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:20:39,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:20:39,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:20:39,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:20:39,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:20:39,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:20:39,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:20:39,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:20:39,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:20:39,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:20:39,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:20:39,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:20:39,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:20:39,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:20:39,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:20:39,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:20:39,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:20:39,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:20:39,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:20:39,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:20:39,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:20:39,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:20:39,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:20:39,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:20:39,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:20:39,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:20:39,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:20:39,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:20:39,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:20:39,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:20:39,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:20:39,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:20:39,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:20:39,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:20:39,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:20:39,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:20:39,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:20:39,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:20:39,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:20:39,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:20:39,553 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:20:39,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:20:39,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:20:39,555 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:20:39,555 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:20:39,556 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:20:39,556 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:20:39,556 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:20:39,556 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:20:39,556 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:20:39,558 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:20:39,558 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:20:39,558 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:20:39,558 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:20:39,559 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:20:39,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:20:39,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:20:39,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:20:39,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:20:39,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:20:39,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:20:39,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:20:39,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:20:39,561 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:20:39,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:20:39,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:20:39,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:20:39,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:20:39,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:20:39,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:20:39,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:20:39,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:20:39,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:20:39,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:20:39,566 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:20:39,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:20:39,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:20:39,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:20:39,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:20:39,567 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_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 [2021-11-07 01:20:39,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:20:39,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:20:39,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:20:39,894 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:20:39,895 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:20:39,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-11-07 01:20:39,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/data/e28301e18/386e905c7bb748d59438d68d3ad0ff85/FLAGe9bda2d55 [2021-11-07 01:20:40,488 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:20:40,493 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-11-07 01:20:40,506 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/data/e28301e18/386e905c7bb748d59438d68d3ad0ff85/FLAGe9bda2d55 [2021-11-07 01:20:40,841 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/data/e28301e18/386e905c7bb748d59438d68d3ad0ff85 [2021-11-07 01:20:40,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:20:40,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:20:40,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:20:40,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:20:40,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:20:40,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:20:40" (1/1) ... [2021-11-07 01:20:40,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575173d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:40, skipping insertion in model container [2021-11-07 01:20:40,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:20:40" (1/1) ... [2021-11-07 01:20:40,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:20:40,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:20:41,069 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_a03f5204-c512-487c-86ef-f45e5aa3058b/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-11-07 01:20:41,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:20:41,189 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) [2021-11-07 01:20:41,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69ac25b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:41, skipping insertion in model container [2021-11-07 01:20:41,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:20:41,191 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:20:41,193 INFO L168 Benchmark]: Toolchain (without parser) took 346.71 ms. Allocated memory is still 102.8 MB. Free memory was 67.1 MB in the beginning and 73.8 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:41,193 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory was 74.3 MB in the beginning and 74.3 MB in the end (delta: 24.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:20:41,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.26 ms. Allocated memory is still 102.8 MB. Free memory was 67.0 MB in the beginning and 73.8 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:41,196 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 102.8 MB. Free memory was 74.3 MB in the beginning and 74.3 MB in the end (delta: 24.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 344.26 ms. Allocated memory is still 102.8 MB. Free memory was 67.0 MB in the beginning and 73.8 MB in the end (delta: -6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 523]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8 --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 af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:20:43,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:20:43,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:20:43,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:20:43,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:20:43,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:20:43,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:20:43,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:20:43,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:20:43,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:20:43,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:20:43,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:20:43,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:20:43,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:20:43,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:20:43,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:20:43,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:20:43,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:20:43,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:20:43,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:20:43,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:20:43,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:20:43,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:20:43,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:20:43,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:20:43,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:20:43,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:20:43,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:20:43,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:20:43,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:20:43,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:20:43,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:20:43,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:20:43,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:20:43,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:20:43,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:20:43,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:20:43,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:20:43,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:20:43,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:20:43,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:20:43,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:20:43,407 