./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3752df516b4da5977be0247db5c03df794bc7d1 ............................................................................................................................................ 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_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3752df516b4da5977be0247db5c03df794bc7d1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-5709675 [2021-10-16 02:26:03,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:26:03,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:26:03,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:26:03,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:26:03,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:26:03,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:26:03,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:26:03,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:26:03,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:26:03,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:26:03,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:26:03,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:26:03,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:26:03,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:26:03,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:26:03,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:26:03,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:26:03,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:26:03,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:26:03,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:26:03,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:26:03,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:26:03,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:26:03,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:26:03,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:26:03,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:26:03,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:26:03,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:26:03,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:26:03,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:26:03,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:26:03,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:26:03,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:26:03,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:26:03,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:26:03,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:26:03,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:26:03,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:26:03,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:26:03,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:26:03,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:26:03,249 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:26:03,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:26:03,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:26:03,251 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:26:03,251 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:26:03,251 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:26:03,252 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:26:03,252 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:26:03,252 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:26:03,253 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:26:03,253 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:26:03,253 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:26:03,253 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:26:03,254 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:26:03,254 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:26:03,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:26:03,255 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:26:03,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:26:03,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:26:03,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:26:03,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:26:03,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:26:03,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:26:03,257 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:26:03,258 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:26:03,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:26:03,258 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:26:03,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:26:03,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:26:03,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:26:03,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:26:03,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:26:03,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:26:03,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:26:03,261 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:26:03,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:26:03,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:26:03,262 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:26:03,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:26:03,262 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_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3752df516b4da5977be0247db5c03df794bc7d1 [2021-10-16 02:26:03,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:26:03,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:26:03,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:26:03,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:26:03,667 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:26:03,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2021-10-16 02:26:03,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/data/8d84e9248/a3d551c7af0840499d1c9ccc8a98a4e2/FLAGdfe054e8e [2021-10-16 02:26:04,423 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:26:04,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2021-10-16 02:26:04,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/data/8d84e9248/a3d551c7af0840499d1c9ccc8a98a4e2/FLAGdfe054e8e [2021-10-16 02:26:04,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/data/8d84e9248/a3d551c7af0840499d1c9ccc8a98a4e2 [2021-10-16 02:26:04,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:26:04,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:26:04,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:26:04,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:26:04,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:26:04,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:26:04" (1/1) ... [2021-10-16 02:26:04,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@828c968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:04, skipping insertion in model container [2021-10-16 02:26:04,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:26:04" (1/1) ... [2021-10-16 02:26:04,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:26:04,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:26:05,091 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_cb197093-0e10-4234-aee8-c6c123440300/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c[16202,16215] [2021-10-16 02:26:05,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:26:05,137 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-16 02:26:05,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6548706a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:05, skipping insertion in model container [2021-10-16 02:26:05,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:26:05,139 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:26:05,142 INFO L168 Benchmark]: Toolchain (without parser) took 459.47 ms. Allocated memory is still 100.7 MB. Free memory was 67.7 MB in the beginning and 72.3 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:26:05,143 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 56.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:26:05,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.02 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 72.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:26:05,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 56.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 448.02 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 72.