./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8 --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 0b82b0f998a9d26b358f90a637412c0e37109780 ............................................................................................................................................ 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_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8 --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 0b82b0f998a9d26b358f90a637412c0e37109780 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:51:38,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:51:38,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:51:38,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:51:38,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:51:38,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:51:38,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:51:38,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:51:38,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:51:38,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:51:38,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:51:38,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:51:38,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:51:38,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:51:38,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:51:38,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:51:38,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:51:38,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:51:38,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:51:38,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:51:38,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:51:38,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:51:38,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:51:38,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:51:38,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:51:38,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:51:38,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:51:38,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:51:38,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:51:38,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:51:38,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:51:38,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:51:38,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:51:38,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:51:38,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:51:38,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:51:38,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:51:38,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:51:38,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:51:38,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:51:38,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:51:38,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:51:38,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:51:38,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:51:38,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:51:38,287 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:51:38,287 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:51:38,287 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:51:38,287 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:51:38,288 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:51:38,288 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:51:38,288 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:51:38,295 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:51:38,295 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:51:38,295 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:51:38,296 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:51:38,296 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:51:38,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:51:38,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:51:38,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:51:38,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:51:38,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:51:38,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:51:38,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:51:38,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:51:38,298 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:51:38,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:51:38,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:51:38,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:51:38,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:51:38,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:51:38,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:51:38,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:38,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:51:38,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:51:38,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:51:38,301 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:51:38,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:51:38,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:51:38,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:51:38,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:51:38,302 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_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b82b0f998a9d26b358f90a637412c0e37109780 [2021-10-13 07:51:38,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:51:38,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:51:38,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:51:38,587 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:51:38,588 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:51:38,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-10-13 07:51:38,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/data/a78480b14/6d3bd4532ec64ea28b2325a5cd96d17d/FLAG74cbc20e7 [2021-10-13 07:51:39,267 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:51:39,267 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-10-13 07:51:39,277 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/data/a78480b14/6d3bd4532ec64ea28b2325a5cd96d17d/FLAG74cbc20e7 [2021-10-13 07:51:39,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/data/a78480b14/6d3bd4532ec64ea28b2325a5cd96d17d [2021-10-13 07:51:39,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:51:39,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:51:39,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:39,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:51:39,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:51:39,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:39" (1/1) ... [2021-10-13 07:51:39,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e4563b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:39, skipping insertion in model container [2021-10-13 07:51:39,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:39" (1/1) ... [2021-10-13 07:51:39,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:51:39,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:39,991 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_86168801-6cd8-4cbc-830d-216cf99d068c/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16123,16136] [2021-10-13 07:51:40,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:40,016 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) [2021-10-13 07:51:40,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33af6af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:40, skipping insertion in model container [2021-10-13 07:51:40,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:40,017 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:51:40,019 INFO L168 Benchmark]: Toolchain (without parser) took 444.74 ms. Allocated memory is still 117.4 MB. Free memory was 78.6 MB in the beginning and 88.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:40,020 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 117.4 MB. Free memory is still 95.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:40,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.74 ms. Allocated memory is still 117.4 MB. Free memory was 78.4 MB in the beginning and 88.