./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:26:43,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:26:43,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:26:43,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:26:43,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:26:43,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:26:43,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:26:43,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:26:43,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:26:43,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:26:43,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:26:43,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:26:43,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:26:43,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:26:43,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:26:43,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:26:43,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:26:43,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:26:43,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:26:43,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:26:43,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:26:43,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:26:43,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:26:43,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:26:43,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:26:43,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:26:43,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:26:43,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:26:43,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:26:43,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:26:43,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:26:43,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:26:43,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:26:43,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:26:43,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:26:43,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:26:43,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:26:43,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:26:43,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:26:43,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:26:43,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:26:43,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:26:43,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:26:43,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:26:43,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:26:43,341 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:26:43,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:26:43,342 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:26:43,342 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:26:43,342 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:26:43,342 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:26:43,343 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:26:43,344 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:26:43,344 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:26:43,344 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:26:43,345 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:26:43,345 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:26:43,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:26:43,346 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:26:43,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:26:43,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:26:43,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:26:43,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:26:43,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:26:43,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:26:43,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:26:43,348 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:26:43,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:26:43,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:26:43,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:26:43,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:26:43,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:26:43,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:26:43,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:26:43,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:26:43,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:26:43,351 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:26:43,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:26:43,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:26:43,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:26:43,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:26:43,352 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_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 [2021-10-29 05:26:43,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:26:43,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:26:43,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:26:43,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:26:43,704 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:26:43,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2021-10-29 05:26:43,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/data/0dc0d6d8a/4537f727c294499ca016412c98fc7ab5/FLAGec8ea0241 [2021-10-29 05:26:44,459 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:26:44,460 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2021-10-29 05:26:44,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/data/0dc0d6d8a/4537f727c294499ca016412c98fc7ab5/FLAGec8ea0241 [2021-10-29 05:26:44,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/data/0dc0d6d8a/4537f727c294499ca016412c98fc7ab5 [2021-10-29 05:26:44,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:26:44,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:26:44,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:26:44,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:26:44,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:26:44,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:26:44" (1/1) ... [2021-10-29 05:26:44,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9a92ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:44, skipping insertion in model container [2021-10-29 05:26:44,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:26:44" (1/1) ... [2021-10-29 05:26:44,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:26:44,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:26:45,146 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_484a2e84-e4c1-4abb-87bb-3fffaa699c00/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c[13019,13032] [2021-10-29 05:26:45,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:26:45,222 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:26:45,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@206df8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:45, skipping insertion in model container [2021-10-29 05:26:45,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:26:45,224 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:26:45,228 INFO L168 Benchmark]: Toolchain (without parser) took 485.63 ms. Allocated memory is still 90.2 MB. Free memory was 68.7 MB in the beginning and 63.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:26:45,229 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:26:45,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.10 ms. Allocated memory is still 90.2 MB. Free memory was 68.5 MB in the beginning and 63.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:26:45,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 483.10 ms. Allocated memory is still 90.2 MB. Free memory was 68.5 MB in the beginning and 63.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 116]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:26:47,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:26:47,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:26:47,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:26:47,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:26:47,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:26:47,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:26:47,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:26:47,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:26:47,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:26:47,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:26:47,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:26:47,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:26:47,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:26:47,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:26:47,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:26:47,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:26:47,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:26:48,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:26:48,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:26:48,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:26:48,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:26:48,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:26:48,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:26:48,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:26:48,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:26:48,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:26:48,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:26:48,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:26:48,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:26:48,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:26:48,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:26:48,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:26:48,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:26:48,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:26:48,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:26:48,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:26:48,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:26:48,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:26:48,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:26:48,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:26:48,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:26:48,112 