./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.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_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE --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 7c7779f94f1738e754b88f9a8a8e36de7065a4e94578f4135106bd0ff9ddb13d ............................................................................................................................................ 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_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE --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 7c7779f94f1738e754b88f9a8a8e36de7065a4e94578f4135106bd0ff9ddb13d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:17:29,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:17:29,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:17:29,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:17:29,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:17:29,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:17:29,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:17:29,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:17:29,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:17:29,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:17:29,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:17:29,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:17:29,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:17:29,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:17:29,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:17:29,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:17:29,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:17:29,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:17:29,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:17:29,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:17:29,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:17:29,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:17:29,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:17:29,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:17:29,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:17:29,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:17:29,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:17:29,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:17:29,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:17:29,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:17:29,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:17:29,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:17:29,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:17:29,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:17:29,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:17:29,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:17:29,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:17:29,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:17:29,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:17:29,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:17:29,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:17:29,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:17:29,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:17:29,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:17:29,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:17:29,350 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:17:29,350 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:17:29,350 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:17:29,350 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:17:29,351 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:17:29,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:17:29,351 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:17:29,353 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:17:29,353 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:17:29,353 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:17:29,354 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:17:29,354 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:17:29,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:17:29,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:17:29,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:17:29,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:17:29,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:17:29,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:17:29,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:17:29,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:17:29,357 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:17:29,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:17:29,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:17:29,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:17:29,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:17:29,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:17:29,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:17:29,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:17:29,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:17:29,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:17:29,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:17:29,361 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:17:29,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:17:29,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:17:29,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:17:29,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:17:29,362 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_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c7779f94f1738e754b88f9a8a8e36de7065a4e94578f4135106bd0ff9ddb13d [2021-10-24 10:17:29,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:17:29,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:17:29,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:17:29,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:17:29,820 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:17:29,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2021-10-24 10:17:29,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/data/2a7b80508/7f2a9b74d847402285911007996f5f5f/FLAGf5b1bed0a [2021-10-24 10:17:30,717 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:17:30,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2021-10-24 10:17:30,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/data/2a7b80508/7f2a9b74d847402285911007996f5f5f/FLAGf5b1bed0a [2021-10-24 10:17:30,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/data/2a7b80508/7f2a9b74d847402285911007996f5f5f [2021-10-24 10:17:30,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:17:30,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:17:30,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:17:30,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:17:30,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:17:30,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:17:30" (1/1) ... [2021-10-24 10:17:30,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b20ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:30, skipping insertion in model container [2021-10-24 10:17:30,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:17:30" (1/1) ... [2021-10-24 10:17:30,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:17:31,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:17:31,542 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_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[15018,15031] [2021-10-24 10:17:31,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:17:31,624 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) [2021-10-24 10:17:31,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e6e694d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:31, skipping insertion in model container [2021-10-24 10:17:31,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:17:31,627 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:17:31,630 INFO L168 Benchmark]: Toolchain (without parser) took 669.99 ms. Allocated memory is still 100.7 MB. Free memory was 60.3 MB in the beginning and 71.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:17:31,633 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 77.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:17:31,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.14 ms. Allocated memory is still 100.7 MB. Free memory was 60.2 MB in the beginning and 71.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:17:31,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 77.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 664.14 ms. Allocated memory is still 100.7 MB. Free memory was 60.2 MB in the beginning and 71.7 MB in the end (delta: -11.5 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 [2021-10-24 10:17:34,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:17:34,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:17:34,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:17:34,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:17:34,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:17:34,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:17:34,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:17:34,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:17:34,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:17:34,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:17:34,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:17:34,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:17:34,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:17:34,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:17:34,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:17:34,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:17:34,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:17:34,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:17:34,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:17:34,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:17:34,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:17:34,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:17:34,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:17:34,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:17:34,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:17:34,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:17:34,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:17:34,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:17:34,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:17:34,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:17:34,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:17:34,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:17:34,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:17:34,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:17:34,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:17:34,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:17:34,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:17:34,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:17:34,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:17:34,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:17:34,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:17:34,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:17:34,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:17:34,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:17:34,914 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:17:34,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:17:34,915 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:17:34,915 