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:40,022 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 117.4 MB. Free memory is still 95.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 429.74 ms. Allocated memory is still 117.4 MB. Free memory was 78.4 MB in the beginning and 88.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 450]: 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-4e77c04 [2021-10-13 07:51:42,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:51:42,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:51:42,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:51:42,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:51:42,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:51:42,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:51:42,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:51:42,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:51:42,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:51:42,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:51:42,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:51:42,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:51:42,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:51:42,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:51:42,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:51:42,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:51:42,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:51:42,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:51:42,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:51:42,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:51:42,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:51:42,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:51:42,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:51:42,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:51:42,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:51:42,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:51:42,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:51:42,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:51:42,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:51:42,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:51:42,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:51:42,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:51:42,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:51:42,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:51:42,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:51:42,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:51:42,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:51:42,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:51:42,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:51:42,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:51:42,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:51:42,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:51:42,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:51:42,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:51:42,420 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:51:42,420 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:51:42,420 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:51:42,421 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:51:42,421 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:51:42,421 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:51:42,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:51:42,424 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:51:42,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:51:42,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:51:42,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:51:42,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:51:42,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:51:42,425 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:51:42,425 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:51:42,425 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:51:42,426 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:51:42,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:51:42,426 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:51:42,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:51:42,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:51:42,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:51:42,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:51:42,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:42,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:51:42,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:51:42,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:51:42,428 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:51:42,428 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:51:42,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:51:42,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:51:42,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:51:42,430 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_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b82b0f998a9d26b358f90a637412c0e37109780 [2021-10-13 07:51:42,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:51:42,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:51:42,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:51:42,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:51:42,787 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:51:42,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-10-13 07:51:42,857 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/data/43fb50cd1/0f97fb1e2c924914bda44d0418c38204/FLAGc908d9f25 [2021-10-13 07:51:43,394 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:51:43,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-10-13 07:51:43,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/data/43fb50cd1/0f97fb1e2c924914bda44d0418c38204/FLAGc908d9f25 [2021-10-13 07:51:43,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/data/43fb50cd1/0f97fb1e2c924914bda44d0418c38204 [2021-10-13 07:51:43,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:51:43,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:51:43,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:43,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:51:43,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:51:43,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:43" (1/1) ... [2021-10-13 07:51:43,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe5a169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:43, skipping insertion in model container [2021-10-13 07:51:43,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:43" (1/1) ... [2021-10-13 07:51:43,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:51:43,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:44,069 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16123,16136] [2021-10-13 07:51:44,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:44,101 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:51:44,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:44,215 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_86168801-6cd8-4cbc-830d-216cf99d068c/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16123,16136] [2021-10-13 07:51:44,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:44,237 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:51:44,296 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_86168801-6cd8-4cbc-830d-216cf99d068c/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16123,16136] [2021-10-13 07:51:44,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:44,328 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:51:44,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44 WrapperNode [2021-10-13 07:51:44,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:44,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:51:44,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:51:44,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:51:44,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44" (1/1) ... [2021-10-13 