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:26:48,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:26:48,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:26:48,114 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:26:48,115 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:26:48,115 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:26:48,115 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:26:48,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:26:48,116 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:26:48,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:26:48,122 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:26:48,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:26:48,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:26:48,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:26:48,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:26:48,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:26:48,127 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:26:48,127 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:26:48,128 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:26:48,128 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:26:48,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:26:48,129 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:26:48,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:26:48,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:26:48,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:26:48,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:26:48,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:26:48,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:26:48,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:26:48,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:26:48,132 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:26:48,132 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:26:48,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:26:48,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:26:48,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:26:48,134 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_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 [2021-10-29 05:26:48,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:26:48,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:26:48,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:26:48,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:26:48,637 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:26:48,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2021-10-29 05:26:48,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/data/3602f9121/c6a84933ec614f01ae148e39bcdcba7f/FLAGe18d00210 [2021-10-29 05:26:49,464 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:26:49,465 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2021-10-29 05:26:49,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/data/3602f9121/c6a84933ec614f01ae148e39bcdcba7f/FLAGe18d00210 [2021-10-29 05:26:49,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/data/3602f9121/c6a84933ec614f01ae148e39bcdcba7f [2021-10-29 05:26:49,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:26:49,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:26:49,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:26:49,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:26:49,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:26:49,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:26:49" (1/1) ... [2021-10-29 05:26:49,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b46e96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:49, skipping insertion in model container [2021-10-29 05:26:49,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:26:49" (1/1) ... [2021-10-29 05:26:49,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:26:49,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:26:50,370 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_484a2e84-e4c1-4abb-87bb-3fffaa699c00/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c[13019,13032] [2021-10-29 05:26:50,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:26:50,442 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:26:50,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:26:50,534 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_484a2e84-e4c1-4abb-87bb-3fffaa699c00/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c[13019,13032] [2021-10-29 05:26:50,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:26:50,568 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:26:50,628 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_484a2e84-e4c1-4abb-87bb-3fffaa699c00/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c[13019,13032] [2021-10-29 05:26:50,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:26:50,685 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:26:50,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50 WrapperNode [2021-10-29 05:26:50,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:26:50,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:26:50,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:26:50,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:26:50,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50" (1/1) ... [2021-10-29 05:26:50,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50" (1/1) ... [2021-10-29 05:26:50,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:26:50,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:26:50,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:26:50,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:26:50,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50" (1/1) ... [2021-10-29 05:26:50,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50" (1/1) ... [2021-10-29 05:26:50,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50" (1/1) ... [2021-10-29 05:26:50,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50" (1/1) ... [2021-10-29 05:26:50,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50" (1/1) ... [2021-10-29 05:26:50,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50" (1/1) ... [2021-10-29 05:26:50,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50" (1/1) ... [2021-10-29 05:26:50,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:26:50,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:26:50,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:26:50,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:26:50,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50" (1/1) ... [2021-10-29 05:26:50,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:26:50,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:26:50,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:26:50,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:26:51,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:26:51,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:26:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:26:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:26:54,055 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:26:54,057 INFO L299 CfgBuilder]: Removed 108 assume(true) statements. [2021-10-29 05:26:54,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:26:54 BoogieIcfgContainer [2021-10-29 05:26:54,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:26:54,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:26:54,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:26:54,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:26:54,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:26:49" (1/3) ... [2021-10-29 05:26:54,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e75396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:26:54, skipping insertion in model container [2021-10-29 05:26:54,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:26:50" (2/3) ... [2021-10-29 05:26:54,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e75396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:26:54, skipping insertion in model container [2021-10-29 05:26:54,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:26:54" (3/3) ... [2021-10-29 05:26:54,074 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product08.cil.c [2021-10-29 05:26:54,082 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:26:54,082 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:26:54,160 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:26:54,168 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:26:54,169 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:26:54,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:26:54,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:26:54,205 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:26:54,206 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:26:54,206 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:26:54,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:26:54,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1926736589, now seen corresponding path program 1 times [2021-10-29 05:26:54,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:26:54,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014980260] [2021-10-29 05:26:54,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:26:54,227 