./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a45474bbddd00a02338fe4b16e46d3dadff1b340 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a45474bbddd00a02338fe4b16e46d3dadff1b340 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:52:41,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:52:41,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:52:41,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:52:41,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:52:41,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:52:41,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:52:41,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:52:41,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:52:41,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:52:41,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:52:41,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:52:41,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:52:41,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:52:41,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:52:41,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:52:41,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:52:41,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:52:41,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:52:41,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:52:41,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:52:41,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:52:41,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:52:41,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:52:41,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:52:41,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:52:41,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:52:41,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:52:41,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:52:41,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:52:41,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:52:41,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:52:41,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:52:41,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:52:41,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:52:41,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:52:41,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:52:41,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:52:41,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:52:41,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:52:41,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:52:41,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:52:41,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:52:41,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:52:41,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:52:41,222 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:52:41,222 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:52:41,222 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:52:41,222 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:52:41,222 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:52:41,222 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:52:41,222 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:52:41,222 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:52:41,223 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:52:41,223 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:52:41,223 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:52:41,223 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:52:41,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:52:41,224 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:52:41,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:52:41,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:52:41,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:52:41,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:52:41,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:52:41,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:52:41,224 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:52:41,225 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:52:41,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:52:41,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:52:41,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:52:41,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:52:41,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:52:41,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:52:41,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:52:41,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:52:41,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:52:41,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:52:41,226 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:52:41,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:52:41,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:52:41,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:52:41,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:52:41,226 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan 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(__VERIFIER_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 -> a45474bbddd00a02338fe4b16e46d3dadff1b340 [2019-12-07 13:52:41,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:52:41,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:52:41,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:52:41,337 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:52:41,337 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:52:41,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2019-12-07 13:52:41,382 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/data/bc2eae6d5/888bdcc18d534b5d8a7aa0110dba3efd/FLAGa9bbf2a10 [2019-12-07 13:52:41,821 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:52:41,821 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2019-12-07 13:52:41,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/data/bc2eae6d5/888bdcc18d534b5d8a7aa0110dba3efd/FLAGa9bbf2a10 [2019-12-07 13:52:41,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/data/bc2eae6d5/888bdcc18d534b5d8a7aa0110dba3efd [2019-12-07 13:52:41,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:52:41,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:52:41,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:52:41,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:52:41,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:52:41,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:52:41" (1/1) ... [2019-12-07 13:52:41,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:41, skipping insertion in model container [2019-12-07 13:52:41,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:52:41" (1/1) ... [2019-12-07 13:52:41,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:52:41,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:52:42,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:52:42,121 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) [2019-12-07 13:52:42,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64b2376d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:42, skipping insertion in model container [2019-12-07 13:52:42,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:52:42,122 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:52:42,124 INFO L168 Benchmark]: Toolchain (without parser) took 279.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:42,124 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:52:42,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:42,126 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 452]: 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 0.1.25-f470102 [2019-12-07 13:52:43,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:52:43,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:52:43,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:52:43,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:52:43,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:52:43,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:52:43,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:52:43,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:52:43,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:52:43,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:52:43,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:52:43,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:52:43,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:52:43,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:52:43,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:52:43,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:52:43,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:52:43,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:52:43,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:52:43,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:52:43,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:52:43,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:52:43,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:52:43,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:52:43,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:52:43,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:52:43,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:52:43,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:52:43,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:52:43,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:52:43,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:52:43,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:52:43,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:52:43,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:52:43,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:52:43,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:52:43,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:52:43,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:52:43,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:52:43,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:52:43,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:52:43,292 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:52:43,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:52:43,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:52:43,293 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:52:43,293 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:52:43,293 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:52:43,293 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:52:43,293 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:52:43,293 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:52:43,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:52:43,294 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:52:43,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:52:43,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:52:43,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:52:43,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:52:43,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:52:43,295 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:52:43,295 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:52:43,295 