07:51:44,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44" (1/1) ... [2021-10-13 07:51:44,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:51:44,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:51:44,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:51:44,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:51:44,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44" (1/1) ... [2021-10-13 07:51:44,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44" (1/1) ... [2021-10-13 07:51:44,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44" (1/1) ... [2021-10-13 07:51:44,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44" (1/1) ... [2021-10-13 07:51:44,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44" (1/1) ... [2021-10-13 07:51:44,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44" (1/1) ... [2021-10-13 07:51:44,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44" (1/1) ... [2021-10-13 07:51:44,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:51:44,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:51:44,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:51:44,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:51:44,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44" (1/1) ... [2021-10-13 07:51:44,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:44,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:51:44,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:51:44,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:51:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:51:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:51:44,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:51:44,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:51:46,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:51:46,770 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-13 07:51:46,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:46 BoogieIcfgContainer [2021-10-13 07:51:46,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:51:46,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:51:46,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:51:46,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:51:46,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:51:43" (1/3) ... [2021-10-13 07:51:46,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664cc0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:51:46, skipping insertion in model container [2021-10-13 07:51:46,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:44" (2/3) ... [2021-10-13 07:51:46,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664cc0ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:51:46, skipping insertion in model container [2021-10-13 07:51:46,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:46" (3/3) ... [2021-10-13 07:51:46,781 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2021-10-13 07:51:46,786 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:51:46,786 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:51:46,833 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:51:46,839 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 [2021-10-13 07:51:46,839 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:51:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 72 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:46,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 07:51:46,860 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:46,860 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:46,861 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:46,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:46,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1295986076, now seen corresponding path program 1 times [2021-10-13 07:51:46,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:46,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75728761] [2021-10-13 07:51:46,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:46,881 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:46,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:46,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:46,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:51:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:47,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:51:47,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:47,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:47,234 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:47,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75728761] [2021-10-13 07:51:47,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75728761] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:47,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:47,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:51:47,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645814456] [2021-10-13 07:51:47,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:51:47,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:47,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:51:47,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:51:47,256 INFO L87 Difference]: Start difference. First operand has 73 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 72 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-10-13 07:51:47,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:47,277 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2021-10-13 07:51:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:51:47,278 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 [2021-10-13 07:51:47,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:47,288 INFO L225 Difference]: With dead ends: 139 [2021-10-13 07:51:47,288 INFO L226 Difference]: Without dead ends: 69 [2021-10-13 07:51:47,291 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 [2021-10-13 07:51:47,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-13 07:51:47,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-13 07:51:47,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 68 states have internal predecessors, (97), 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) [2021-10-13 07:51:47,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2021-10-13 07:51:47,327 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2021-10-13 07:51:47,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:47,328 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-13 07:51:47,328 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) [2021-10-13 07:51:47,328 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2021-10-13 07:51:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:51:47,330 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:47,330 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:47,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:47,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:47,542 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:47,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:47,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1514822045, now seen corresponding path program 1 times [2021-10-13 07:51:47,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:47,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572549130] [2021-10-13 07:51:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:47,544 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:47,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:47,545 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:47,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:51:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:47,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:51:47,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:47,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:47,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:47,921 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:47,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572549130] [2021-10-13 07:51:47,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572549130] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:47,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:47,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:51:47,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658625080] [2021-10-13 