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:17:34,915 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:17:34,916 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:17:34,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:17:34,919 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:17:34,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:17:34,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:17:34,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:17:34,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:17:34,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:17:34,921 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:17:34,922 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:17:34,922 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:17:34,922 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:17:34,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:17:34,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:17:34,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:17:34,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:17:34,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:17:34,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:17:34,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:17:34,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:17:34,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:17:34,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:17:34,925 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:17:34,926 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:17:34,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:17:34,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:17:34,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:17:34,927 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_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c7779f94f1738e754b88f9a8a8e36de7065a4e94578f4135106bd0ff9ddb13d [2021-10-24 10:17:35,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:17:35,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:17:35,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:17:35,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:17:35,518 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:17:35,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2021-10-24 10:17:35,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/data/039ae8509/7ce213c55a1f4a68955b58b77da883c5/FLAG76ebd5468 [2021-10-24 10:17:36,260 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:17:36,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2021-10-24 10:17:36,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/data/039ae8509/7ce213c55a1f4a68955b58b77da883c5/FLAG76ebd5468 [2021-10-24 10:17:36,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/data/039ae8509/7ce213c55a1f4a68955b58b77da883c5 [2021-10-24 10:17:36,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:17:36,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:17:36,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:17:36,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:17:36,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:17:36,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:17:36" (1/1) ... [2021-10-24 10:17:36,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16765081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:36, skipping insertion in model container [2021-10-24 10:17:36,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:17:36" (1/1) ... [2021-10-24 10:17:36,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:17:36,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:17:37,008 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_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[15018,15031] [2021-10-24 10:17:37,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:17:37,065 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:17:37,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:17:37,194 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_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[15018,15031] [2021-10-24 10:17:37,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:17:37,238 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:17:37,312 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_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[15018,15031] [2021-10-24 10:17:37,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:17:37,379 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:17:37,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37 WrapperNode [2021-10-24 10:17:37,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:17:37,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:17:37,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:17:37,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:17:37,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37" (1/1) ... [2021-10-24 10:17:37,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37" (1/1) ... [2021-10-24 10:17:37,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:17:37,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:17:37,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:17:37,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:17:37,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37" (1/1) ... [2021-10-24 10:17:37,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37" (1/1) ... [2021-10-24 10:17:37,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37" (1/1) ... [2021-10-24 10:17:37,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37" (1/1) ... [2021-10-24 10:17:37,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37" (1/1) ... [2021-10-24 10:17:37,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37" (1/1) ... [2021-10-24 10:17:37,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37" (1/1) ... [2021-10-24 10:17:37,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:17:37,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:17:37,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:17:37,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:17:37,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37" (1/1) ... [2021-10-24 10:17:37,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:17:37,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:17:37,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:17:37,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:17:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:17:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:17:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:17:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:17:41,524 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:17:41,525 INFO L299 CfgBuilder]: Removed 352 assume(true) statements. [2021-10-24 10:17:41,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:17:41 BoogieIcfgContainer [2021-10-24 10:17:41,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:17:41,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:17:41,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:17:41,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:17:41,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:17:36" (1/3) ... [2021-10-24 10:17:41,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c97877f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:17:41, skipping insertion in model container [2021-10-24 10:17:41,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:37" (2/3) ... [2021-10-24 10:17:41,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c97877f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:17:41, skipping insertion in model container [2021-10-24 10:17:41,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:17:41" (3/3) ... [2021-10-24 10:17:41,540 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2021-10-24 10:17:41,547 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:17:41,547 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:17:41,601 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:17:41,607 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 [2021-10-24 10:17:41,607 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:17:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 223 states have (on average 1.5201793721973094) internal successors, (339), 226 states have internal predecessors, (339), 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) [2021-10-24 10:17:41,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:17:41,645 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:17:41,646 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:17:41,647 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:17:41,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:17:41,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1634761723, now seen corresponding path program 1 times [2021-10-24 10:17:41,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:17:41,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323588373] [2021-10-24 10:17:41,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:41,680 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:17:41,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:17:41,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:17:41,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:17:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:41,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:17:41,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:42,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:42,189 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:17:42,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323588373] [2021-10-24 10:17:42,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1323588373] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:17:42,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:17:42,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:17:42,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204676220] [2021-10-24 10:17:42,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:17:42,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:17:42,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:17:42,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:17:42,224 INFO L87 Difference]: Start difference. First operand has 227 states, 223 states have (on average 1.5201793721973094) internal successors, (339), 226 states have internal predecessors, (339), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-24 10:17:42,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:17:42,315 INFO L93 Difference]: Finished difference Result 448 states and 671 transitions. [2021-10-24 10:17:42,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:17:42,318 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-24 10:17:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:17:42,345 INFO L225 Difference]: With dead ends: 448 [2021-10-24 10:17:42,345 INFO L226 Difference]: Without dead ends: 223 [2021-10-24 10:17:42,350 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:17:42,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2021-10-24 10:17:42,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2021-10-24 10:17:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 220 states have (on average 1.4863636363636363) internal successors, (327), 222 states have internal predecessors, (327), 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) [2021-10-24 10:17:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2021-10-24 10:17:42,425 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2021-10-24 10:17:42,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:17:42,432 