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 255]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:26:07,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:26:07,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:26:07,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:26:07,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:26:07,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:26:07,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:26:07,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:26:07,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:26:07,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:26:07,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:26:07,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:26:07,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:26:07,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:26:07,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:26:07,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:26:07,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:26:07,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:26:07,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:26:07,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:26:07,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:26:07,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:26:07,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:26:07,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:26:07,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:26:07,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:26:07,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:26:07,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:26:07,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:26:07,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:26:07,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:26:07,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:26:07,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:26:07,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:26:07,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:26:07,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:26:07,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:26:07,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:26:07,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:26:07,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:26:07,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:26:07,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:26:07,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:26:07,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:26:07,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:26:07,655 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:26:07,655 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:26:07,656 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:26:07,656 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:26:07,656 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:26:07,656 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:26:07,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:26:07,659 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:26:07,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:26:07,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:26:07,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:26:07,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:26:07,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:26:07,661 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:26:07,661 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:26:07,661 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:26:07,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:26:07,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:26:07,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:26:07,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:26:07,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:26:07,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:26:07,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:26:07,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:26:07,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:26:07,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:26:07,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:26:07,664 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:26:07,664 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:26:07,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:26:07,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:26:07,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:26:07,666 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_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3752df516b4da5977be0247db5c03df794bc7d1 [2021-10-16 02:26:08,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:26:08,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:26:08,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:26:08,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:26:08,052 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:26:08,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2021-10-16 02:26:08,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/data/6c3295722/779e587f5ac5455b96e10455a3c70ae2/FLAG029732039 [2021-10-16 02:26:08,785 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:26:08,786 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2021-10-16 02:26:08,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/data/6c3295722/779e587f5ac5455b96e10455a3c70ae2/FLAG029732039 [2021-10-16 02:26:09,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/data/6c3295722/779e587f5ac5455b96e10455a3c70ae2 [2021-10-16 02:26:09,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:26:09,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:26:09,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:26:09,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:26:09,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:26:09,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b595de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09, skipping insertion in model container [2021-10-16 02:26:09,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:26:09,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:26:09,333 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_cb197093-0e10-4234-aee8-c6c123440300/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c[16202,16215] [2021-10-16 02:26:09,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:26:09,358 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:26:09,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:26:09,438 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_cb197093-0e10-4234-aee8-c6c123440300/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c[16202,16215] [2021-10-16 02:26:09,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:26:09,463 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:26:09,543 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_cb197093-0e10-4234-aee8-c6c123440300/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c[16202,16215] [2021-10-16 02:26:09,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:26:09,586 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:26:09,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09 WrapperNode [2021-10-16 02:26:09,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:26:09,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:26:09,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:26:09,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:26:09,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:26:09,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:26:09,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:26:09,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:26:09,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:26:09,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:26:09,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:26:09,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:26:09,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09" (1/1) ... [2021-10-16 02:26:09,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:26:09,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:26:09,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:26:09,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:26:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:26:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:26:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:26:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:26:12,126 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:26:12,126 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-10-16 02:26:12,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:26:12 BoogieIcfgContainer [2021-10-16 02:26:12,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:26:12,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:26:12,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:26:12,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:26:12,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:26:09" (1/3) ... [2021-10-16 02:26:12,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7d40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:26:12, skipping insertion in model container [2021-10-16 02:26:12,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:26:09" (2/3) ... [2021-10-16 02:26:12,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7d40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:26:12, skipping insertion in model container [2021-10-16 02:26:12,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:26:12" (3/3) ... [2021-10-16 02:26:12,138 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product11.cil.c [2021-10-16 02:26:12,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:26:12,145 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 02:26:12,203 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:26:12,212 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:26:12,213 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 02:26:12,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 61 states have (on average 1.5737704918032787) internal successors, (96), 64 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-16 02:26:12,259 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:26:12,260 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:26:12,261 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:26:12,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:26:12,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1892552075, now seen corresponding path program 1 times [2021-10-16 02:26:12,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:26:12,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597435722] [2021-10-16 02:26:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:26:12,290 