07:51:47,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:51:47,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:47,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:51:47,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:47,925 INFO L87 Difference]: Start difference. First operand 69 states and 97 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) [2021-10-13 07:51:47,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:47,937 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2021-10-13 07:51:47,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:51:47,938 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 [2021-10-13 07:51:47,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:47,939 INFO L225 Difference]: With dead ends: 69 [2021-10-13 07:51:47,939 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 07:51:47,940 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:47,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 07:51:47,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 07:51:47,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-13 07:51:47,945 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-10-13 07:51:47,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:47,945 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-13 07:51:47,946 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) [2021-10-13 07:51:47,946 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-13 07:51:47,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:51:47,947 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:47,947 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] [2021-10-13 07:51:47,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:48,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:48,159 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:48,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:48,160 INFO L82 PathProgramCache]: Analyzing trace with hash 2139510839, now seen corresponding path program 1 times [2021-10-13 07:51:48,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:48,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844110197] [2021-10-13 07:51:48,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:48,161 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:48,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:48,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:48,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:51:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:48,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:51:48,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:48,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:48,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:48,543 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:48,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844110197] [2021-10-13 07:51:48,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844110197] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:48,544 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:48,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:51:48,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176986870] [2021-10-13 07:51:48,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:51:48,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:48,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:51:48,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:48,551 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:48,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:48,593 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2021-10-13 07:51:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:51:48,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 07:51:48,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:48,595 INFO L225 Difference]: With dead ends: 59 [2021-10-13 07:51:48,595 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 07:51:48,595 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:48,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 07:51:48,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 07:51:48,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-13 07:51:48,601 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-10-13 07:51:48,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:48,601 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-13 07:51:48,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-13 07:51:48,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 07:51:48,602 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:48,602 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] [2021-10-13 07:51:48,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:48,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:48,815 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:48,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:48,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1832014585, now seen corresponding path program 1 times [2021-10-13 07:51:48,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:48,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40364607] [2021-10-13 07:51:48,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:48,817 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:48,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:48,818 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:48,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:51:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:49,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:51:49,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:49,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:49,248 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:49,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40364607] [2021-10-13 07:51:49,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40364607] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:49,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:49,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:51:49,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155887721] [2021-10-13 07:51:49,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:51:49,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:49,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:51:49,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:51:49,251 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:49,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:49,372 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2021-10-13 07:51:49,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:51:49,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 07:51:49,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:49,374 INFO L225 Difference]: With dead ends: 135 [2021-10-13 07:51:49,374 INFO L226 Difference]: Without dead ends: 109 [2021-10-13 07:51:49,374 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 55.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:51:49,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-13 07:51:49,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2021-10-13 07:51:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 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) [2021-10-13 07:51:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2021-10-13 07:51:49,390 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2021-10-13 07:51:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:49,390 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2021-10-13 07:51:49,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:49,392 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-10-13 07:51:49,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:51:49,393 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:49,393 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:49,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:49,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:49,606 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:49,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:49,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1937784689, now seen corresponding path program 1 times [2021-10-13 