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2021-10-24 10:17:42,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-24 10:17:42,434 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2021-10-24 10:17:42,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:17:42,436 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:17:42,436 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:17:42,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:17:42,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:17:42,638 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:17:42,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:17:42,639 INFO L82 PathProgramCache]: Analyzing trace with hash 588004826, now seen corresponding path program 1 times [2021-10-24 10:17:42,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:17:42,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30062434] [2021-10-24 10:17:42,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:42,641 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:17:42,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:17:42,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:17:42,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:17:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:42,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:17:42,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:42,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:43,062 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:17:43,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30062434] [2021-10-24 10:17:43,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30062434] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:17:43,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:17:43,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:17:43,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712847481] [2021-10-24 10:17:43,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:17:43,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:17:43,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:17:43,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:17:43,076 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-24 10:17:43,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:17:43,103 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2021-10-24 10:17:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:17:43,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17 [2021-10-24 10:17:43,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:17:43,106 INFO L225 Difference]: With dead ends: 223 [2021-10-24 10:17:43,106 INFO L226 Difference]: Without dead ends: 85 [2021-10-24 10:17:43,108 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:17:43,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-24 10:17:43,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-24 10:17:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.4761904761904763) internal successors, (124), 84 states have internal predecessors, (124), 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) [2021-10-24 10:17:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2021-10-24 10:17:43,120 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2021-10-24 10:17:43,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:17:43,120 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2021-10-24 10:17:43,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-24 10:17:43,121 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2021-10-24 10:17:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:17:43,123 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:17:43,123 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] [2021-10-24 10:17:43,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:17:43,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:17:43,343 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:17:43,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:17:43,343 INFO L82 PathProgramCache]: Analyzing trace with hash 614961122, now seen corresponding path program 1 times [2021-10-24 10:17:43,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:17:43,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180054572] [2021-10-24 10:17:43,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:43,345 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:17:43,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:17:43,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:17:43,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:17:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:43,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:17:43,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:43,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:43,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:43,843 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:17:43,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180054572] [2021-10-24 10:17:43,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180054572] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:17:43,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:17:43,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:17:43,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561772450] [2021-10-24 10:17:43,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:17:43,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:17:43,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:17:43,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:17:43,847 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-24 10:17:43,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:17:43,901 INFO L93 Difference]: Finished difference Result 266 states and 394 transitions. [2021-10-24 10:17:43,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:17:43,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 22 [2021-10-24 10:17:43,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:17:43,904 INFO L225 Difference]: With dead ends: 266 [2021-10-24 10:17:43,904 INFO L226 Difference]: Without dead ends: 187 [2021-10-24 10:17:43,906 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:17:43,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-24 10:17:43,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 104. [2021-10-24 10:17:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.4854368932038835) internal successors, (153), 103 states have internal predecessors, (153), 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) [2021-10-24 10:17:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2021-10-24 10:17:43,927 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 22 [2021-10-24 10:17:43,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:17:43,928 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2021-10-24 10:17:43,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-24 10:17:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2021-10-24 10:17:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:17:43,930 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:17:43,930 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:17:43,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:17:44,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:17:44,155 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:17:44,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:17:44,156 INFO L82 PathProgramCache]: Analyzing trace with hash -95779936, now seen corresponding path program 1 times [2021-10-24 10:17:44,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:17:44,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597669605] [2021-10-24 10:17:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:44,157 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:17:44,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:17:44,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:17:44,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:17:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:44,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:17:44,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:44,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:44,664 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:17:44,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597669605] [2021-10-24 10:17:44,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597669605] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:17:44,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:17:44,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:17:44,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956055972] [2021-10-24 10:17:44,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:17:44,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:17:44,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:17:44,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:17:44,667 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:17:44,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:17:44,823 INFO L93 Difference]: Finished difference Result 208 states and 308 transitions. [2021-10-24 10:17:44,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:17:44,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 10:17:44,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:17:44,826 INFO L225 Difference]: With dead ends: 208 [2021-10-24 10:17:44,826 INFO L226 Difference]: Without dead ends: 110 [2021-10-24 10:17:44,827 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:17:44,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-24 10:17:44,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2021-10-24 10:17:44,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.4299065420560748) internal successors, (153), 107 states have internal predecessors, (153), 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) [2021-10-24 10:17:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2021-10-24 10:17:44,865 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 25 [2021-10-24 10:17:44,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:17:44,866 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2021-10-24 10:17:44,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:17:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2021-10-24 10:17:44,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:17:44,868 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:17:44,868 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:17:44,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-24 10:17:45,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:17:45,091 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:17:45,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:17:45,092 INFO L82 PathProgramCache]: Analyzing trace with hash -562945097, now seen corresponding path program 1 times [2021-10-24 10:17:45,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:17:45,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380624999] [2021-10-24 10:17:45,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:45,093 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:17:45,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:17:45,095 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:17:45,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:17:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:45,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:17:45,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:45,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:45,707 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:17:45,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380624999] [2021-10-24 