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:26:12,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:26:12,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:26:12,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:26:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:26:12,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:26:12,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:26:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:26:12,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:26:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:26:12,715 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:26:12,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597435722] [2021-10-16 02:26:12,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597435722] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:26:12,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:26:12,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:26:12,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968976920] [2021-10-16 02:26:12,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:26:12,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:26:12,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:26:12,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:26:12,746 INFO L87 Difference]: Start difference. First operand has 65 states, 61 states have (on average 1.5737704918032787) internal successors, (96), 64 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:12,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:26:12,781 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2021-10-16 02:26:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:26:12,783 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-16 02:26:12,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:26:12,794 INFO L225 Difference]: With dead ends: 124 [2021-10-16 02:26:12,794 INFO L226 Difference]: Without dead ends: 61 [2021-10-16 02:26:12,797 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:26:12,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-10-16 02:26:12,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-10-16 02:26:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 60 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:12,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2021-10-16 02:26:12,843 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2021-10-16 02:26:12,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:26:12,843 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2021-10-16 02:26:12,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2021-10-16 02:26:12,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-16 02:26:12,845 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:26:12,846 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:26:12,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:26:13,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:26:13,063 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:26:13,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:26:13,063 INFO L82 PathProgramCache]: Analyzing trace with hash 177187266, now seen corresponding path program 1 times [2021-10-16 02:26:13,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:26:13,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [649134215] [2021-10-16 02:26:13,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:26:13,065 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:26:13,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:26:13,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:26:13,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:26:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:26:13,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:26:13,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:26:13,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:26:13,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:26:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:26:13,554 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:26:13,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [649134215] [2021-10-16 02:26:13,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [649134215] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:26:13,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:26:13,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:26:13,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251520260] [2021-10-16 02:26:13,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:26:13,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:26:13,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:26:13,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:26:13,563 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:13,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:26:13,583 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2021-10-16 02:26:13,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:26:13,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-16 02:26:13,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:26:13,587 INFO L225 Difference]: With dead ends: 61 [2021-10-16 02:26:13,587 INFO L226 Difference]: Without dead ends: 31 [2021-10-16 02:26:13,589 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:26:13,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-16 02:26:13,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-16 02:26:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-16 02:26:13,607 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2021-10-16 02:26:13,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:26:13,607 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-16 02:26:13,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-16 02:26:13,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-16 02:26:13,610 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:26:13,614 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:26:13,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-16 02:26:13,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:26:13,822 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:26:13,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:26:13,823 INFO L82 PathProgramCache]: Analyzing trace with hash 755880693, now seen corresponding path program 1 times [2021-10-16 02:26:13,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:26:13,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308996673] [2021-10-16 02:26:13,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:26:13,824 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:26:13,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:26:13,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:26:13,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:26:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:26:14,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:26:14,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:26:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:26:14,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:26:14,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:26:14,282 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:26:14,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308996673] [2021-10-16 02:26:14,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308996673] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:26:14,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:26:14,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:26:14,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455119513] [2021-10-16 02:26:14,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:26:14,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:26:14,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:26:14,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:26:14,290 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:14,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:26:14,332 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2021-10-16 02:26:14,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:26:14,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-16 02:26:14,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:26:14,336 INFO L225 Difference]: With dead ends: 106 [2021-10-16 02:26:14,336 INFO L226 Difference]: Without dead ends: 81 [2021-10-16 02:26:14,337 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:26:14,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-10-16 02:26:14,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 52. [2021-10-16 02:26:14,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 51 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:14,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-10-16 02:26:14,358 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2021-10-16 02:26:14,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:26:14,359 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-10-16 02:26:14,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:14,360 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-10-16 02:26:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-16 02:26:14,362 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:26:14,362 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:26:14,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:26:14,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:26:14,586 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:26:14,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:26:14,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1883276786, now seen corresponding path program 1 times [2021-10-16 02:26:14,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:26:14,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799489230] [2021-10-16 02:26:14,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:26:14,588 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:26:14,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:26:14,590 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:26:14,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:26:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:26:14,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:26:14,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:26:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:26:14,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:26:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:26:15,059 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:26:15,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [799489230] [2021-10-16 02:26:15,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [799489230] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:26:15,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:26:15,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-16 02:26:15,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834316529] [2021-10-16 02:26:15,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:26:15,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:26:15,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:26:15,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:26:15,062 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:15,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:26:15,370 INFO L93 Difference]: Finished difference Result 506 states and 780 transitions. [2021-10-16 02:26:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-16 02:26:15,370 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-16 02:26:15,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:26:15,375 INFO L225 Difference]: With dead ends: 506 [2021-10-16 02:26:15,375 INFO L226 Difference]: Without dead ends: 460 [2021-10-16 02:26:15,376 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 156.5ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-16 02:26:15,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2021-10-16 02:26:15,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 130. [2021-10-16 02:26:15,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.449612403100775) internal successors, (187), 129 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:15,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2021-10-16 02:26:15,406 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 24 [2021-10-16 02:26:15,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:26:15,406 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2021-10-16 02:26:15,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:26:15,407 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2021-10-16 02:26:15,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-16 02:26:15,408 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:26:15,408 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:26:15,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:26:15,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:26:15,624 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:26:15,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:26:15,624 INFO L82 PathProgramCache]: Analyzing trace with hash -535231376, now seen corresponding path program 1 times [2021-10-16 02:26:15,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:26:15,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694660542] [2021-10-16 02:26:15,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:26:15,625 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:26:15,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:26:15,626 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:26:15,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:26:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:26:16,906 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:26:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:26:18,332 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-16 02:26:18,332 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:26:18,333 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:26:18,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:26:18,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:26:18,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-16 02:26:18,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:26:18,575 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:26:18,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:26:18 BoogieIcfgContainer [2021-10-16 02:26:18,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:26:18,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:26:18,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:26:18,737 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:26:18,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:26:12" (3/4) ... [2021-10-16 02:26:18,744 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-16 02:26:18,862 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:26:18,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:26:18,864 INFO L168 Benchmark]: Toolchain (without parser) took 9827.55 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 39.7 MB in the beginning and 38.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:26:18,865 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:26:18,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.15 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 34.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:26:18,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.13 ms. Allocated memory is still 60.8 MB. Free memory was 34.3 MB in the beginning and 31.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:26:18,866 INFO L168 Benchmark]: Boogie Preprocessor took 63.55 ms. Allocated memory is still 60.8 MB. Free memory was 31.6 MB in the beginning and 29.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:26:18,867 INFO L168 Benchmark]: RCFGBuilder took 2402.66 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 29.6 MB in the beginning and 32.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:26:18,867 INFO L168 Benchmark]: TraceAbstraction took 6605.14 ms. Allocated memory is still 73.4 MB. Free memory was 32.1 MB in the beginning and 48.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:26:18,868 INFO L168 Benchmark]: Witness Printer took 125.36 ms. Allocated memory is still 73.4 MB. Free memory was 48.7 MB in the beginning and 38.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:26:18,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 60.8 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 551.15 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 34.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.13 ms. Allocated memory is still 60.8 MB. Free memory was 34.3 MB in the beginning and 31.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.55 ms. Allocated memory is still 60.8 MB. Free memory was 31.6 MB in the beginning and 29.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2402.66 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 29.6 MB in the beginning and 32.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6605.14 ms. Allocated memory is still 73.4 MB. Free memory was 32.1 MB in the beginning and 48.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Witness Printer took 125.36 ms. Allocated memory is still 73.4 MB. Free memory was 48.7 MB in the beginning and 38.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 809]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L88] int cleanupTimeShifts = 4; [L396] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L814] int waterLevel = 1; [L815] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] int retValue_acc ; [L170] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L176] tmp = valid_product() [L178] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L739] int splverifierCounter ; [L740] int tmp ; [L741] int tmp___0 ; [L742] int tmp___1 ; [L743] int tmp___2 ; [L746] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L748] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L750] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] tmp = __VERIFIER_nondet_int() [L758] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] COND TRUE waterLevel < 2 [L833] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] tmp___0 = __VERIFIER_nondet_int() [L768] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L776] tmp___2 = __VERIFIER_nondet_int() [L778] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L605] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] COND TRUE \read(systemActive) 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 ; [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] 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)) [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] 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 [L678] int retValue_acc ; [L681] retValue_acc = pumpRunning [L682] 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] [L809] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 809]: 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: 809]: 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, 65 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6372.3ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 34.9ms, AutomataDifference: 468.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 240 SDtfs, 564 SDslu, 466 SDs, 0 SdLazy, 90 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 111.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 193.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 99.7ms AutomataMinimizationTime, 4 MinimizatonAttempts, 359 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 137.5ms SsaConstructionTime, 1688.2ms SatisfiabilityAnalysisTime, 904.9ms InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 345 SizeOfPredicates, 4 NumberOfNonLiveVariables, 789 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! [2021-10-16 02:26:18,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb197093-0e10-4234-aee8-c6c123440300/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...