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:20:43,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:20:43,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:20:43,409 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:20:43,411 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:20:43,412 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:20:43,412 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:20:43,412 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:20:43,413 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:20:43,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:20:43,415 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:20:43,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:20:43,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:20:43,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:20:43,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:20:43,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:20:43,417 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:20:43,417 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:20:43,418 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:20:43,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:20:43,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:20:43,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:20:43,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:20:43,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:20:43,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:20:43,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:20:43,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:20:43,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:20:43,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:20:43,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:20:43,422 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:20:43,422 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:20:43,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:20:43,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:20:43,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:20:43,424 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_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4f743cc6be4267a21638b2aaf4488875c5d1d37960e5576634d1fd02e8bed4 [2021-11-07 01:20:43,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:20:43,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:20:43,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:20:43,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:20:43,856 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:20:43,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-11-07 01:20:43,941 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/data/357b223bf/a8935e033f6a49c8baf5a22380685a62/FLAGb59954b35 [2021-11-07 01:20:44,493 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:20:44,494 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2021-11-07 01:20:44,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/data/357b223bf/a8935e033f6a49c8baf5a22380685a62/FLAGb59954b35 [2021-11-07 01:20:44,812 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/data/357b223bf/a8935e033f6a49c8baf5a22380685a62 [2021-11-07 01:20:44,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:20:44,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:20:44,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:20:44,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:20:44,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:20:44,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:20:44" (1/1) ... [2021-11-07 01:20:44,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c9e2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:44, skipping insertion in model container [2021-11-07 01:20:44,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:20:44" (1/1) ... [2021-11-07 01:20:44,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:20:44,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:20:45,079 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_a03f5204-c512-487c-86ef-f45e5aa3058b/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-11-07 01:20:45,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:20:45,298 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:20:45,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:20:45,325 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_a03f5204-c512-487c-86ef-f45e5aa3058b/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-11-07 01:20:45,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:20:45,445 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:20:45,457 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_a03f5204-c512-487c-86ef-f45e5aa3058b/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c[1605,1618] [2021-11-07 01:20:45,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:20:45,516 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:20:45,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45 WrapperNode [2021-11-07 01:20:45,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:20:45,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:20:45,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:20:45,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:20:45,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45" (1/1) ... [2021-11-07 01:20:45,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45" (1/1) ... [2021-11-07 01:20:45,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:20:45,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:20:45,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:20:45,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:20:45,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45" (1/1) ... [2021-11-07 01:20:45,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45" (1/1) ... [2021-11-07 01:20:45,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45" (1/1) ... [2021-11-07 01:20:45,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45" (1/1) ... [2021-11-07 01:20:45,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45" (1/1) ... [2021-11-07 01:20:45,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45" (1/1) ... [2021-11-07 01:20:45,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45" (1/1) ... [2021-11-07 01:20:45,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:20:45,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:20:45,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:20:45,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:20:45,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45" (1/1) ... [2021-11-07 01:20:45,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:20:45,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:20:45,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:20:45,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:20:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:20:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:20:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:20:45,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:20:48,109 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:20:48,109 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-11-07 01:20:48,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:20:48 BoogieIcfgContainer [2021-11-07 01:20:48,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:20:48,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:20:48,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:20:48,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:20:48,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:20:44" (1/3) ... [2021-11-07 01:20:48,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:20:48, skipping insertion in model container [2021-11-07 01:20:48,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:20:45" (2/3) ... [2021-11-07 01:20:48,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bcdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:20:48, skipping insertion in model container [2021-11-07 01:20:48,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:20:48" (3/3) ... [2021-11-07 01:20:48,119 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2021-11-07 01:20:48,124 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:20:48,125 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:20:48,170 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:20:48,175 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 [2021-11-07 01:20:48,176 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:20:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 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) [2021-11-07 01:20:48,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:20:48,196 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:48,196 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:48,197 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:48,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:48,202 INFO L85 PathProgramCache]: Analyzing trace with hash -688968604, now seen corresponding path program 1 times [2021-11-07 01:20:48,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:48,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271766815] [2021-11-07 01:20:48,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:48,219 