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:52:43,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:52:43,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:52:43,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:52:43,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:52:43,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:52:43,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:52:43,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:52:43,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:52:43,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:52:43,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:52:43,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:52:43,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:52:43,296 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:52:43,297 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:52:43,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:52:43,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:52:43,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:52:43,297 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan 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(__VERIFIER_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 -> a45474bbddd00a02338fe4b16e46d3dadff1b340 [2019-12-07 13:52:43,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:52:43,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:52:43,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:52:43,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:52:43,478 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:52:43,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2019-12-07 13:52:43,517 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/data/5f3289250/1521ddff9f584ab3b3648f4a1c32fbe1/FLAGf12a14af1 [2019-12-07 13:52:43,963 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:52:43,963 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2019-12-07 13:52:43,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/data/5f3289250/1521ddff9f584ab3b3648f4a1c32fbe1/FLAGf12a14af1 [2019-12-07 13:52:44,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/data/5f3289250/1521ddff9f584ab3b3648f4a1c32fbe1 [2019-12-07 13:52:44,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:52:44,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:52:44,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:52:44,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:52:44,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:52:44,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:52:44" (1/1) ... [2019-12-07 13:52:44,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44, skipping insertion in model container [2019-12-07 13:52:44,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:52:44" (1/1) ... [2019-12-07 13:52:44,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:52:44,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:52:44,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:52:44,543 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:52:44,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:52:44,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:52:44,621 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:52:44,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:52:44,680 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:52:44,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44 WrapperNode [2019-12-07 13:52:44,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:52:44,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:52:44,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:52:44,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:52:44,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44" (1/1) ... [2019-12-07 13:52:44,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44" (1/1) ... [2019-12-07 13:52:44,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:52:44,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:52:44,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:52:44,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:52:44,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44" (1/1) ... [2019-12-07 13:52:44,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44" (1/1) ... [2019-12-07 13:52:44,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44" (1/1) ... [2019-12-07 13:52:44,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44" (1/1) ... [2019-12-07 13:52:44,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44" (1/1) ... [2019-12-07 13:52:44,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44" (1/1) ... [2019-12-07 13:52:44,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44" (1/1) ... [2019-12-07 13:52:44,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:52:44,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:52:44,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:52:44,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:52:44,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:52:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:52:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:52:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:52:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:52:45,198 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:52:45,198 INFO L287 CfgBuilder]: Removed 78 assume(true) statements. [2019-12-07 13:52:45,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:52:45 BoogieIcfgContainer [2019-12-07 13:52:45,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:52:45,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:52:45,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:52:45,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:52:45,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:52:44" (1/3) ... [2019-12-07 13:52:45,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a53a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:52:45, skipping insertion in model container [2019-12-07 13:52:45,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:52:44" (2/3) ... [2019-12-07 13:52:45,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a53a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:52:45, skipping insertion in model container [2019-12-07 13:52:45,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:52:45" (3/3) ... [2019-12-07 13:52:45,203 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product12.cil.c [2019-12-07 13:52:45,210 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:52:45,215 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:52:45,222 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:52:45,237 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:52:45,237 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:52:45,238 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:52:45,238 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:52:45,238 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:52:45,238 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:52:45,238 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:52:45,238 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:52:45,248 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2019-12-07 13:52:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:52:45,252 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:52:45,252 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:52:45,252 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:52:45,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:52:45,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1390476085, now seen corresponding path program 1 times [2019-12-07 13:52:45,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:52:45,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507120755] [2019-12-07 13:52:45,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 13:52:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:52:45,396 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:52:45,400 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:52:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:52:45,411 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:52:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:52:45,415 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1507120755] [2019-12-07 13:52:45,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:52:45,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:52:45,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348797412] [2019-12-07 13:52:45,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:52:45,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:52:45,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:52:45,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:52:45,431 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2019-12-07 13:52:45,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:52:45,448 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2019-12-07 13:52:45,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:52:45,449 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 13:52:45,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:52:45,456 INFO L225 Difference]: With dead ends: 124 [2019-12-07 13:52:45,457 INFO L226 Difference]: Without dead ends: 61 [2019-12-07 13:52:45,459 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:52:45,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-12-07 13:52:45,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-12-07 13:52:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-12-07 13:52:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2019-12-07 13:52:45,486 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2019-12-07 13:52:45,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:52:45,487 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2019-12-07 13:52:45,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:52:45,487 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2019-12-07 13:52:45,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:52:45,488 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:52:45,488 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:52:45,689 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:52:45,690 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:52:45,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:52:45,691 INFO L82 PathProgramCache]: Analyzing trace with hash -963834589, now seen corresponding path program 1 times [2019-12-07 13:52:45,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:52:45,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177291793] [2019-12-07 13:52:45,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 13:52:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:52:45,889 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:52:45,890 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:52:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:52:45,905 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:52:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:52:45,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177291793] [2019-12-07 13:52:45,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:52:45,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:52:45,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56192614] [2019-12-07 13:52:45,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:52:45,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:52:45,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:52:45,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:52:45,916 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 4 states. [2019-12-07 13:52:45,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:52:45,925 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2019-12-07 13:52:45,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:52:45,926 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 13:52:45,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:52:45,927 INFO L225 Difference]: With dead ends: 61 [2019-12-07 13:52:45,927 INFO L226 Difference]: Without dead ends: 31 [2019-12-07 13:52:45,927 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:52:45,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-07 13:52:45,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-07 13:52:45,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 13:52:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-12-07 13:52:45,931 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2019-12-07 13:52:45,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:52:45,931 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-12-07 13:52:45,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:52:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-07 13:52:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:52:45,932 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:52:45,932 INFO L410 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] [2019-12-07 13:52:46,133 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:52:46,133 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:52:46,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:52:46,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1411810197, now seen corresponding path program 1 times [2019-12-07 13:52:46,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:52:46,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159206394] [2019-12-07 13:52:46,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 13:52:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:52:46,342 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:52:46,344 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:52:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:52:46,353 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:52:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:52:46,360 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159206394] [2019-12-07 13:52:46,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:52:46,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:52:46,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859299897] [2019-12-07 13:52:46,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:52:46,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:52:46,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:52:46,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:52:46,362 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2019-12-07 13:52:46,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:52:46,420 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2019-12-07 13:52:46,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:52:46,420 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 13:52:46,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:52:46,422 INFO L225 Difference]: With dead ends: 106 [2019-12-07 13:52:46,422 INFO L226 Difference]: Without dead ends: 81 [2019-12-07 13:52:46,423 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:52:46,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-12-07 13:52:46,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 52. [2019-12-07 13:52:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 13:52:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-12-07 13:52:46,430 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2019-12-07 13:52:46,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:52:46,431 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-12-07 13:52:46,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:52:46,431 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-12-07 13:52:46,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:52:46,432 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:52:46,432 INFO L410 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] [2019-12-07 13:52:46,632 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:52:46,633 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:52:46,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:52:46,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1755761006, now seen corresponding path program 1 times [2019-12-07 13:52:46,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:52:46,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804624755] [2019-12-07 13:52:46,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 13:52:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:52:46,767 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:52:46,769 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:52:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:52:46,783 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:52:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:52:46,809 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804624755] [2019-12-07 13:52:46,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:52:46,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 13:52:46,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457127851] [2019-12-07 13:52:46,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:52:46,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:52:46,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:52:46,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:52:46,811 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 8 states. [2019-12-07 13:52:47,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:52:47,034 INFO L93 Difference]: Finished difference Result 506 states and 780 transitions. [2019-12-07 13:52:47,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 13:52:47,035 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-12-07 13:52:47,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:52:47,039 INFO L225 Difference]: With dead ends: 506 [2019-12-07 13:52:47,039 INFO L226 Difference]: Without dead ends: 460 [2019-12-07 13:52:47,040 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 13:52:47,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-12-07 13:52:47,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 130. [2019-12-07 13:52:47,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-07 13:52:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2019-12-07 13:52:47,065 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 24 [2019-12-07 13:52:47,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:52:47,066 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2019-12-07 13:52:47,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:52:47,066 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2019-12-07 13:52:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 13:52:47,067 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:52:47,067 INFO L410 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] [2019-12-07 13:52:47,267 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:52:47,268 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:52:47,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:52:47,269 INFO L82 PathProgramCache]: Analyzing trace with hash 120698128, now seen corresponding path program 1 times [2019-12-07 13:52:47,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:52:47,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600051857] [2019-12-07 13:52:47,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 13:52:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:52:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:52:48,544 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 13:52:48,544 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:52:48,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:52:48,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:52:48 BoogieIcfgContainer [2019-12-07 13:52:48,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:52:48,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:52:48,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:52:48,819 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:52:48,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:52:45" (3/4) ... [2019-12-07 13:52:48,821 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:52:48,887 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9a0971c2-eea6-4e67-a568-1882b2131743/bin/utaipan/witness.graphml [2019-12-07 13:52:48,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:52:48,889 INFO L168 Benchmark]: Toolchain (without parser) took 4575.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 798.6 MB in the end (delta: 148.4 MB). Peak memory consumption was 259.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:48,889 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:52:48,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:48,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:48,891 INFO L168 Benchmark]: Boogie Preprocessor took 25.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:52:48,891 INFO L168 Benchmark]: RCFGBuilder took 452.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:48,891 INFO L168 Benchmark]: TraceAbstraction took 3618.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 811.9 MB in the end (delta: 216.6 MB). Peak memory consumption was 216.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:48,892 INFO L168 Benchmark]: Witness Printer took 69.18 ms. Allocated memory is still 1.1 GB. Free memory was 811.9 MB in the beginning and 798.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:52:48,894 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 452.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3618.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 811.9 MB in the end (delta: 216.6 MB). Peak memory consumption was 216.6 MB. Max. memory is 11.5 GB. * Witness Printer took 69.18 ms. Allocated memory is still 1.1 GB. Free memory was 811.9 MB in the beginning and 798.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 890]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L790] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] int retValue_acc ; [L864] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L415] int retValue_acc ; [L418] retValue_acc = 1 [L419] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] tmp = valid_product() [L872] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L85] int splverifierCounter ; [L86] int tmp ; [L87] int tmp___0 ; [L88] int tmp___1 ; [L89] int tmp___2 ; [L92] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L94] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L96] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] tmp = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L324] COND TRUE waterLevel < 2 [L325] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] tmp___0 = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L122] tmp___2 = __VERIFIER_nondet_int() [L124] COND TRUE \read(tmp___2) [L301] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L165] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L345] int retValue_acc ; [L348] retValue_acc = methaneLevelCritical [L349] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L890] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 240 SDtfs, 560 SDslu, 525 SDs, 0 SdLazy, 104 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 359 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 7764 SizeOfPredicates, 6 NumberOfNonLiveVariables, 735 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...