07:51:49,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:49,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116729930] [2021-10-13 07:51:49,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:49,607 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:49,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:49,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:49,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:51:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:49,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:51:49,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:49,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:49,984 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:49,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116729930] [2021-10-13 07:51:49,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116729930] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:49,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:49,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:51:49,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341916111] [2021-10-13 07:51:49,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:51:49,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:49,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:51:49,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:51:49,999 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:50,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:50,098 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2021-10-13 07:51:50,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:51:50,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 07:51:50,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:50,100 INFO L225 Difference]: With dead ends: 146 [2021-10-13 07:51:50,100 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:51:50,103 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:51:50,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:51:50,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:51:50,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:50,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:51:50,105 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-13 07:51:50,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:50,105 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:51:50,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:50,106 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:51:50,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:51:50,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:51:50,110 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:51:50,110 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:51:50,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:50,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:50,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:51:50,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:50,633 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 792) no Hoare annotation was computed. [2021-10-13 07:51:50,633 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 816) no Hoare annotation was computed. [2021-10-13 07:51:50,633 INFO L857 garLoopResultBuilder]: For program point L812-1(lines 167 173) no Hoare annotation was computed. [2021-10-13 07:51:50,633 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:51:50,633 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 417) no Hoare annotation was computed. [2021-10-13 07:51:50,634 INFO L853 garLoopResultBuilder]: At program point L400-1(lines 1 892) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,634 INFO L857 garLoopResultBuilder]: For program point L400-2(lines 400 417) no Hoare annotation was computed. [2021-10-13 07:51:50,634 INFO L853 garLoopResultBuilder]: At program point L400-3(lines 1 892) the Hoare annotation is: false [2021-10-13 07:51:50,634 INFO L857 garLoopResultBuilder]: For program point L400-4(lines 400 417) no Hoare annotation was computed. [2021-10-13 07:51:50,634 INFO L853 garLoopResultBuilder]: At program point L400-5(lines 1 892) the Hoare annotation is: false [2021-10-13 07:51:50,634 INFO L853 garLoopResultBuilder]: At program point L252(lines 247 255) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,634 INFO L853 garLoopResultBuilder]: At program point L252-1(lines 247 255) the Hoare annotation is: false [2021-10-13 07:51:50,635 INFO L853 garLoopResultBuilder]: At program point L252-2(lines 247 255) the Hoare annotation is: false [2021-10-13 07:51:50,635 INFO L857 garLoopResultBuilder]: For program point L880(lines 880 887) no Hoare annotation was computed. [2021-10-13 07:51:50,635 INFO L860 garLoopResultBuilder]: At program point L880-1(lines 880 887) the Hoare annotation is: true [2021-10-13 07:51:50,635 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 211) no Hoare annotation was computed. [2021-10-13 07:51:50,635 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 203 211) no Hoare annotation was computed. [2021-10-13 07:51:50,635 INFO L857 garLoopResultBuilder]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2021-10-13 07:51:50,635 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 111) no Hoare annotation was computed. [2021-10-13 07:51:50,636 INFO L853 garLoopResultBuilder]: At program point L105-1(lines 105 111) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,636 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 324) no Hoare annotation was computed. [2021-10-13 07:51:50,636 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 414) no Hoare annotation was computed. [2021-10-13 07:51:50,636 INFO L857 garLoopResultBuilder]: For program point L404-2(lines 404 414) no Hoare annotation was computed. [2021-10-13 07:51:50,636 INFO L857 garLoopResultBuilder]: For program point L404-4(lines 404 414) no Hoare annotation was computed. [2021-10-13 07:51:50,636 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:51:50,636 INFO L857 garLoopResultBuilder]: For program point L405(lines 405 411) no Hoare annotation was computed. [2021-10-13 07:51:50,637 INFO L857 garLoopResultBuilder]: For program point L405-2(lines 405 411) no Hoare annotation was computed. [2021-10-13 07:51:50,637 INFO L857 garLoopResultBuilder]: For program point L405-4(lines 405 411) no Hoare annotation was computed. [2021-10-13 07:51:50,637 INFO L853 garLoopResultBuilder]: At program point L174(lines 174 180) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,637 INFO L853 garLoopResultBuilder]: At program point L174-1(lines 174 180) the Hoare annotation is: false [2021-10-13 07:51:50,637 INFO L853 garLoopResultBuilder]: At program point L174-2(lines 174 180) the Hoare annotation is: false [2021-10-13 07:51:50,637 INFO L853 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,637 INFO L853 garLoopResultBuilder]: At program point L389(lines 384 391) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,638 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 138) no Hoare annotation was computed. [2021-10-13 07:51:50,638 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 792) no Hoare annotation was computed. [2021-10-13 07:51:50,638 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-10-13 07:51:50,638 INFO L857 garLoopResultBuilder]: For program point L308-3(lines 308 312) no Hoare annotation was computed. [2021-10-13 07:51:50,638 INFO L853 garLoopResultBuilder]: At program point L143(lines 94 144) the Hoare annotation is: false [2021-10-13 07:51:50,638 INFO L857 garLoopResultBuilder]: For program point L308-6(lines 308 312) no Hoare annotation was computed. [2021-10-13 07:51:50,638 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:51:50,639 INFO L853 garLoopResultBuilder]: At program point L243(lines 236 246) the Hoare annotation is: false [2021-10-13 07:51:50,639 INFO L853 garLoopResultBuilder]: At program point L243-1(lines 236 246) the Hoare annotation is: false [2021-10-13 07:51:50,639 INFO L853 garLoopResultBuilder]: At program point L243-2(lines 236 246) the Hoare annotation is: false [2021-10-13 07:51:50,639 INFO L857 garLoopResultBuilder]: For program point L96(lines 95 142) no Hoare annotation was computed. [2021-10-13 07:51:50,639 INFO L860 garLoopResultBuilder]: At program point L889(lines 870 892) the Hoare annotation is: true [2021-10-13 07:51:50,639 INFO L853 garLoopResultBuilder]: At program point L856(lines 852 858) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,639 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 101) no Hoare annotation was computed. [2021-10-13 07:51:50,640 INFO L853 garLoopResultBuilder]: At program point L345(lines 340 348) the Hoare annotation is: false [2021-10-13 07:51:50,640 INFO L853 garLoopResultBuilder]: At program point L345-1(lines 340 348) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,640 INFO L853 garLoopResultBuilder]: At program point L345-2(lines 340 348) the Hoare annotation is: false [2021-10-13 07:51:50,640 INFO L853 garLoopResultBuilder]: At program point L345-3(lines 340 348) the Hoare annotation is: false [2021-10-13 07:51:50,640 INFO L853 garLoopResultBuilder]: At program point L345-4(lines 340 348) the Hoare annotation is: false [2021-10-13 07:51:50,640 INFO L853 garLoopResultBuilder]: At program point L345-5(lines 340 348) the Hoare annotation is: false [2021-10-13 07:51:50,640 INFO L853 garLoopResultBuilder]: At program point L808-2(lines 808 822) the Hoare annotation is: false [2021-10-13 07:51:50,641 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:51:50,641 INFO L857 garLoopResultBuilder]: For program point L792(line 792) no Hoare annotation was computed. [2021-10-13 07:51:50,641 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 792) no Hoare annotation was computed. [2021-10-13 07:51:50,641 INFO L857 garLoopResultBuilder]: For program point L792-1(line 792) no Hoare annotation was computed. [2021-10-13 07:51:50,641 INFO L857 garLoopResultBuilder]: For program point L792-2(line 792) no Hoare annotation was computed. [2021-10-13 07:51:50,641 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 121) no Hoare annotation was computed. [2021-10-13 07:51:50,641 INFO L853 garLoopResultBuilder]: At program point L115-1(lines 115 121) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,642 INFO L857 garLoopResultBuilder]: For program point L809(line 809) no Hoare annotation was computed. [2021-10-13 07:51:50,642 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 216) no Hoare annotation was computed. [2021-10-13 07:51:50,642 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 199 216) no Hoare annotation was computed. [2021-10-13 07:51:50,642 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2021-10-13 07:51:50,642 INFO L857 garLoopResultBuilder]: For program point L199-2(lines 199 216) no Hoare annotation was computed. [2021-10-13 07:51:50,642 INFO L853 garLoopResultBuilder]: At program point L67(lines 1 892) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,642 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 167 173) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,642 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2021-10-13 07:51:50,643 INFO L853 garLoopResultBuilder]: At program point L167(lines 166 185) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:51:50,643 INFO L857 garLoopResultBuilder]: For program point L167-1(lines 167 173) no Hoare annotation was computed. [2021-10-13 07:51:50,643 INFO L853 garLoopResultBuilder]: At program point L167-2(lines 166 185) the Hoare annotation is: false [2021-10-13 07:51:50,645 INFO L853 garLoopResultBuilder]: At program point L167-3(lines 166 185) the Hoare annotation is: false [2021-10-13 07:51:50,649 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:51:50,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:51:50 BoogieIcfgContainer [2021-10-13 07:51:50,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:51:50,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:51:50,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:51:50,666 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:51:50,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:46" (3/4) ... [2021-10-13 07:51:50,669 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:51:50,683 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:51:50,684 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:51:50,685 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:51:50,685 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:51:50,686 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:51:50,687 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:51:50,687 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:51:50,714 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:51:50,758 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:51:50,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:51:50,760 INFO L168 Benchmark]: Toolchain (without parser) took 7064.33 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 52.2 MB in the beginning and 60.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:50,760 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:50,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.53 ms. Allocated memory is still 71.3 MB. Free memory was 52.1 MB in the beginning and 39.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:50,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.30 ms. Allocated memory is still 71.3 MB. Free memory was 39.8 MB in the beginning and 36.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:50,762 INFO L168 Benchmark]: Boogie Preprocessor took 66.99 ms. Allocated memory is still 71.3 MB. Free memory was 36.8 MB in the beginning and 34.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:50,762 INFO L168 Benchmark]: RCFGBuilder took 2277.42 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 34.5 MB in the beginning and 54.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:50,763 INFO L168 Benchmark]: TraceAbstraction took 3891.01 ms. Allocated memory is still 98.6 MB. Free memory was 54.4 MB in the beginning and 67.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:50,763 INFO L168 Benchmark]: Witness Printer took 92.77 ms. Allocated memory is still 98.6 MB. Free memory was 67.0 MB in the beginning and 60.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:50,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 71.3 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 632.53 ms. Allocated memory is still 71.3 MB. Free memory was 52.1 MB in the beginning and 39.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.30 ms. Allocated memory is still 71.3 MB. Free memory was 39.8 MB in the beginning and 36.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.99 ms. Allocated memory is still 71.3 MB. Free memory was 36.8 MB in the beginning and 34.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2277.42 ms. Allocated memory was 71.3 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Free memory was 34.5 MB in the beginning and 54.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3891.01 ms. Allocated memory is still 98.6 MB. Free memory was 54.4 MB in the beginning and 67.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Witness Printer took 92.77 ms. Allocated memory is still 98.6 MB. Free memory was 67.0 MB in the beginning and 60.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 792]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 792]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 792]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3817.8ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 14.4ms, AutomataDifference: 356.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 310.4ms, InitialAbstractionConstructionTime: 10.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 303 SDtfs, 326 SDslu, 261 SDs, 0 SdLazy, 57 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 116.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 105.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 49.8ms AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 143 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1334 FormulaSimplificationTreeSizeReduction, 201.0ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 100.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 118.9ms SsaConstructionTime, 536.1ms SatisfiabilityAnalysisTime, 859.0ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:51:50,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86168801-6cd8-4cbc-830d-216cf99d068c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...