10:17:45,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380624999] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:17:45,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:17:45,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:17:45,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105785661] [2021-10-24 10:17:45,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:17:45,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:17:45,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:17:45,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:17:45,710 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:17:46,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:17:46,281 INFO L93 Difference]: Finished difference Result 823 states and 1190 transitions. [2021-10-24 10:17:46,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 10:17:46,282 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 10:17:46,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:17:46,290 INFO L225 Difference]: With dead ends: 823 [2021-10-24 10:17:46,291 INFO L226 Difference]: Without dead ends: 721 [2021-10-24 10:17:46,298 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 180.9ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 10:17:46,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2021-10-24 10:17:46,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 262. [2021-10-24 10:17:46,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.3984674329501916) internal successors, (365), 261 states have internal predecessors, (365), 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) [2021-10-24 10:17:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 365 transitions. [2021-10-24 10:17:46,395 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 365 transitions. Word has length 25 [2021-10-24 10:17:46,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:17:46,396 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 365 transitions. [2021-10-24 10:17:46,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:17:46,396 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 365 transitions. [2021-10-24 10:17:46,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-24 10:17:46,403 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:17:46,403 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] [2021-10-24 10:17:46,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:17:46,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:17:46,610 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:17:46,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:17:46,610 INFO L82 PathProgramCache]: Analyzing trace with hash 2068693080, now seen corresponding path program 1 times [2021-10-24 10:17:46,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:17:46,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1044504015] [2021-10-24 10:17:46,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:46,612 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:17:46,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:17:46,613 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:17:46,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:17:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:46,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:17:46,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:47,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:47,339 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:17:47,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1044504015] [2021-10-24 10:17:47,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1044504015] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:17:47,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1748864729] [2021-10-24 10:17:47,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:47,340 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:17:47,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:17:47,344 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:17:47,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-24 10:17:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:47,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:17:47,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-24 10:17:47,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-24 10:17:48,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1748864729] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:17:48,008 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:17:48,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-24 10:17:48,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958868889] [2021-10-24 10:17:48,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:17:48,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:17:48,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:17:48,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:17:48,011 INFO L87 Difference]: Start difference. First operand 262 states and 365 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-10-24 10:17:48,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:17:48,344 INFO L93 Difference]: Finished difference Result 648 states and 914 transitions. [2021-10-24 10:17:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:17:48,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 40 [2021-10-24 10:17:48,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:17:48,350 INFO L225 Difference]: With dead ends: 648 [2021-10-24 10:17:48,351 INFO L226 Difference]: Without dead ends: 646 [2021-10-24 10:17:48,352 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 144.2ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-24 10:17:48,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2021-10-24 10:17:48,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 262. [2021-10-24 10:17:48,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.3908045977011494) internal successors, (363), 261 states have internal predecessors, (363), 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) [2021-10-24 10:17:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 363 transitions. [2021-10-24 10:17:48,401 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 363 transitions. Word has length 40 [2021-10-24 10:17:48,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:17:48,403 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 363 transitions. [2021-10-24 10:17:48,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-10-24 10:17:48,404 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 363 transitions. [2021-10-24 10:17:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-24 10:17:48,411 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:17:48,411 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-24 10:17:48,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:17:48,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2021-10-24 10:17:48,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:17:48,826 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:17:48,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:17:48,827 INFO L82 PathProgramCache]: Analyzing trace with hash 354193207, now seen corresponding path program 1 times [2021-10-24 10:17:48,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:17:48,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361562400] [2021-10-24 10:17:48,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:48,828 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:17:48,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:17:48,829 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:17:48,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:17:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:49,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:17:49,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:49,384 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:49,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:49,640 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:17:49,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361562400] [2021-10-24 10:17:49,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1361562400] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:17:49,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1235716743] [2021-10-24 10:17:49,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:49,641 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:17:49,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:17:49,646 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:17:49,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-24 10:17:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:50,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:17:50,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:50,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:17:50,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1235716743] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:17:50,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:17:50,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 7 [2021-10-24 10:17:50,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819107732] [2021-10-24 10:17:50,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:17:50,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:17:50,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:17:50,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:17:50,491 INFO L87 Difference]: Start difference. First operand 262 states and 363 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-10-24 10:17:52,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:17:52,231 INFO L93 Difference]: Finished difference Result 524 states and 726 transitions. [2021-10-24 10:17:52,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:17:52,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2021-10-24 10:17:52,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:17:52,234 INFO L225 Difference]: With dead ends: 524 [2021-10-24 10:17:52,234 INFO L226 Difference]: Without dead ends: 204 [2021-10-24 10:17:52,235 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 44.9ms TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:17:52,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-10-24 10:17:52,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2021-10-24 10:17:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3596059113300492) internal successors, (276), 203 states have internal predecessors, (276), 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) [2021-10-24 10:17:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2021-10-24 10:17:52,277 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 52 [2021-10-24 10:17:52,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:17:52,278 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2021-10-24 10:17:52,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-10-24 10:17:52,278 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2021-10-24 10:17:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 10:17:52,280 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:17:52,280 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2021-10-24 10:17:52,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2021-10-24 10:17:52,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:17:52,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:17:52,683 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:17:52,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:17:52,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1855386220, now seen corresponding path program 1 times [2021-10-24 