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:48,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:48,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:48,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:20:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:48,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:20:48,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:48,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:48,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:48,628 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:48,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271766815] [2021-11-07 01:20:48,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271766815] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:48,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:48,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:20:48,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877905156] [2021-11-07 01:20:48,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:20:48,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:48,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:20:48,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:20:48,656 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 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) 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) [2021-11-07 01:20:48,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:48,696 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-11-07 01:20:48,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:20:48,704 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 [2021-11-07 01:20:48,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:48,712 INFO L225 Difference]: With dead ends: 144 [2021-11-07 01:20:48,712 INFO L226 Difference]: Without dead ends: 71 [2021-11-07 01:20:48,715 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 [2021-11-07 01:20:48,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-07 01:20:48,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-07 01:20:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 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) [2021-11-07 01:20:48,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-11-07 01:20:48,750 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2021-11-07 01:20:48,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:48,751 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-11-07 01:20:48,751 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) [2021-11-07 01:20:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-11-07 01:20:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:20:48,753 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:48,753 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:20:48,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:48,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:48,961 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:48,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:48,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1599999357, now seen corresponding path program 1 times [2021-11-07 01:20:48,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:48,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978502300] [2021-11-07 01:20:48,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:48,964 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:48,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:48,969 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:48,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:20:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:49,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:20:49,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:49,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:49,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:49,315 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:49,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978502300] [2021-11-07 01:20:49,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978502300] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:49,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:49,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:20:49,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100521934] [2021-11-07 01:20:49,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:20:49,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:49,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:20:49,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:20:49,325 INFO L87 Difference]: Start difference. First operand 71 states and 99 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) [2021-11-07 01:20:49,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:49,352 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-11-07 01:20:49,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:20:49,353 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 [2021-11-07 01:20:49,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:49,355 INFO L225 Difference]: With dead ends: 71 [2021-11-07 01:20:49,355 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:20:49,356 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 [2021-11-07 01:20:49,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:20:49,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:20:49,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2021-11-07 01:20:49,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-11-07 01:20:49,373 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-11-07 01:20:49,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:49,373 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-11-07 01:20:49,373 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) [2021-11-07 01:20:49,373 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-07 01:20:49,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:20:49,374 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:49,374 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] [2021-11-07 01:20:49,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 01:20:49,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:49,575 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:49,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:49,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1180040056, now seen corresponding path program 1 times [2021-11-07 01:20:49,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:49,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225618128] [2021-11-07 01:20:49,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:49,577 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:49,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:49,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:49,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:20:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:49,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:20:49,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:49,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:49,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:49,928 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:49,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225618128] [2021-11-07 01:20:49,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225618128] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:49,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:49,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:20:49,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701066637] [2021-11-07 01:20:49,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:20:49,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:49,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:20:49,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:20:49,934 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:49,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:49,976 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-11-07 01:20:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:20:49,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:20:49,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:49,978 INFO L225 Difference]: With dead ends: 60 [2021-11-07 01:20:49,979 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:20:49,979 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 [2021-11-07 01:20:49,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:20:49,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:20:49,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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) [2021-11-07 01:20:49,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-11-07 01:20:49,988 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-11-07 01:20:49,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:49,988 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-11-07 01:20:49,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:20:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-11-07 01:20:49,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:20:49,992 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:49,992 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] [2021-11-07 01:20:50,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:50,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:50,214 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:50,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:50,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1819191868, now seen corresponding path program 1 times [2021-11-07 01:20:50,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:50,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647061777] [2021-11-07 01:20:50,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:50,215 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:50,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:50,218 