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:26:54,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:26:54,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:26:54,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:26:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:26:54,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:26:54,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:26:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:26:54,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:26:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:26:54,830 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:26:54,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014980260] [2021-10-29 05:26:54,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014980260] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:26:54,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:26:54,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:26:54,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026106439] [2021-10-29 05:26:54,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:26:54,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:26:54,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:26:54,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:26:54,866 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:26:54,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:26:54,897 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-29 05:26:54,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:26:54,899 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 05:26:54,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:26:54,911 INFO L225 Difference]: With dead ends: 148 [2021-10-29 05:26:54,912 INFO L226 Difference]: Without dead ends: 73 [2021-10-29 05:26:54,915 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:26:54,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-29 05:26:54,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-29 05:26:54,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:26:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-29 05:26:54,964 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2021-10-29 05:26:54,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:26:54,965 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-29 05:26:54,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:26:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-29 05:26:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:26:54,967 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:26:54,968 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:26:54,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:26:55,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:26:55,191 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:26:55,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:26:55,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1015705836, now seen corresponding path program 1 times [2021-10-29 05:26:55,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:26:55,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964371689] [2021-10-29 05:26:55,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:26:55,197 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:26:55,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:26:55,198 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:26:55,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:26:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:26:55,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:26:55,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:26:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:26:55,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:26:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:26:55,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:26:55,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964371689] [2021-10-29 05:26:55,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964371689] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:26:55,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:26:55,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:26:55,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948486160] [2021-10-29 05:26:55,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:26:55,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:26:55,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:26:55,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:26:55,638 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:26:55,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:26:55,672 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-29 05:26:55,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:26:55,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 05:26:55,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:26:55,675 INFO L225 Difference]: With dead ends: 73 [2021-10-29 05:26:55,675 INFO L226 Difference]: Without dead ends: 35 [2021-10-29 05:26:55,676 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:26:55,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-29 05:26:55,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-29 05:26:55,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:26:55,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-29 05:26:55,695 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-29 05:26:55,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:26:55,695 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-29 05:26:55,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:26:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-29 05:26:55,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:26:55,699 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:26:55,705 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:26:55,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:26:55,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:26:55,911 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:26:55,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:26:55,911 INFO L85 PathProgramCache]: Analyzing trace with hash 428358184, now seen corresponding path program 1 times [2021-10-29 05:26:55,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:26:55,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420838284] [2021-10-29 05:26:55,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:26:55,913 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:26:55,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:26:55,915 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:26:55,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:26:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:26:56,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:26:56,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:26:56,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:26:56,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:26:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:26:56,407 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:26:56,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420838284] [2021-10-29 05:26:56,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420838284] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:26:56,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:26:56,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:26:56,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282015211] [2021-10-29 05:26:56,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:26:56,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:26:56,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:26:56,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:26:56,412 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:26:56,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:26:56,485 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2021-10-29 05:26:56,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:26:56,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 05:26:56,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:26:56,491 INFO L225 Difference]: With dead ends: 118 [2021-10-29 05:26:56,492 INFO L226 Difference]: Without dead ends: 89 [2021-10-29 05:26:56,493 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:26:56,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-29 05:26:56,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 56. [2021-10-29 05:26:56,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 55 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:26:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2021-10-29 05:26:56,518 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2021-10-29 05:26:56,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:26:56,519 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2021-10-29 05:26:56,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:26:56,521 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-10-29 05:26:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 05:26:56,524 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:26:56,524 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] [2021-10-29 05:26:56,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:26:56,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:26:56,740 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:26:56,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:26:56,741 INFO L85 PathProgramCache]: Analyzing trace with hash 796513325, now seen corresponding path program 1 times [2021-10-29 05:26:56,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:26:56,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768971737] [2021-10-29 05:26:56,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:26:56,742 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:26:56,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:26:56,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:26:56,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:26:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:26:56,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:26:56,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:26:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:26:57,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:26:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:26:57,310 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:26:57,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768971737] [2021-10-29 05:26:57,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768971737] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:26:57,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:26:57,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:26:57,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531244733] [2021-10-29 05:26:57,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:26:57,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:26:57,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:26:57,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:26:57,314 INFO L87 Difference]: Start difference. First operand 56 states and 81 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) [2021-10-29 05:26:57,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:26:57,783 INFO L93 Difference]: Finished difference Result 570 states and 876 transitions. [2021-10-29 05:26:57,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 05:26:57,784 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 [2021-10-29 05:26:57,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:26:57,793 INFO L225 Difference]: With dead ends: 570 [2021-10-29 05:26:57,793 INFO L226 Difference]: Without dead ends: 520 [2021-10-29 05:26:57,795 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:26:57,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-10-29 05:26:57,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 142. [2021-10-29 05:26:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.4539007092198581) internal successors, (205), 141 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:26:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 205 transitions. [2021-10-29 05:26:57,853 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 205 transitions. Word has length 25 [2021-10-29 05:26:57,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:26:57,854 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 205 transitions. [2021-10-29 05:26:57,854 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) [2021-10-29 05:26:57,854 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 205 transitions. [2021-10-29 05:26:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:26:57,861 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:26:57,861 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:26:57,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:26:58,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:26:58,077 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:26:58,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:26:58,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1162795665, now seen corresponding path program 1 times [2021-10-29 05:26:58,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:26:58,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [685637062] [2021-10-29 05:26:58,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:26:58,079 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:26:58,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:26:58,080 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:26:58,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:26:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:26:59,691 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:27:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:27:01,371 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-29 05:27:01,371 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:27:01,373 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:27:01,375 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:27:01,376 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:27:01,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:27:01,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:27:01,591 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 05:27:01,596 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:27:01,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:27:01 BoogieIcfgContainer [2021-10-29 05:27:01,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:27:01,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:27:01,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:27:01,770 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:27:01,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:26:54" (3/4) ... [2021-10-29 05:27:01,776 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:27:01,928 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:27:01,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:27:01,931 INFO L168 Benchmark]: Toolchain (without parser) took 12146.19 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 46.9 MB in the beginning and 85.4 MB in the end (delta: -38.5 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:01,931 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 81.8 MB. Free memory was 64.2 MB in the beginning and 64.1 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:27:01,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 901.48 ms. Allocated memory is still 81.8 MB. Free memory was 46.7 MB in the beginning and 42.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:01,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.70 ms. Allocated memory is still 81.8 MB. Free memory was 42.1 MB in the beginning and 39.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:01,934 INFO L168 Benchmark]: Boogie Preprocessor took 109.50 ms. Allocated memory is still 81.8 MB. Free memory was 39.2 MB in the beginning and 64.6 MB in the end (delta: -25.4 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:01,935 INFO L168 Benchmark]: RCFGBuilder took 3152.94 ms. Allocated memory is still 81.8 MB. Free memory was 64.3 MB in the beginning and 42.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:01,935 INFO L168 Benchmark]: TraceAbstraction took 7703.11 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 41.6 MB in the beginning and 45.7 MB in the end (delta: -4.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:01,936 INFO L168 Benchmark]: Witness Printer took 159.17 ms. Allocated memory is still 113.2 MB. Free memory was 45.7 MB in the beginning and 85.4 MB in the end (delta: -39.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:27:01,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 81.8 MB. Free memory was 64.2 MB in the beginning and 64.1 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 901.48 ms. Allocated memory is still 81.8 MB. Free memory was 46.7 MB in the beginning and 42.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.70 ms. Allocated memory is still 81.8 MB. Free memory was 42.1 MB in the beginning and 39.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.50 ms. Allocated memory is still 81.8 MB. Free memory was 39.2 MB in the beginning and 64.6 MB in the end (delta: -25.4 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3152.94 ms. Allocated memory is still 81.8 MB. Free memory was 64.3 MB in the beginning and 42.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7703.11 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 41.6 MB in the beginning and 45.7 MB in the end (delta: -4.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * Witness Printer took 159.17 ms. Allocated memory is still 113.2 MB. Free memory was 45.7 MB in the beginning and 85.4 MB in the end (delta: -39.8 MB). Peak memory consumption was 8.4 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: 542]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L817] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] int retValue_acc ; [L891] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int retValue_acc ; [L811] retValue_acc = 1 [L812] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L897] tmp = valid_product() [L899] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L552] int splverifierCounter ; [L553] int tmp ; [L554] int tmp___0 ; [L555] int tmp___1 ; [L556] int tmp___2 ; [L559] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L561] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L563] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L569] tmp = __VERIFIER_nondet_int() [L571] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L476] COND TRUE waterLevel < 2 [L477] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L579] tmp___0 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L589] tmp___2 = __VERIFIER_nondet_int() [L591] COND TRUE \read(tmp___2) [L774] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L630] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L637] COND TRUE \read(systemActive) [L659] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L662] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L67] tmp___0 = getWaterLevel() [L69] COND TRUE tmp___0 == 2 [L711] int retValue_acc ; [L714] retValue_acc = pumpRunning [L715] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L71] tmp___1 = isPumpRunning() [L73] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L542] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 542]: 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: 542]: 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, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 282 SDtfs, 647 SDslu, 632 SDs, 0 SdLazy, 104 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 411 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 1.0s 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! [2021-10-29 05:27:02,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484a2e84-e4c1-4abb-87bb-3fffaa699c00/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...