10:17:52,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:17:52,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115146281] [2021-10-24 10:17:52,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:52,685 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:17:52,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:17:52,688 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:17:52,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:17:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:53,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:17:53,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:17:53,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:53,568 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:17:53,569 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:17:53,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115146281] [2021-10-24 10:17:53,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1115146281] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:17:53,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:17:53,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-24 10:17:53,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128926006] [2021-10-24 10:17:53,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:17:53,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:17:53,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:17:53,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:17:53,571 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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) [2021-10-24 10:17:55,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:17:55,396 INFO L93 Difference]: Finished difference Result 607 states and 835 transitions. [2021-10-24 10:17:55,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 10:17:55,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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 [2021-10-24 10:17:55,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:17:55,400 INFO L225 Difference]: With dead ends: 607 [2021-10-24 10:17:55,401 INFO L226 Difference]: Without dead ends: 453 [2021-10-24 10:17:55,401 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 53.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:17:55,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-10-24 10:17:55,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 365. [2021-10-24 10:17:55,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 364 states have (on average 1.3434065934065933) internal successors, (489), 364 states have internal predecessors, (489), 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) [2021-10-24 10:17:55,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 489 transitions. [2021-10-24 10:17:55,463 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 489 transitions. Word has length 58 [2021-10-24 10:17:55,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:17:55,464 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 489 transitions. [2021-10-24 10:17:55,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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) [2021-10-24 10:17:55,464 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 489 transitions. [2021-10-24 10:17:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-24 10:17:55,467 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:17:55,467 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2021-10-24 10:17:55,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:17:55,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:17:55,687 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:17:55,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:17:55,687 INFO L82 PathProgramCache]: Analyzing trace with hash 892761924, now seen corresponding path program 1 times [2021-10-24 10:17:55,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:17:55,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544342289] [2021-10-24 10:17:55,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:55,689 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:17:55,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:17:55,690 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:17:55,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 10:17:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:56,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:17:56,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:17:56,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:17:56,514 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:17:56,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544342289] [2021-10-24 10:17:56,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544342289] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:17:56,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:17:56,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:17:56,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256332492] [2021-10-24 10:17:56,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:17:56,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:17:56,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:17:56,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:17:56,516 INFO L87 Difference]: Start difference. First operand 365 states and 489 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2021-10-24 10:17:56,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:17:56,716 INFO L93 Difference]: Finished difference Result 948 states and 1253 transitions. [2021-10-24 10:17:56,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:17:56,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 59 [2021-10-24 10:17:56,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:17:56,721 INFO L225 Difference]: With dead ends: 948 [2021-10-24 10:17:56,721 INFO L226 Difference]: Without dead ends: 589 [2021-10-24 10:17:56,723 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:17:56,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2021-10-24 10:17:56,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 398. [2021-10-24 10:17:56,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 397 states have (on average 1.314861460957179) internal successors, (522), 397 states have internal predecessors, (522), 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) [2021-10-24 10:17:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 522 transitions. [2021-10-24 10:17:56,790 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 522 transitions. Word has length 59 [2021-10-24 10:17:56,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:17:56,793 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 522 transitions. [2021-10-24 10:17:56,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2021-10-24 10:17:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 522 transitions. [2021-10-24 10:17:56,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-24 10:17:56,795 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:17:56,796 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2021-10-24 10:17:56,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:17:57,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:17:57,012 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:17:57,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:17:57,013 INFO L82 PathProgramCache]: Analyzing trace with hash -136597374, now seen corresponding path program 1 times [2021-10-24 10:17:57,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:17:57,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996960207] [2021-10-24 10:17:57,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:57,014 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:17:57,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:17:57,015 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:17:57,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-24 10:17:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:57,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:17:57,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:17:57,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:17:57,847 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:17:57,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996960207] [2021-10-24 10:17:57,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996960207] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:17:57,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:17:57,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:17:57,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163622064] [2021-10-24 10:17:57,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:17:57,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:17:57,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:17:57,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:17:57,851 INFO L87 Difference]: Start difference. First operand 398 states and 522 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-10-24 10:17:57,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:17:57,997 INFO L93 Difference]: Finished difference Result 851 states and 1109 transitions. [2021-10-24 10:17:57,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:17:57,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 59 [2021-10-24 10:17:57,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:17:58,001 INFO L225 Difference]: With dead ends: 851 [2021-10-24 10:17:58,002 INFO L226 Difference]: Without dead ends: 459 [2021-10-24 10:17:58,003 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 36.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:17:58,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2021-10-24 10:17:58,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 342. [2021-10-24 10:17:58,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 1.2903225806451613) internal successors, (440), 341 states have internal predecessors, (440), 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) [2021-10-24 10:17:58,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 440 transitions. [2021-10-24 10:17:58,056 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 440 transitions. Word has length 59 [2021-10-24 10:17:58,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:17:58,057 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 440 transitions. [2021-10-24 10:17:58,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-10-24 10:17:58,057 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 440 transitions. [2021-10-24 10:17:58,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-24 10:17:58,058 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:17:58,059 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2021-10-24 10:17:58,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:17:58,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:17:58,274 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:17:58,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:17:58,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1139010814, now seen corresponding path program 1 times [2021-10-24 10:17:58,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:17:58,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652114430] [2021-10-24 10:17:58,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:58,275 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:17:58,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:17:58,277 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:17:58,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 