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:50,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:20:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:20:50,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:20:50,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:20:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:50,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:20:50,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:20:50,630 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:20:50,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647061777] [2021-11-07 01:20:50,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647061777] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:20:50,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:20:50,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:20:50,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871746752] [2021-11-07 01:20:50,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:20:50,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:20:50,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:20:50,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:20:50,632 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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) [2021-11-07 01:20:50,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:20:50,923 INFO L93 Difference]: Finished difference Result 308 states and 461 transitions. [2021-11-07 01:20:50,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 01:20:50,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:20:50,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:20:50,931 INFO L225 Difference]: With dead ends: 308 [2021-11-07 01:20:50,931 INFO L226 Difference]: Without dead ends: 281 [2021-11-07 01:20:50,937 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:20:50,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-11-07 01:20:50,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 78. [2021-11-07 01:20:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 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) [2021-11-07 01:20:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2021-11-07 01:20:50,970 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 25 [2021-11-07 01:20:50,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:20:50,971 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2021-11-07 01:20:50,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 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) [2021-11-07 01:20:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-11-07 01:20:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:20:50,973 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:20:50,973 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] [2021-11-07 01:20:50,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:51,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:51,177 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:20:51,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:20:51,178 INFO L85 PathProgramCache]: Analyzing trace with hash 516466438, now seen corresponding path program 1 times [2021-11-07 01:20:51,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:20:51,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829477110] [2021-11-07 01:20:51,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:20:51,179 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:20:51,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:20:51,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:20:51,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:20:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:20:52,204 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:20:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:20:53,301 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 01:20:53,302 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:20:53,303 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:20:53,304 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:20:53,305 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:20:53,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:20:53,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:20:53,536 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:20:53,539 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:20:53,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:20:53 BoogieIcfgContainer [2021-11-07 01:20:53,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:20:53,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:20:53,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:20:53,654 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:20:53,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:20:48" (3/4) ... [2021-11-07 01:20:53,656 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 01:20:53,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:20:53,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:20:53,784 INFO L168 Benchmark]: Toolchain (without parser) took 8964.90 ms. Allocated memory was 56.6 MB in the beginning and 100.7 MB in the end (delta: 44.0 MB). Free memory was 33.3 MB in the beginning and 33.7 MB in the end (delta: -425.8 kB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:53,785 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory was 37.4 MB in the beginning and 37.3 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:20:53,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.96 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 33.1 MB in the beginning and 48.2 MB in the end (delta: -15.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:53,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.40 ms. Allocated memory is still 79.7 MB. Free memory was 48.2 MB in the beginning and 45.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:53,793 INFO L168 Benchmark]: Boogie Preprocessor took 73.65 ms. Allocated memory is still 79.7 MB. Free memory was 45.1 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:53,794 INFO L168 Benchmark]: RCFGBuilder took 2414.50 ms. Allocated memory is still 79.7 MB. Free memory was 42.8 MB in the beginning and 58.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:53,794 INFO L168 Benchmark]: TraceAbstraction took 5539.84 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 58.1 MB in the beginning and 44.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:53,795 INFO L168 Benchmark]: Witness Printer took 129.23 ms. Allocated memory is still 100.7 MB. Free memory was 44.6 MB in the beginning and 33.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:20:53,804 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory was 37.4 MB in the beginning and 37.3 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 697.96 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 33.1 MB in the beginning and 48.2 MB in the end (delta: -15.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.40 ms. Allocated memory is still 79.7 MB. Free memory was 48.2 MB in the beginning and 45.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.65 ms. Allocated memory is still 79.7 MB. Free memory was 45.1 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2414.50 ms. Allocated memory is still 79.7 MB. Free memory was 42.8 MB in the beginning and 58.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5539.84 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 58.1 MB in the beginning and 44.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * Witness Printer took 129.23 ms. Allocated memory is still 100.7 MB. Free memory was 44.6 MB in the beginning and 33.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 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 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L106] int pumpRunning = 0; [L107] int systemActive = 1; [L319] int waterLevel = 1; [L320] int methaneLevelCritical = 0; [L399] int cleanupTimeShifts = 4; [L664] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L472] int retValue_acc ; [L473] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L479] tmp = valid_product() [L481] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L252] int splverifierCounter ; [L253] int tmp ; [L254] int tmp___0 ; [L255] int tmp___1 ; [L256] int tmp___2 ; [L259] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L261] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L269] tmp = __VERIFIER_nondet_int() [L271] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L337] COND TRUE waterLevel < 2 [L338] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L279] tmp___0 = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L289] tmp___2 = __VERIFIER_nondet_int() [L291] COND TRUE \read(tmp___2) [L243] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L121] COND TRUE \read(systemActive) [L143] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L146] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L862] int tmp ; [L863] int tmp___0 ; [L864] int tmp___1 ; [L358] int retValue_acc ; [L361] retValue_acc = methaneLevelCritical [L362] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L868] tmp = isMethaneLevelCritical() [L870] COND FALSE !(\read(tmp)) [L390] int retValue_acc ; [L393] retValue_acc = waterLevel [L394] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L874] tmp___0 = getWaterLevel() [L876] COND TRUE tmp___0 == 2 [L195] int retValue_acc ; [L198] retValue_acc = pumpRunning [L199] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L878] tmp___1 = isPumpRunning() [L880] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L54] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 489 SDslu, 455 SDs, 0 SdLazy, 87 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 4 MinimizatonAttempts, 203 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 SizeOfPredicates, 4 NumberOfNonLiveVariables, 792 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 RESULT: Ultimate proved your program to be incorrect! [2021-11-07 01:20:53,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03f5204-c512-487c-86ef-f45e5aa3058b/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE