./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw --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 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 ............................................................................................................................................ 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_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw --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 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:01:33,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:01:33,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:01:33,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:01:33,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:01:33,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:01:33,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:01:33,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:01:33,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:01:33,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:01:33,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:01:33,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:01:33,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:01:33,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:01:33,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:01:33,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:01:33,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:01:33,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:01:33,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:01:33,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:01:33,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:01:33,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:01:33,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:01:33,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:01:33,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:01:33,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:01:33,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:01:33,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:01:33,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:01:33,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:01:33,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:01:33,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:01:33,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:01:33,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:01:33,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:01:33,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:01:33,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:01:33,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:01:33,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:01:33,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:01:33,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:01:33,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 06:01:33,292 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:01:33,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:01:33,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:01:33,293 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:01:33,294 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:01:33,294 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:01:33,294 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 06:01:33,294 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:01:33,295 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:01:33,295 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 06:01:33,295 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 06:01:33,295 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:01:33,296 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 06:01:33,296 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 06:01:33,296 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 06:01:33,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:01:33,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:01:33,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 06:01:33,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:01:33,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:01:33,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:01:33,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:01:33,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:01:33,298 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:01:33,299 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:01:33,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:01:33,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:01:33,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:01:33,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:01:33,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:01:33,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:01:33,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:01:33,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:01:33,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:01:33,301 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 06:01:33,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 06:01:33,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:01:33,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:01:33,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:01:33,302 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_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 [2021-10-20 06:01:33,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:01:33,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:01:33,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:01:33,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:01:33,568 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:01:33,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2021-10-20 06:01:33,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/data/787e06f3c/e69b8a634af246348abe6bc213cc806c/FLAG72df5e405 [2021-10-20 06:01:34,181 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:01:34,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2021-10-20 06:01:34,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/data/787e06f3c/e69b8a634af246348abe6bc213cc806c/FLAG72df5e405 [2021-10-20 06:01:34,502 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/data/787e06f3c/e69b8a634af246348abe6bc213cc806c [2021-10-20 06:01:34,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:01:34,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:01:34,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:01:34,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:01:34,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:01:34,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:34" (1/1) ... [2021-10-20 06:01:34,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2030f6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:34, skipping insertion in model container [2021-10-20 06:01:34,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:34" (1/1) ... [2021-10-20 06:01:34,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:01:34,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:01:34,824 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_77a1c46e-2dc7-450a-afd9-6ab45680472e/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12672,12685] [2021-10-20 06:01:34,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:01:34,879 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) [2021-10-20 06:01:34,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@491a9c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:34, skipping insertion in model container [2021-10-20 06:01:34,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:01:34,881 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 06:01:34,883 INFO L168 Benchmark]: Toolchain (without parser) took 371.43 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 72.1 MB in the beginning and 107.0 MB in the end (delta: -34.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 06:01:34,884 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory is still 59.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:01:34,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.79 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 71.8 MB in the beginning and 107.7 MB in the end (delta: -36.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 06:01:34,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory is still 59.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 367.79 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 71.8 MB in the beginning and 107.7 MB in the end (delta: -36.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: 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-e943c26 [2021-10-20 06:01:37,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:01:37,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:01:37,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:01:37,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:01:37,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:01:37,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:01:37,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:01:37,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:01:37,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:01:37,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:01:37,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:01:37,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:01:37,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:01:37,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:01:37,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:01:37,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:01:37,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:01:37,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:01:37,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:01:37,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:01:37,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:01:37,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:01:37,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:01:37,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:01:37,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:01:37,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:01:37,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:01:37,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:01:37,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:01:37,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:01:37,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:01:37,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:01:37,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:01:37,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:01:37,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:01:37,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:01:37,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:01:37,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:01:37,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:01:37,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:01:37,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 06:01:37,304 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:01:37,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:01:37,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:01:37,306 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:01:37,306 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:01:37,307 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:01:37,307 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:01:37,307 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:01:37,307 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:01:37,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:01:37,310 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:01:37,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:01:37,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:01:37,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:01:37,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:01:37,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:01:37,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:01:37,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 06:01:37,312 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 06:01:37,312 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:01:37,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:01:37,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:01:37,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:01:37,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:01:37,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 06:01:37,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:01:37,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:01:37,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:01:37,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:01:37,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:01:37,314 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 06:01:37,314 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 06:01:37,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:01:37,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:01:37,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:01:37,316 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_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 [2021-10-20 06:01:37,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:01:37,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:01:37,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:01:37,734 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:01:37,735 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:01:37,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2021-10-20 06:01:37,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/data/0943e7ac4/61a87bdef2ff4cdabf2e0c65bce56010/FLAG46275768e [2021-10-20 06:01:38,563 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:01:38,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2021-10-20 06:01:38,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/data/0943e7ac4/61a87bdef2ff4cdabf2e0c65bce56010/FLAG46275768e [2021-10-20 06:01:38,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/data/0943e7ac4/61a87bdef2ff4cdabf2e0c65bce56010 [2021-10-20 06:01:38,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:01:38,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:01:38,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:01:38,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:01:38,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:01:38,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:38" (1/1) ... [2021-10-20 06:01:38,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ec12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:38, skipping insertion in model container [2021-10-20 06:01:38,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:01:38" (1/1) ... [2021-10-20 06:01:38,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:01:38,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:01:39,218 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_77a1c46e-2dc7-450a-afd9-6ab45680472e/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12672,12685] [2021-10-20 06:01:39,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:01:39,315 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 06:01:39,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:01:39,356 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_77a1c46e-2dc7-450a-afd9-6ab45680472e/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12672,12685] [2021-10-20 06:01:39,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:01:39,385 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 06:01:39,479 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_77a1c46e-2dc7-450a-afd9-6ab45680472e/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12672,12685] [2021-10-20 06:01:39,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:01:39,541 INFO L208 MainTranslator]: Completed translation [2021-10-20 06:01:39,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39 WrapperNode [2021-10-20 06:01:39,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:01:39,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 06:01:39,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 06:01:39,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 06:01:39,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2021-10-20 06:01:39,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2021-10-20 06:01:39,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 06:01:39,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 06:01:39,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 06:01:39,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 06:01:39,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2021-10-20 06:01:39,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2021-10-20 06:01:39,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2021-10-20 06:01:39,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2021-10-20 06:01:39,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2021-10-20 06:01:39,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2021-10-20 06:01:39,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2021-10-20 06:01:39,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 06:01:39,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 06:01:39,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 06:01:39,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 06:01:39,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (1/1) ... [2021-10-20 06:01:39,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:01:39,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:01:39,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 06:01:39,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 06:01:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 06:01:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 06:01:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 06:01:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 06:01:42,110 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 06:01:42,110 INFO L299 CfgBuilder]: Removed 176 assume(true) statements. [2021-10-20 06:01:42,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:42 BoogieIcfgContainer [2021-10-20 06:01:42,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 06:01:42,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 06:01:42,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 06:01:42,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 06:01:42,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:01:38" (1/3) ... [2021-10-20 06:01:42,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640dec74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:01:42, skipping insertion in model container [2021-10-20 06:01:42,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:01:39" (2/3) ... [2021-10-20 06:01:42,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640dec74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:01:42, skipping insertion in model container [2021-10-20 06:01:42,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:42" (3/3) ... [2021-10-20 06:01:42,121 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2021-10-20 06:01:42,127 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 06:01:42,127 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 06:01:42,193 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 06:01:42,199 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 06:01:42,200 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 06:01:42,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 124 states have (on average 1.5483870967741935) internal successors, (192), 127 states have internal predecessors, (192), 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) [2021-10-20 06:01:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-20 06:01:42,227 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:01:42,228 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:01:42,228 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:01:42,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:01:42,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1472110058, now seen corresponding path program 1 times [2021-10-20 06:01:42,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:01:42,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865881469] [2021-10-20 06:01:42,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:42,251 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:01:42,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:01:42,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:01:42,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 06:01:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:42,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 06:01:42,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:42,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:42,648 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:01:42,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865881469] [2021-10-20 06:01:42,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865881469] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:01:42,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:01:42,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 06:01:42,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872268247] [2021-10-20 06:01:42,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 06:01:42,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:01:42,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 06:01:42,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:01:42,678 INFO L87 Difference]: Start difference. First operand has 128 states, 124 states have (on average 1.5483870967741935) internal successors, (192), 127 states have internal predecessors, (192), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-10-20 06:01:42,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:01:42,708 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2021-10-20 06:01:42,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 06:01:42,710 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 [2021-10-20 06:01:42,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:01:42,721 INFO L225 Difference]: With dead ends: 249 [2021-10-20 06:01:42,721 INFO L226 Difference]: Without dead ends: 124 [2021-10-20 06:01:42,724 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:01:42,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-20 06:01:42,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-10-20 06:01:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 121 states have (on average 1.487603305785124) internal successors, (180), 123 states have internal predecessors, (180), 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) [2021-10-20 06:01:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2021-10-20 06:01:42,764 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2021-10-20 06:01:42,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:01:42,765 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2021-10-20 06:01:42,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-10-20 06:01:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2021-10-20 06:01:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-20 06:01:42,767 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:01:42,768 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] [2021-10-20 06:01:42,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-20 06:01:42,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:01:42,980 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:01:42,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:01:42,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1016837685, now seen corresponding path program 1 times [2021-10-20 06:01:42,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:01:42,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239811938] [2021-10-20 06:01:42,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:42,982 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:01:42,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:01:42,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:01:43,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 06:01:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:43,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:01:43,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:43,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:43,391 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:01:43,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239811938] [2021-10-20 06:01:43,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239811938] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:01:43,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:01:43,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 06:01:43,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702389919] [2021-10-20 06:01:43,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:01:43,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:01:43,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:01:43,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:01:43,401 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-20 06:01:43,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:01:43,433 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2021-10-20 06:01:43,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:01:43,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 20 [2021-10-20 06:01:43,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:01:43,435 INFO L225 Difference]: With dead ends: 124 [2021-10-20 06:01:43,435 INFO L226 Difference]: Without dead ends: 53 [2021-10-20 06:01:43,436 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:01:43,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-20 06:01:43,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-20 06:01:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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) [2021-10-20 06:01:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-20 06:01:43,444 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2021-10-20 06:01:43,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:01:43,444 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-20 06:01:43,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-20 06:01:43,445 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-20 06:01:43,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-20 06:01:43,446 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:01:43,446 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] [2021-10-20 06:01:43,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 06:01:43,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:01:43,660 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:01:43,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:01:43,660 INFO L82 PathProgramCache]: Analyzing trace with hash 632373730, now seen corresponding path program 1 times [2021-10-20 06:01:43,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:01:43,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426531467] [2021-10-20 06:01:43,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:43,662 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:01:43,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:01:43,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:01:43,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 06:01:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:43,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:01:43,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:43,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:44,067 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:01:44,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426531467] [2021-10-20 06:01:44,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426531467] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:01:44,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:01:44,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 06:01:44,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511397961] [2021-10-20 06:01:44,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:01:44,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:01:44,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:01:44,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:01:44,071 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-10-20 06:01:44,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:01:44,126 INFO L93 Difference]: Finished difference Result 171 states and 252 transitions. [2021-10-20 06:01:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 06:01:44,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 [2021-10-20 06:01:44,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:01:44,129 INFO L225 Difference]: With dead ends: 171 [2021-10-20 06:01:44,129 INFO L226 Difference]: Without dead ends: 125 [2021-10-20 06:01:44,130 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:01:44,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-10-20 06:01:44,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 75. [2021-10-20 06:01:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.472972972972973) internal successors, (109), 74 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) [2021-10-20 06:01:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2021-10-20 06:01:44,144 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2021-10-20 06:01:44,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:01:44,145 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2021-10-20 06:01:44,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-10-20 06:01:44,146 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2021-10-20 06:01:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-20 06:01:44,147 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:01:44,147 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, 1, 1] [2021-10-20 06:01:44,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 06:01:44,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:01:44,369 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:01:44,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:01:44,369 INFO L82 PathProgramCache]: Analyzing trace with hash 505882496, now seen corresponding path program 1 times [2021-10-20 06:01:44,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:01:44,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257246381] [2021-10-20 06:01:44,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:44,371 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:01:44,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:01:44,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:01:44,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 06:01:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:44,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:01:44,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:44,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:44,759 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:01:44,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257246381] [2021-10-20 06:01:44,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [257246381] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:01:44,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:01:44,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-20 06:01:44,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768552001] [2021-10-20 06:01:44,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:01:44,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:01:44,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:01:44,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:01:44,762 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-10-20 06:01:44,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:01:44,862 INFO L93 Difference]: Finished difference Result 167 states and 245 transitions. [2021-10-20 06:01:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:01:44,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2021-10-20 06:01:44,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:01:44,864 INFO L225 Difference]: With dead ends: 167 [2021-10-20 06:01:44,864 INFO L226 Difference]: Without dead ends: 99 [2021-10-20 06:01:44,865 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:01:44,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-20 06:01:44,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2021-10-20 06:01:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 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) [2021-10-20 06:01:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2021-10-20 06:01:44,892 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 28 [2021-10-20 06:01:44,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:01:44,892 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2021-10-20 06:01:44,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-10-20 06:01:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2021-10-20 06:01:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-20 06:01:44,894 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:01:44,894 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, 1, 1, 1] [2021-10-20 06:01:44,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 06:01:45,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:01:45,095 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:01:45,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:01:45,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1201567211, now seen corresponding path program 1 times [2021-10-20 06:01:45,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:01:45,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209082003] [2021-10-20 06:01:45,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:45,097 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:01:45,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:01:45,098 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:01:45,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 06:01:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:45,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:01:45,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:45,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:45,489 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:01:45,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209082003] [2021-10-20 06:01:45,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209082003] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:01:45,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:01:45,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-20 06:01:45,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923470781] [2021-10-20 06:01:45,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 06:01:45,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:01:45,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 06:01:45,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 06:01:45,495 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-10-20 06:01:45,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:01:45,686 INFO L93 Difference]: Finished difference Result 314 states and 445 transitions. [2021-10-20 06:01:45,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-20 06:01:45,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 29 [2021-10-20 06:01:45,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:01:45,691 INFO L225 Difference]: With dead ends: 314 [2021-10-20 06:01:45,692 INFO L226 Difference]: Without dead ends: 224 [2021-10-20 06:01:45,695 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 47.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-20 06:01:45,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-20 06:01:45,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 95. [2021-10-20 06:01:45,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 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) [2021-10-20 06:01:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2021-10-20 06:01:45,726 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 29 [2021-10-20 06:01:45,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:01:45,726 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2021-10-20 06:01:45,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-10-20 06:01:45,727 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2021-10-20 06:01:45,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-20 06:01:45,729 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:01:45,729 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:01:45,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-20 06:01:45,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:01:45,943 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:01:45,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:01:45,943 INFO L82 PathProgramCache]: Analyzing trace with hash 113415631, now seen corresponding path program 1 times [2021-10-20 06:01:45,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:01:45,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855494044] [2021-10-20 06:01:45,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:45,945 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:01:45,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:01:45,946 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:01:45,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-20 06:01:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:46,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:01:46,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:46,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:46,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:46,372 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:01:46,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855494044] [2021-10-20 06:01:46,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855494044] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:01:46,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:01:46,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-20 06:01:46,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44377266] [2021-10-20 06:01:46,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 06:01:46,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:01:46,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 06:01:46,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 06:01:46,374 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-20 06:01:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:01:46,451 INFO L93 Difference]: Finished difference Result 276 states and 380 transitions. [2021-10-20 06:01:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-20 06:01:46,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-20 06:01:46,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:01:46,453 INFO L225 Difference]: With dead ends: 276 [2021-10-20 06:01:46,453 INFO L226 Difference]: Without dead ends: 188 [2021-10-20 06:01:46,454 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-20 06:01:46,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-20 06:01:46,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 101. [2021-10-20 06:01:46,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 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) [2021-10-20 06:01:46,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2021-10-20 06:01:46,470 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 34 [2021-10-20 06:01:46,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:01:46,471 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2021-10-20 06:01:46,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-20 06:01:46,471 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2021-10-20 06:01:46,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-20 06:01:46,472 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:01:46,472 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:01:46,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-20 06:01:46,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:01:46,683 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:01:46,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:01:46,684 INFO L82 PathProgramCache]: Analyzing trace with hash 814480209, now seen corresponding path program 1 times [2021-10-20 06:01:46,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:01:46,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810930924] [2021-10-20 06:01:46,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:46,694 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:01:46,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:01:46,695 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:01:46,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-20 06:01:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:46,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-20 06:01:46,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:47,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:47,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:47,126 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:01:47,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810930924] [2021-10-20 06:01:47,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810930924] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:01:47,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:01:47,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-20 06:01:47,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084040988] [2021-10-20 06:01:47,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-20 06:01:47,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:01:47,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-20 06:01:47,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-20 06:01:47,130 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-10-20 06:01:47,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:01:47,191 INFO L93 Difference]: Finished difference Result 293 states and 397 transitions. [2021-10-20 06:01:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 06:01:47,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 34 [2021-10-20 06:01:47,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:01:47,193 INFO L225 Difference]: With dead ends: 293 [2021-10-20 06:01:47,193 INFO L226 Difference]: Without dead ends: 199 [2021-10-20 06:01:47,196 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 23.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-20 06:01:47,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-10-20 06:01:47,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 105. [2021-10-20 06:01:47,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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) [2021-10-20 06:01:47,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 141 transitions. [2021-10-20 06:01:47,232 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 141 transitions. Word has length 34 [2021-10-20 06:01:47,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:01:47,234 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 141 transitions. [2021-10-20 06:01:47,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-10-20 06:01:47,234 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2021-10-20 06:01:47,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-20 06:01:47,238 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:01:47,238 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:01:47,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-20 06:01:47,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:01:47,459 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:01:47,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:01:47,460 INFO L82 PathProgramCache]: Analyzing trace with hash 227674195, now seen corresponding path program 1 times [2021-10-20 06:01:47,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:01:47,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821933083] [2021-10-20 06:01:47,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:47,461 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:01:47,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:01:47,462 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:01:47,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-20 06:01:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:47,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:01:47,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:47,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:47,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:47,934 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:01:47,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821933083] [2021-10-20 06:01:47,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821933083] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:01:47,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:01:47,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-20 06:01:47,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432727062] [2021-10-20 06:01:47,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:01:47,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:01:47,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:01:47,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:01:47,936 INFO L87 Difference]: Start difference. First operand 105 states and 141 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-10-20 06:01:48,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:01:48,007 INFO L93 Difference]: Finished difference Result 337 states and 457 transitions. [2021-10-20 06:01:48,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 06:01:48,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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 34 [2021-10-20 06:01:48,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:01:48,009 INFO L225 Difference]: With dead ends: 337 [2021-10-20 06:01:48,009 INFO L226 Difference]: Without dead ends: 239 [2021-10-20 06:01:48,010 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:01:48,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-10-20 06:01:48,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 187. [2021-10-20 06:01:48,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.3494623655913978) internal successors, (251), 186 states have internal predecessors, (251), 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) [2021-10-20 06:01:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 251 transitions. [2021-10-20 06:01:48,034 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 251 transitions. Word has length 34 [2021-10-20 06:01:48,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:01:48,035 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 251 transitions. [2021-10-20 06:01:48,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-10-20 06:01:48,035 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 251 transitions. [2021-10-20 06:01:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-20 06:01:48,036 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:01:48,037 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:01:48,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-20 06:01:48,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:01:48,249 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:01:48,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:01:48,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1168271981, now seen corresponding path program 1 times [2021-10-20 06:01:48,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:01:48,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256666826] [2021-10-20 06:01:48,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:48,250 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:01:48,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:01:48,251 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:01:48,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-20 06:01:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:48,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-20 06:01:48,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:48,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:48,786 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:01:48,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256666826] [2021-10-20 06:01:48,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256666826] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:01:48,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:01:48,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-20 06:01:48,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724046164] [2021-10-20 06:01:48,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-20 06:01:48,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:01:48,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-20 06:01:48,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-20 06:01:48,789 INFO L87 Difference]: Start difference. First operand 187 states and 251 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-20 06:01:50,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:01:50,225 INFO L93 Difference]: Finished difference Result 948 states and 1287 transitions. [2021-10-20 06:01:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-20 06:01:50,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-10-20 06:01:50,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:01:50,230 INFO L225 Difference]: With dead ends: 948 [2021-10-20 06:01:50,231 INFO L226 Difference]: Without dead ends: 768 [2021-10-20 06:01:50,231 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 65.5ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-20 06:01:50,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-10-20 06:01:50,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 341. [2021-10-20 06:01:50,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.3294117647058823) internal successors, (452), 340 states have internal predecessors, (452), 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) [2021-10-20 06:01:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 452 transitions. [2021-10-20 06:01:50,281 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 452 transitions. Word has length 35 [2021-10-20 06:01:50,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:01:50,281 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 452 transitions. [2021-10-20 06:01:50,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-20 06:01:50,282 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 452 transitions. [2021-10-20 06:01:50,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-20 06:01:50,283 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:01:50,283 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:01:50,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-20 06:01:50,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:01:50,500 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:01:50,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:01:50,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1462781310, now seen corresponding path program 1 times [2021-10-20 06:01:50,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:01:50,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20745418] [2021-10-20 06:01:50,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:50,501 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:01:50,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:01:50,502 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:01:50,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-20 06:01:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:50,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-20 06:01:50,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-20 06:01:50,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:51,236 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-20 06:01:51,236 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:01:51,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20745418] [2021-10-20 06:01:51,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20745418] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:01:51,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [473632447] [2021-10-20 06:01:51,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:51,236 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 06:01:51,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 06:01:51,238 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 06:01:51,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-20 06:01:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:51,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-20 06:01:51,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:51,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:52,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [473632447] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:01:52,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152444465] [2021-10-20 06:01:52,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:01:52,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:01:52,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:01:52,051 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 06:01:52,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-20 06:01:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:01:52,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:01:52,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:01:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:52,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:01:52,710 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:01:52,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152444465] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:01:52,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-20 06:01:52,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 15 [2021-10-20 06:01:52,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514598311] [2021-10-20 06:01:52,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-20 06:01:52,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:01:52,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-20 06:01:52,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-20 06:01:52,713 INFO L87 Difference]: Start difference. First operand 341 states and 452 transitions. Second operand has 15 states, 15 states have (on average 12.0) internal successors, (180), 15 states have internal predecessors, (180), 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) [2021-10-20 06:02:00,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:02:00,010 INFO L93 Difference]: Finished difference Result 2707 states and 3673 transitions. [2021-10-20 06:02:00,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-10-20 06:02:00,010 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.0) internal successors, (180), 15 states have internal predecessors, (180), 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 58 [2021-10-20 06:02:00,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:02:00,024 INFO L225 Difference]: With dead ends: 2707 [2021-10-20 06:02:00,024 INFO L226 Difference]: Without dead ends: 2373 [2021-10-20 06:02:00,031 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4418 ImplicationChecksByTransitivity, 2161.9ms TimeCoverageRelationStatistics Valid=2091, Invalid=9681, Unknown=0, NotChecked=0, Total=11772 [2021-10-20 06:02:00,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2021-10-20 06:02:00,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 482. [2021-10-20 06:02:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 481 states have (on average 1.3076923076923077) internal successors, (629), 481 states have internal predecessors, (629), 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) [2021-10-20 06:02:00,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 629 transitions. [2021-10-20 06:02:00,125 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 629 transitions. Word has length 58 [2021-10-20 06:02:00,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:02:00,126 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 629 transitions. [2021-10-20 06:02:00,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.0) internal successors, (180), 15 states have internal predecessors, (180), 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) [2021-10-20 06:02:00,126 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 629 transitions. [2021-10-20 06:02:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-20 06:02:00,129 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:02:00,129 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:02:00,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-20 06:02:00,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-20 06:02:00,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-20 06:02:00,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt [2021-10-20 06:02:00,742 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:02:00,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:02:00,743 INFO L82 PathProgramCache]: Analyzing trace with hash -2082462592, now seen corresponding path program 1 times [2021-10-20 06:02:00,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:02:00,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093310827] [2021-10-20 06:02:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:02:00,744 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:02:00,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:02:00,746 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:02:00,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-20 06:02:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:02:01,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:02:01,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:02:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-20 06:02:01,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:02:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-20 06:02:01,683 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:02:01,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093310827] [2021-10-20 06:02:01,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093310827] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:02:01,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:02:01,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-20 06:02:01,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958600212] [2021-10-20 06:02:01,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-20 06:02:01,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:02:01,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-20 06:02:01,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-20 06:02:01,685 INFO L87 Difference]: Start difference. First operand 482 states and 629 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:02:01,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:02:01,786 INFO L93 Difference]: Finished difference Result 799 states and 1032 transitions. [2021-10-20 06:02:01,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 06:02:01,787 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-10-20 06:02:01,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:02:01,789 INFO L225 Difference]: With dead ends: 799 [2021-10-20 06:02:01,789 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 06:02:01,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 48.5ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-20 06:02:01,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 06:02:01,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 06:02:01,790 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) [2021-10-20 06:02:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 06:02:01,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2021-10-20 06:02:01,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:02:01,791 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 06:02:01,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:02:01,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 06:02:01,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 06:02:01,794 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:02:01,795 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:02:01,795 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:02:01,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-20 06:02:02,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:02:02,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 06:02:02,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:02,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:03,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:02:10,475 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2021-10-20 06:02:10,475 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 574) no Hoare annotation was computed. [2021-10-20 06:02:10,475 INFO L857 garLoopResultBuilder]: For program point L564-2(lines 564 574) no Hoare annotation was computed. [2021-10-20 06:02:10,475 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-10-20 06:02:10,475 INFO L857 garLoopResultBuilder]: For program point L564-4(lines 564 574) no Hoare annotation was computed. [2021-10-20 06:02:10,476 INFO L857 garLoopResultBuilder]: For program point L432-1(lines 432 436) no Hoare annotation was computed. [2021-10-20 06:02:10,476 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 571) no Hoare annotation was computed. [2021-10-20 06:02:10,476 INFO L857 garLoopResultBuilder]: For program point L565-2(lines 565 571) no Hoare annotation was computed. [2021-10-20 06:02:10,476 INFO L857 garLoopResultBuilder]: For program point L565-4(lines 565 571) no Hoare annotation was computed. [2021-10-20 06:02:10,476 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 848) no Hoare annotation was computed. [2021-10-20 06:02:10,476 INFO L857 garLoopResultBuilder]: For program point L831-1(lines 831 848) no Hoare annotation was computed. [2021-10-20 06:02:10,477 INFO L857 garLoopResultBuilder]: For program point L831-2(lines 831 848) no Hoare annotation was computed. [2021-10-20 06:02:10,477 INFO L857 garLoopResultBuilder]: For program point L732(lines 732 747) no Hoare annotation was computed. [2021-10-20 06:02:10,477 INFO L857 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2021-10-20 06:02:10,477 INFO L853 garLoopResultBuilder]: At program point L966-1(lines 966 972) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-10-20 06:02:10,477 INFO L857 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,478 INFO L857 garLoopResultBuilder]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,478 INFO L857 garLoopResultBuilder]: For program point L933-3(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,479 INFO L857 garLoopResultBuilder]: For program point L933-5(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,479 INFO L857 garLoopResultBuilder]: For program point L933-6(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,479 INFO L857 garLoopResultBuilder]: For program point L933-8(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,479 INFO L857 garLoopResultBuilder]: For program point L933-9(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,479 INFO L857 garLoopResultBuilder]: For program point L933-11(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,479 INFO L857 garLoopResultBuilder]: For program point L933-12(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,479 INFO L857 garLoopResultBuilder]: For program point L933-14(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,480 INFO L857 garLoopResultBuilder]: For program point L933-15(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point L933-17(lines 933 937) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 843) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point L835-1(lines 835 843) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point L835-2(lines 835 843) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point L703(lines 702 751) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point L670-2(lines 670 676) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point L670-3(lines 670 676) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point L670-4(lines 670 676) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point L670-5(lines 670 676) no Hoare annotation was computed. [2021-10-20 06:02:10,481 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2021-10-20 06:02:10,482 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2021-10-20 06:02:10,482 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 609) no Hoare annotation was computed. [2021-10-20 06:02:10,482 INFO L853 garLoopResultBuilder]: At program point L539(lines 534 541) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:02:10,482 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 822) no Hoare annotation was computed. [2021-10-20 06:02:10,482 INFO L857 garLoopResultBuilder]: For program point L805-1(lines 805 822) no Hoare annotation was computed. [2021-10-20 06:02:10,482 INFO L857 garLoopResultBuilder]: For program point L805-2(lines 805 822) no Hoare annotation was computed. [2021-10-20 06:02:10,483 INFO L857 garLoopResultBuilder]: For program point L805-3(lines 805 822) no Hoare annotation was computed. [2021-10-20 06:02:10,483 INFO L857 garLoopResultBuilder]: For program point L805-4(lines 805 822) no Hoare annotation was computed. [2021-10-20 06:02:10,484 INFO L857 garLoopResultBuilder]: For program point L805-5(lines 805 822) no Hoare annotation was computed. [2021-10-20 06:02:10,484 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2021-10-20 06:02:10,485 INFO L860 garLoopResultBuilder]: At program point L508-1(lines 508 515) the Hoare annotation is: true [2021-10-20 06:02:10,486 INFO L853 garLoopResultBuilder]: At program point L773(lines 769 791) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse5 .cse6 .cse1 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4))) [2021-10-20 06:02:10,486 INFO L857 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2021-10-20 06:02:10,486 INFO L853 garLoopResultBuilder]: At program point L773-1(lines 769 791) the Hoare annotation is: false [2021-10-20 06:02:10,486 INFO L853 garLoopResultBuilder]: At program point L740-1(lines 1 1019) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse3 .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-20 06:02:10,486 INFO L853 garLoopResultBuilder]: At program point L773-2(lines 769 791) the Hoare annotation is: false [2021-10-20 06:02:10,486 INFO L853 garLoopResultBuilder]: At program point L939(lines 924 942) the Hoare annotation is: false [2021-10-20 06:02:10,487 INFO L853 garLoopResultBuilder]: At program point L939-1(lines 924 942) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-20 06:02:10,487 INFO L853 garLoopResultBuilder]: At program point L939-2(lines 924 942) the Hoare annotation is: false [2021-10-20 06:02:10,487 INFO L853 garLoopResultBuilder]: At program point L939-3(lines 924 942) the Hoare annotation is: false [2021-10-20 06:02:10,487 INFO L853 garLoopResultBuilder]: At program point L939-4(lines 924 942) the Hoare annotation is: false [2021-10-20 06:02:10,487 INFO L853 garLoopResultBuilder]: At program point L939-5(lines 924 942) the Hoare annotation is: false [2021-10-20 06:02:10,487 INFO L853 garLoopResultBuilder]: At program point L675(lines 666 679) the Hoare annotation is: false [2021-10-20 06:02:10,487 INFO L853 garLoopResultBuilder]: At program point L675-1(lines 666 679) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-20 06:02:10,487 INFO L853 garLoopResultBuilder]: At program point L675-2(lines 666 679) the Hoare annotation is: false [2021-10-20 06:02:10,487 INFO L853 garLoopResultBuilder]: At program point L675-3(lines 666 679) the Hoare annotation is: false [2021-10-20 06:02:10,488 INFO L853 garLoopResultBuilder]: At program point L675-4(lines 666 679) the Hoare annotation is: false [2021-10-20 06:02:10,488 INFO L853 garLoopResultBuilder]: At program point L675-5(lines 666 679) the Hoare annotation is: false [2021-10-20 06:02:10,488 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 817) no Hoare annotation was computed. [2021-10-20 06:02:10,488 INFO L857 garLoopResultBuilder]: For program point L809-1(lines 809 817) no Hoare annotation was computed. [2021-10-20 06:02:10,488 INFO L857 garLoopResultBuilder]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2021-10-20 06:02:10,488 INFO L857 garLoopResultBuilder]: For program point L809-3(lines 809 817) no Hoare annotation was computed. [2021-10-20 06:02:10,488 INFO L857 garLoopResultBuilder]: For program point L809-4(lines 809 817) no Hoare annotation was computed. [2021-10-20 06:02:10,488 INFO L857 garLoopResultBuilder]: For program point L809-5(lines 809 817) no Hoare annotation was computed. [2021-10-20 06:02:10,488 INFO L853 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:02:10,489 INFO L853 garLoopResultBuilder]: At program point L1008(lines 1 1019) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:02:10,489 INFO L857 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2021-10-20 06:02:10,489 INFO L853 garLoopResultBuilder]: At program point L712-1(lines 712 718) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse5 .cse1 .cse3))) [2021-10-20 06:02:10,489 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 06:02:10,489 INFO L853 garLoopResultBuilder]: At program point L780(lines 780 786) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse5 .cse1 .cse3))) [2021-10-20 06:02:10,489 INFO L853 garLoopResultBuilder]: At program point L780-1(lines 780 786) the Hoare annotation is: false [2021-10-20 06:02:10,489 INFO L853 garLoopResultBuilder]: At program point L780-2(lines 780 786) the Hoare annotation is: false [2021-10-20 06:02:10,490 INFO L853 garLoopResultBuilder]: At program point L549(lines 773 779) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-10-20 06:02:10,490 INFO L853 garLoopResultBuilder]: At program point L549-1(lines 773 779) the Hoare annotation is: false [2021-10-20 06:02:10,490 INFO L853 garLoopResultBuilder]: At program point L549-2(lines 773 779) the Hoare annotation is: false [2021-10-20 06:02:10,490 INFO L860 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2021-10-20 06:02:10,490 INFO L857 garLoopResultBuilder]: For program point L617(lines 617 621) no Hoare annotation was computed. [2021-10-20 06:02:10,490 INFO L853 garLoopResultBuilder]: At program point L685(lines 680 688) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-20 06:02:10,491 INFO L853 garLoopResultBuilder]: At program point L685-1(lines 680 688) the Hoare annotation is: false [2021-10-20 06:02:10,491 INFO L853 garLoopResultBuilder]: At program point L685-2(lines 680 688) the Hoare annotation is: false [2021-10-20 06:02:10,491 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 06:02:10,491 INFO L853 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:02:10,492 INFO L853 garLoopResultBuilder]: At program point L884(lines 879 887) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-10-20 06:02:10,492 INFO L853 garLoopResultBuilder]: At program point L884-1(lines 879 887) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:02:10,492 INFO L853 garLoopResultBuilder]: At program point L884-2(lines 879 887) the Hoare annotation is: false [2021-10-20 06:02:10,492 INFO L853 garLoopResultBuilder]: At program point L884-3(lines 879 887) the Hoare annotation is: false [2021-10-20 06:02:10,493 INFO L853 garLoopResultBuilder]: At program point L752(lines 701 753) the Hoare annotation is: false [2021-10-20 06:02:10,493 INFO L853 garLoopResultBuilder]: At program point L884-4(lines 879 887) the Hoare annotation is: false [2021-10-20 06:02:10,493 INFO L853 garLoopResultBuilder]: At program point L884-5(lines 879 887) the Hoare annotation is: false [2021-10-20 06:02:10,493 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 956) no Hoare annotation was computed. [2021-10-20 06:02:10,493 INFO L857 garLoopResultBuilder]: For program point L952-2(lines 952 956) no Hoare annotation was computed. [2021-10-20 06:02:10,493 INFO L857 garLoopResultBuilder]: For program point L952-3(lines 952 956) no Hoare annotation was computed. [2021-10-20 06:02:10,494 INFO L857 garLoopResultBuilder]: For program point L952-5(lines 952 956) no Hoare annotation was computed. [2021-10-20 06:02:10,494 INFO L857 garLoopResultBuilder]: For program point L952-6(lines 952 956) no Hoare annotation was computed. [2021-10-20 06:02:10,494 INFO L857 garLoopResultBuilder]: For program point L952-8(lines 952 956) no Hoare annotation was computed. [2021-10-20 06:02:10,494 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 06:02:10,494 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2021-10-20 06:02:10,494 INFO L853 garLoopResultBuilder]: At program point L722-1(lines 722 728) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse5 .cse1 .cse3))) [2021-10-20 06:02:10,495 INFO L857 garLoopResultBuilder]: For program point L526(line 526) no Hoare annotation was computed. [2021-10-20 06:02:10,495 INFO L857 garLoopResultBuilder]: For program point L526-1(line 526) no Hoare annotation was computed. [2021-10-20 06:02:10,495 INFO L857 garLoopResultBuilder]: For program point L526-2(line 526) no Hoare annotation was computed. [2021-10-20 06:02:10,495 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 597) no Hoare annotation was computed. [2021-10-20 06:02:10,495 INFO L857 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2021-10-20 06:02:10,495 INFO L853 garLoopResultBuilder]: At program point L560-1(lines 1 1019) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse7 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4)) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse8 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse5 .cse1 .cse7 .cse3 .cse8) (and .cse0 .cse6 .cse1 .cse2 .cse4) (and .cse0 .cse5 .cse1 .cse7 .cse3 .cse8 .cse4))) [2021-10-20 06:02:10,496 INFO L857 garLoopResultBuilder]: For program point L593-3(lines 593 597) no Hoare annotation was computed. [2021-10-20 06:02:10,496 INFO L857 garLoopResultBuilder]: For program point L560-2(lines 560 577) no Hoare annotation was computed. [2021-10-20 06:02:10,496 INFO L853 garLoopResultBuilder]: At program point L560-3(lines 1 1019) the Hoare annotation is: false [2021-10-20 06:02:10,496 INFO L857 garLoopResultBuilder]: For program point L560-4(lines 560 577) no Hoare annotation was computed. [2021-10-20 06:02:10,496 INFO L857 garLoopResultBuilder]: For program point L593-6(lines 593 597) no Hoare annotation was computed. [2021-10-20 06:02:10,497 INFO L853 garLoopResultBuilder]: At program point L560-5(lines 1 1019) the Hoare annotation is: false [2021-10-20 06:02:10,497 INFO L853 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2021-10-20 06:02:10,497 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 06:02:10,497 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2021-10-20 06:02:10,497 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-10-20 06:02:10,498 INFO L853 garLoopResultBuilder]: At program point L958(lines 943 961) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-20 06:02:10,498 INFO L853 garLoopResultBuilder]: At program point L958-1(lines 943 961) the Hoare annotation is: false [2021-10-20 06:02:10,498 INFO L853 garLoopResultBuilder]: At program point L958-2(lines 943 961) the Hoare annotation is: false [2021-10-20 06:02:10,498 INFO L853 garLoopResultBuilder]: At program point L662(lines 657 665) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse7 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse6 .cse1 .cse3 .cse7) (and .cse0 .cse6 .cse1 .cse3 .cse7 .cse4) (and .cse0 .cse6 .cse5 .cse1 .cse7 .cse4))) [2021-10-20 06:02:10,498 INFO L853 garLoopResultBuilder]: At program point L662-1(lines 657 665) the Hoare annotation is: false [2021-10-20 06:02:10,498 INFO L853 garLoopResultBuilder]: At program point L662-2(lines 657 665) the Hoare annotation is: false [2021-10-20 06:02:10,503 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 06:02:10,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:02:10 BoogieIcfgContainer [2021-10-20 06:02:10,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 06:02:10,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 06:02:10,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 06:02:10,580 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 06:02:10,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:01:42" (3/4) ... [2021-10-20 06:02:10,584 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 06:02:10,603 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-20 06:02:10,604 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-20 06:02:10,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 06:02:10,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 06:02:10,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 06:02:10,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:02:10,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:02:10,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-20 06:02:10,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-20 06:02:10,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-20 06:02:10,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-10-20 06:02:10,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-20 06:02:10,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-20 06:02:10,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-20 06:02:10,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-20 06:02:10,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) [2021-10-20 06:02:10,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) [2021-10-20 06:02:10,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-20 06:02:10,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-20 06:02:10,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-10-20 06:02:10,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result [2021-10-20 06:02:10,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-20 06:02:10,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-20 06:02:10,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result [2021-10-20 06:02:10,645 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-20 06:02:10,704 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 06:02:10,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 06:02:10,706 INFO L168 Benchmark]: Toolchain (without parser) took 31878.16 ms. Allocated memory was 79.7 MB in the beginning and 174.1 MB in the end (delta: 94.4 MB). Free memory was 61.8 MB in the beginning and 126.3 MB in the end (delta: -64.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2021-10-20 06:02:10,707 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 59.5 MB in the beginning and 59.4 MB in the end (delta: 60.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:02:10,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.28 ms. Allocated memory is still 79.7 MB. Free memory was 61.7 MB in the beginning and 58.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:02:10,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.39 ms. Allocated memory is still 79.7 MB. Free memory was 58.2 MB in the beginning and 54.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:02:10,708 INFO L168 Benchmark]: Boogie Preprocessor took 91.37 ms. Allocated memory is still 79.7 MB. Free memory was 54.2 MB in the beginning and 51.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:02:10,708 INFO L168 Benchmark]: RCFGBuilder took 2361.61 ms. Allocated memory was 79.7 MB in the beginning and 119.5 MB in the end (delta: 39.8 MB). Free memory was 51.5 MB in the beginning and 82.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-10-20 06:02:10,708 INFO L168 Benchmark]: TraceAbstraction took 28464.76 ms. Allocated memory was 119.5 MB in the beginning and 174.1 MB in the end (delta: 54.5 MB). Free memory was 82.8 MB in the beginning and 136.8 MB in the end (delta: -53.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 16.1 GB. [2021-10-20 06:02:10,709 INFO L168 Benchmark]: Witness Printer took 124.77 ms. Allocated memory is still 174.1 MB. Free memory was 136.8 MB in the beginning and 126.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 06:02:10,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 59.5 MB in the beginning and 59.4 MB in the end (delta: 60.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 714.28 ms. Allocated memory is still 79.7 MB. Free memory was 61.7 MB in the beginning and 58.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.39 ms. Allocated memory is still 79.7 MB. Free memory was 58.2 MB in the beginning and 54.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.37 ms. Allocated memory is still 79.7 MB. Free memory was 54.2 MB in the beginning and 51.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2361.61 ms. Allocated memory was 79.7 MB in the beginning and 119.5 MB in the end (delta: 39.8 MB). Free memory was 51.5 MB in the beginning and 82.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28464.76 ms. Allocated memory was 119.5 MB in the beginning and 174.1 MB in the end (delta: 54.5 MB). Free memory was 82.8 MB in the beginning and 136.8 MB in the end (delta: -53.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 16.1 GB. * Witness Printer took 124.77 ms. Allocated memory is still 174.1 MB. Free memory was 136.8 MB in the beginning and 126.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 526]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 526]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 526]: 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, 128 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 28311.4ms, OverallIterations: 11, TraceHistogramMax: 4, EmptinessCheckTime: 30.5ms, AutomataDifference: 9555.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 8465.4ms, InitialAbstractionConstructionTime: 13.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1400 SDtfs, 3743 SDslu, 3842 SDs, 0 SdLazy, 956 SolverSat, 266 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6133.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1233 GetRequests, 1085 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4435 ImplicationChecksByTransitivity, 2417.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=10, InterpolantAutomatonStates: 149, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 326.7ms AutomataMinimizationTime, 11 MinimizatonAttempts, 2732 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 200 NumberOfFragments, 958 HoareAnnotationTreeSize, 51 FomulaSimplifications, 283075 FormulaSimplificationTreeSizeReduction, 1820.6ms HoareSimplificationTime, 51 FomulaSimplificationsInter, 510215 FormulaSimplificationTreeSizeReductionInter, 6631.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 296.8ms SsaConstructionTime, 1398.8ms SatisfiabilityAnalysisTime, 3527.0ms InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1046 ConstructedInterpolants, 0 QuantifiedInterpolants, 1871 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2929 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 290/314 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: 879]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-20 06:02:10,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a1c46e-2dc7-450a-afd9-6ab45680472e/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...