10:17:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:17:58,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:17:58,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:17:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:17:59,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:17:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:17:59,510 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:17:59,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652114430] [2021-10-24 10:17:59,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [652114430] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:17:59,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [617676969] [2021-10-24 10:17:59,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:17:59,511 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:17:59,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:17:59,517 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:17:59,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-24 10:18:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:18:00,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-24 10:18:00,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:18:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:18:00,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:18:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:18:00,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [617676969] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:18:00,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060729962] [2021-10-24 10:18:00,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:18:00,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:18:00,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:18:00,906 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:18:00,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-24 10:18:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:18:01,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:18:01,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:18:01,824 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:18:01,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:18:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:18:02,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060729962] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:18:02,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:18:02,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-10-24 10:18:02,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686101049] [2021-10-24 10:18:02,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-24 10:18:02,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:18:02,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-24 10:18:02,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-24 10:18:02,117 INFO L87 Difference]: Start difference. First operand 342 states and 440 transitions. Second operand has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 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) [2021-10-24 10:18:08,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:18:08,799 INFO L93 Difference]: Finished difference Result 2915 states and 3734 transitions. [2021-10-24 10:18:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-24 10:18:08,800 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 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 60 [2021-10-24 10:18:08,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:18:08,822 INFO L225 Difference]: With dead ends: 2915 [2021-10-24 10:18:08,822 INFO L226 Difference]: Without dead ends: 2603 [2021-10-24 10:18:08,827 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1909 ImplicationChecksByTransitivity, 1765.4ms TimeCoverageRelationStatistics Valid=1005, Invalid=4251, Unknown=0, NotChecked=0, Total=5256 [2021-10-24 10:18:08,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2021-10-24 10:18:08,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 544. [2021-10-24 10:18:08,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 543 states have (on average 1.289134438305709) internal successors, (700), 543 states have internal predecessors, (700), 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) [2021-10-24 10:18:08,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 700 transitions. [2021-10-24 10:18:08,947 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 700 transitions. Word has length 60 [2021-10-24 10:18:08,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:18:08,947 INFO L470 AbstractCegarLoop]: Abstraction has 544 states and 700 transitions. [2021-10-24 10:18:08,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 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) [2021-10-24 10:18:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 700 transitions. [2021-10-24 10:18:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-24 10:18:08,949 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:18:08,950 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:18:08,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2021-10-24 10:18:09,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:18:09,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-24 10:18:09,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:18:09,554 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:18:09,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:18:09,554 INFO L82 PathProgramCache]: Analyzing trace with hash 50311137, now seen corresponding path program 1 times [2021-10-24 10:18:09,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:18:09,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773907278] [2021-10-24 10:18:09,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:18:09,555 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:18:09,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:18:09,557 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:18:09,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-24 10:18:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:18:10,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:18:10,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:18:10,385 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 10:18:10,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:18:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 10:18:10,655 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:18:10,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773907278] [2021-10-24 10:18:10,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773907278] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:18:10,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:18:10,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:18:10,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545791671] [2021-10-24 10:18:10,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:18:10,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:18:10,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:18:10,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:18:10,662 INFO L87 Difference]: Start difference. First operand 544 states and 700 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2021-10-24 10:18:10,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:18:10,742 INFO L93 Difference]: Finished difference Result 745 states and 947 transitions. [2021-10-24 10:18:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:18:10,743 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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 85 [2021-10-24 10:18:10,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:18:10,743 INFO L225 Difference]: With dead ends: 745 [2021-10-24 10:18:10,743 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:18:10,745 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 57.5ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:18:10,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:18:10,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:18:10,746 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) [2021-10-24 10:18:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:18:10,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2021-10-24 10:18:10,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:18:10,746 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:18:10,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2021-10-24 10:18:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:18:10,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:18:10,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:18:10,751 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:18:10,751 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:18:10,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-10-24 10:18:10,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:18:10,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:18:10,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:11,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:11,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:11,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:11,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:11,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:11,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:11,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:11,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:11,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:11,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:11,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:12,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:13,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:18:20,510 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-10-24 10:18:20,510 INFO L857 garLoopResultBuilder]: For program point L696(line 696) no Hoare annotation was computed. [2021-10-24 10:18:20,511 INFO L857 garLoopResultBuilder]: For program point L696-1(line 696) no Hoare annotation was computed. [2021-10-24 10:18:20,511 INFO L857 garLoopResultBuilder]: For program point L696-2(line 696) no Hoare annotation was computed. [2021-10-24 10:18:20,511 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-10-24 10:18:20,511 INFO L857 garLoopResultBuilder]: For program point L432-1(lines 711 717) no Hoare annotation was computed. [2021-10-24 10:18:20,512 INFO L853 garLoopResultBuilder]: At program point L632(lines 627 635) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-24 10:18:20,512 INFO L853 garLoopResultBuilder]: At program point L632-1(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,512 INFO L853 garLoopResultBuilder]: At program point L632-2(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,512 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2021-10-24 10:18:20,513 INFO L853 garLoopResultBuilder]: At program point L632-3(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,513 INFO L853 garLoopResultBuilder]: At program point L566-1(lines 1 1024) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse1)))) [2021-10-24 10:18:20,513 INFO L853 garLoopResultBuilder]: At program point L632-4(lines 627 635) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:20,513 INFO L857 garLoopResultBuilder]: For program point L566-2(lines 566 579) no Hoare annotation was computed. [2021-10-24 10:18:20,514 INFO L853 garLoopResultBuilder]: At program point L632-5(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,514 INFO L853 garLoopResultBuilder]: At program point L566-3(lines 1 1024) the Hoare annotation is: false [2021-10-24 10:18:20,514 INFO L853 garLoopResultBuilder]: At program point L632-6(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,514 INFO L857 garLoopResultBuilder]: For program point L566-4(lines 566 579) no Hoare annotation was computed. [2021-10-24 10:18:20,514 INFO L853 garLoopResultBuilder]: At program point L632-7(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,515 INFO L853 garLoopResultBuilder]: At program point L566-5(lines 1 1024) the Hoare annotation is: false [2021-10-24 10:18:20,515 INFO L853 garLoopResultBuilder]: At program point L632-8(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,515 INFO L853 garLoopResultBuilder]: At program point L632-9(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,515 INFO L853 garLoopResultBuilder]: At program point L632-10(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,515 INFO L853 garLoopResultBuilder]: At program point L632-11(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,516 INFO L853 garLoopResultBuilder]: At program point L632-12(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,516 INFO L853 garLoopResultBuilder]: At program point L632-13(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,516 INFO L853 garLoopResultBuilder]: At program point L632-14(lines 627 635) the Hoare annotation is: false [2021-10-24 10:18:20,516 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,516 INFO L857 garLoopResultBuilder]: For program point L831-2(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,517 INFO L857 garLoopResultBuilder]: For program point L831-4(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,517 INFO L857 garLoopResultBuilder]: For program point L831-6(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,517 INFO L857 garLoopResultBuilder]: For program point L831-8(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,517 INFO L857 garLoopResultBuilder]: For program point L831-10(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,517 INFO L857 garLoopResultBuilder]: For program point L831-12(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,518 INFO L857 garLoopResultBuilder]: For program point L831-14(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,518 INFO L857 garLoopResultBuilder]: For program point L831-16(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,518 INFO L857 garLoopResultBuilder]: For program point L831-18(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,518 INFO L857 garLoopResultBuilder]: For program point L831-20(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,518 INFO L857 garLoopResultBuilder]: For program point L831-22(lines 831 837) no Hoare annotation was computed. [2021-10-24 10:18:20,519 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2021-10-24 10:18:20,519 INFO L857 garLoopResultBuilder]: For program point L570-2(lines 570 576) no Hoare annotation was computed. [2021-10-24 10:18:20,519 INFO L857 garLoopResultBuilder]: For program point L570-4(lines 570 576) no Hoare annotation was computed. [2021-10-24 10:18:20,519 INFO L857 garLoopResultBuilder]: For program point L769(lines 769 786) no Hoare annotation was computed. [2021-10-24 10:18:20,519 INFO L857 garLoopResultBuilder]: For program point L769-1(lines 769 786) no Hoare annotation was computed. [2021-10-24 10:18:20,520 INFO L857 garLoopResultBuilder]: For program point L769-2(lines 769 786) no Hoare annotation was computed. [2021-10-24 10:18:20,520 INFO L857 garLoopResultBuilder]: For program point L769-3(lines 769 786) no Hoare annotation was computed. [2021-10-24 10:18:20,520 INFO L857 garLoopResultBuilder]: For program point L769-4(lines 769 786) no Hoare annotation was computed. [2021-10-24 10:18:20,520 INFO L857 garLoopResultBuilder]: For program point L769-5(lines 769 786) no Hoare annotation was computed. [2021-10-24 10:18:20,520 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 513) no Hoare annotation was computed. [2021-10-24 10:18:20,520 INFO L860 garLoopResultBuilder]: At program point L506-1(lines 506 513) the Hoare annotation is: true [2021-10-24 10:18:20,521 INFO L857 garLoopResultBuilder]: For program point L970(lines 969 1016) no Hoare annotation was computed. [2021-10-24 10:18:20,521 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 975) no Hoare annotation was computed. [2021-10-24 10:18:20,521 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 781) no Hoare annotation was computed. [2021-10-24 10:18:20,521 INFO L857 garLoopResultBuilder]: For program point L773-1(lines 773 781) no Hoare annotation was computed. [2021-10-24 10:18:20,521 INFO L857 garLoopResultBuilder]: For program point L773-2(lines 773 781) no Hoare annotation was computed. [2021-10-24 10:18:20,522 INFO L857 garLoopResultBuilder]: For program point L773-3(lines 773 781) no Hoare annotation was computed. [2021-10-24 10:18:20,522 INFO L857 garLoopResultBuilder]: For program point L773-4(lines 773 781) no Hoare annotation was computed. [2021-10-24 10:18:20,522 INFO L857 garLoopResultBuilder]: For program point L773-5(lines 773 781) no Hoare annotation was computed. [2021-10-24 10:18:20,522 INFO L853 garLoopResultBuilder]: At program point L711(lines 710 729) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not .cse4))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse2)))) [2021-10-24 10:18:20,523 INFO L857 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2021-10-24 10:18:20,523 INFO L853 garLoopResultBuilder]: At program point L711-2(lines 710 729) the Hoare annotation is: false [2021-10-24 10:18:20,523 INFO L853 garLoopResultBuilder]: At program point L711-3(lines 710 729) the Hoare annotation is: false [2021-10-24 10:18:20,523 INFO L860 garLoopResultBuilder]: At program point L515(lines 496 518) the Hoare annotation is: true [2021-10-24 10:18:20,523 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 985) no Hoare annotation was computed. [2021-10-24 10:18:20,524 INFO L853 garLoopResultBuilder]: At program point L979-1(lines 979 985) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse1)))) [2021-10-24 10:18:20,524 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,524 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,524 INFO L857 garLoopResultBuilder]: For program point L914-3(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,525 INFO L857 garLoopResultBuilder]: For program point L914-5(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,525 INFO L857 garLoopResultBuilder]: For program point L914-6(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,525 INFO L857 garLoopResultBuilder]: For program point L914-8(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,525 INFO L857 garLoopResultBuilder]: For program point L914-9(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,525 INFO L857 garLoopResultBuilder]: For program point L914-11(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,526 INFO L857 garLoopResultBuilder]: For program point L914-12(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,526 INFO L857 garLoopResultBuilder]: For program point L914-14(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,526 INFO L857 garLoopResultBuilder]: For program point L914-15(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,526 INFO L857 garLoopResultBuilder]: For program point L914-17(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,526 INFO L857 garLoopResultBuilder]: For program point L914-18(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,526 INFO L857 garLoopResultBuilder]: For program point L914-20(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,527 INFO L857 garLoopResultBuilder]: For program point L914-21(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,527 INFO L857 garLoopResultBuilder]: For program point L914-23(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,527 INFO L857 garLoopResultBuilder]: For program point L914-24(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,527 INFO L857 garLoopResultBuilder]: For program point L914-26(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,527 INFO L857 garLoopResultBuilder]: For program point L914-27(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,528 INFO L857 garLoopResultBuilder]: For program point L914-29(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,528 INFO L857 garLoopResultBuilder]: For program point L914-30(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,528 INFO L857 garLoopResultBuilder]: For program point L914-32(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,528 INFO L857 garLoopResultBuilder]: For program point L914-33(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,528 INFO L857 garLoopResultBuilder]: For program point L914-35(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:18:20,529 INFO L853 garLoopResultBuilder]: At program point L718(lines 718 724) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not .cse4)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 .cse4 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv1 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3)))) [2021-10-24 10:18:20,529 INFO L853 garLoopResultBuilder]: At program point L718-1(lines 718 724) the Hoare annotation is: false [2021-10-24 10:18:20,529 INFO L853 garLoopResultBuilder]: At program point L718-2(lines 718 724) the Hoare annotation is: false [2021-10-24 10:18:20,529 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:18:20,529 INFO L853 garLoopResultBuilder]: At program point L920(lines 905 923) the Hoare annotation is: false [2021-10-24 10:18:20,530 INFO L853 garLoopResultBuilder]: At program point L920-1(lines 905 923) the Hoare annotation is: (and (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv1 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:20,530 INFO L853 garLoopResultBuilder]: At program point L920-2(lines 905 923) the Hoare annotation is: false [2021-10-24 10:18:20,530 INFO L853 garLoopResultBuilder]: At program point L920-3(lines 905 923) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv1 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-24 10:18:20,530 INFO L853 garLoopResultBuilder]: At program point L920-4(lines 905 923) the Hoare annotation is: false [2021-10-24 10:18:20,531 INFO L853 garLoopResultBuilder]: At program point L920-5(lines 905 923) the Hoare annotation is: false [2021-10-24 10:18:20,531 INFO L853 garLoopResultBuilder]: At program point L920-6(lines 905 923) the Hoare annotation is: false [2021-10-24 10:18:20,531 INFO L853 garLoopResultBuilder]: At program point L920-7(lines 905 923) the Hoare annotation is: false [2021-10-24 10:18:20,531 INFO L853 garLoopResultBuilder]: At program point L920-8(lines 905 923) the Hoare annotation is: false [2021-10-24 10:18:20,531 INFO L853 garLoopResultBuilder]: At program point L920-9(lines 905 923) the Hoare annotation is: false [2021-10-24 10:18:20,532 INFO L853 garLoopResultBuilder]: At program point L920-10(lines 905 923) the Hoare annotation is: false [2021-10-24 10:18:20,532 INFO L853 garLoopResultBuilder]: At program point L920-11(lines 905 923) the Hoare annotation is: false [2021-10-24 10:18:20,532 INFO L853 garLoopResultBuilder]: At program point L856(lines 849 859) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-24 10:18:20,532 INFO L853 garLoopResultBuilder]: At program point L856-1(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,532 INFO L853 garLoopResultBuilder]: At program point L856-2(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,533 INFO L853 garLoopResultBuilder]: At program point L856-3(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,533 INFO L853 garLoopResultBuilder]: At program point L856-4(lines 849 859) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:20,533 INFO L853 garLoopResultBuilder]: At program point L856-5(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,533 INFO L853 garLoopResultBuilder]: At program point L856-6(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,533 INFO L853 garLoopResultBuilder]: At program point L856-7(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,534 INFO L853 garLoopResultBuilder]: At program point L856-8(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,534 INFO L853 garLoopResultBuilder]: At program point L856-9(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,534 INFO L853 garLoopResultBuilder]: At program point L856-10(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,534 INFO L853 garLoopResultBuilder]: At program point L856-11(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,534 INFO L853 garLoopResultBuilder]: At program point L856-12(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,535 INFO L853 garLoopResultBuilder]: At program point L856-13(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,535 INFO L853 garLoopResultBuilder]: At program point L856-14(lines 849 859) the Hoare annotation is: false [2021-10-24 10:18:20,535 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 995) no Hoare annotation was computed. [2021-10-24 10:18:20,535 INFO L853 garLoopResultBuilder]: At program point L989-1(lines 989 995) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse1)))) [2021-10-24 10:18:20,535 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:18:20,536 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-10-24 10:18:20,536 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 599) no Hoare annotation was computed. [2021-10-24 10:18:20,536 INFO L857 garLoopResultBuilder]: For program point L595-3(lines 595 599) no Hoare annotation was computed. [2021-10-24 10:18:20,536 INFO L857 garLoopResultBuilder]: For program point L595-6(lines 595 599) no Hoare annotation was computed. [2021-10-24 10:18:20,536 INFO L857 garLoopResultBuilder]: For program point L795(lines 795 812) no Hoare annotation was computed. [2021-10-24 10:18:20,537 INFO L857 garLoopResultBuilder]: For program point L795-1(lines 795 812) no Hoare annotation was computed. [2021-10-24 10:18:20,537 INFO L857 garLoopResultBuilder]: For program point L795-2(lines 795 812) no Hoare annotation was computed. [2021-10-24 10:18:20,537 INFO L853 garLoopResultBuilder]: At program point L664(lines 659 667) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse2)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3)))) [2021-10-24 10:18:20,537 INFO L853 garLoopResultBuilder]: At program point L664-1(lines 659 667) the Hoare annotation is: false [2021-10-24 10:18:20,537 INFO L853 garLoopResultBuilder]: At program point L664-2(lines 659 667) the Hoare annotation is: false [2021-10-24 10:18:20,538 INFO L853 garLoopResultBuilder]: At program point L865(lines 860 868) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:20,538 INFO L853 garLoopResultBuilder]: At program point L865-1(lines 860 868) the Hoare annotation is: false [2021-10-24 10:18:20,538 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 807) no Hoare annotation was computed. [2021-10-24 10:18:20,538 INFO L853 garLoopResultBuilder]: At program point L865-2(lines 860 868) the Hoare annotation is: false [2021-10-24 10:18:20,538 INFO L857 garLoopResultBuilder]: For program point L799-1(lines 799 807) no Hoare annotation was computed. [2021-10-24 10:18:20,539 INFO L857 garLoopResultBuilder]: For program point L799-2(lines 799 807) no Hoare annotation was computed. [2021-10-24 10:18:20,539 INFO L857 garLoopResultBuilder]: For program point L999(lines 999 1012) no Hoare annotation was computed. [2021-10-24 10:18:20,539 INFO L857 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,539 INFO L857 garLoopResultBuilder]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,539 INFO L857 garLoopResultBuilder]: For program point L933-3(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,539 INFO L857 garLoopResultBuilder]: For program point L933-5(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,540 INFO L857 garLoopResultBuilder]: For program point L933-6(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,540 INFO L857 garLoopResultBuilder]: For program point L933-8(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,540 INFO L857 garLoopResultBuilder]: For program point L933-9(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,540 INFO L857 garLoopResultBuilder]: For program point L933-11(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,540 INFO L857 garLoopResultBuilder]: For program point L933-12(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,541 INFO L857 garLoopResultBuilder]: For program point L933-14(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,541 INFO L857 garLoopResultBuilder]: For program point L933-15(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,541 INFO L857 garLoopResultBuilder]: For program point L933-17(lines 933 937) no Hoare annotation was computed. [2021-10-24 10:18:20,541 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-10-24 10:18:20,541 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,542 INFO L857 garLoopResultBuilder]: For program point L672-1(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,542 INFO L857 garLoopResultBuilder]: For program point L672-2(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,542 INFO L857 garLoopResultBuilder]: For program point L672-3(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,542 INFO L857 garLoopResultBuilder]: For program point L672-4(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,542 INFO L857 garLoopResultBuilder]: For program point L672-5(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,542 INFO L857 garLoopResultBuilder]: For program point L672-6(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,543 INFO L857 garLoopResultBuilder]: For program point L672-7(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,543 INFO L857 garLoopResultBuilder]: For program point L672-8(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,543 INFO L857 garLoopResultBuilder]: For program point L672-9(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,543 INFO L857 garLoopResultBuilder]: For program point L672-10(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,543 INFO L857 garLoopResultBuilder]: For program point L672-11(lines 672 678) no Hoare annotation was computed. [2021-10-24 10:18:20,544 INFO L857 garLoopResultBuilder]: For program point L607(lines 607 611) no Hoare annotation was computed. [2021-10-24 10:18:20,544 INFO L853 garLoopResultBuilder]: At program point L542(lines 1 1024) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:20,544 INFO L857 garLoopResultBuilder]: For program point L1005(lines 1005 1011) no Hoare annotation was computed. [2021-10-24 10:18:20,544 INFO L853 garLoopResultBuilder]: At program point L1005-1(lines 711 717) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse1)))) [2021-10-24 10:18:20,545 INFO L853 garLoopResultBuilder]: At program point L939(lines 924 942) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) [2021-10-24 10:18:20,545 INFO L853 garLoopResultBuilder]: At program point L939-1(lines 924 942) the Hoare annotation is: false [2021-10-24 10:18:20,545 INFO L853 garLoopResultBuilder]: At program point L939-2(lines 924 942) the Hoare annotation is: false [2021-10-24 10:18:20,545 INFO L853 garLoopResultBuilder]: At program point L939-3(lines 924 942) the Hoare annotation is: false [2021-10-24 10:18:20,545 INFO L853 garLoopResultBuilder]: At program point L939-4(lines 924 942) the Hoare annotation is: false [2021-10-24 10:18:20,546 INFO L853 garLoopResultBuilder]: At program point L939-5(lines 924 942) the Hoare annotation is: false [2021-10-24 10:18:20,546 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,546 INFO L857 garLoopResultBuilder]: For program point L743-1(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,546 INFO L853 garLoopResultBuilder]: At program point L677(lines 668 681) the Hoare annotation is: false [2021-10-24 10:18:20,546 INFO L857 garLoopResultBuilder]: For program point L743-2(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,546 INFO L853 garLoopResultBuilder]: At program point L677-1(lines 668 681) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:20,547 INFO L857 garLoopResultBuilder]: For program point L743-3(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,547 INFO L853 garLoopResultBuilder]: At program point L677-2(lines 668 681) the Hoare annotation is: false [2021-10-24 10:18:20,547 INFO L857 garLoopResultBuilder]: For program point L743-4(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,547 INFO L853 garLoopResultBuilder]: At program point L677-3(lines 668 681) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-24 10:18:20,547 INFO L857 garLoopResultBuilder]: For program point L743-5(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,548 INFO L853 garLoopResultBuilder]: At program point L677-4(lines 668 681) the Hoare annotation is: false [2021-10-24 10:18:20,548 INFO L857 garLoopResultBuilder]: For program point L743-6(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,548 INFO L853 garLoopResultBuilder]: At program point L677-5(lines 668 681) the Hoare annotation is: false [2021-10-24 10:18:20,548 INFO L857 garLoopResultBuilder]: For program point L743-7(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,548 INFO L853 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:20,549 INFO L853 garLoopResultBuilder]: At program point L677-6(lines 668 681) the Hoare annotation is: false [2021-10-24 10:18:20,549 INFO L857 garLoopResultBuilder]: For program point L743-8(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,549 INFO L853 garLoopResultBuilder]: At program point L677-7(lines 668 681) the Hoare annotation is: false [2021-10-24 10:18:20,549 INFO L857 garLoopResultBuilder]: For program point L743-9(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,549 INFO L853 garLoopResultBuilder]: At program point L677-8(lines 668 681) the Hoare annotation is: false [2021-10-24 10:18:20,550 INFO L857 garLoopResultBuilder]: For program point L743-10(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,550 INFO L853 garLoopResultBuilder]: At program point L677-9(lines 668 681) the Hoare annotation is: false [2021-10-24 10:18:20,550 INFO L857 garLoopResultBuilder]: For program point L743-11(lines 743 760) no Hoare annotation was computed. [2021-10-24 10:18:20,550 INFO L853 garLoopResultBuilder]: At program point L677-10(lines 668 681) the Hoare annotation is: false [2021-10-24 10:18:20,550 INFO L853 garLoopResultBuilder]: At program point L677-11(lines 668 681) the Hoare annotation is: false [2021-10-24 10:18:20,551 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:18:20,551 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,551 INFO L857 garLoopResultBuilder]: For program point L747-1(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,551 INFO L857 garLoopResultBuilder]: For program point L747-2(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,551 INFO L857 garLoopResultBuilder]: For program point L747-3(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,551 INFO L857 garLoopResultBuilder]: For program point L747-4(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,552 INFO L857 garLoopResultBuilder]: For program point L747-5(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,552 INFO L857 garLoopResultBuilder]: For program point L747-6(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,552 INFO L857 garLoopResultBuilder]: For program point L747-7(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,552 INFO L857 garLoopResultBuilder]: For program point L747-8(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,552 INFO L857 garLoopResultBuilder]: For program point L747-9(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,552 INFO L857 garLoopResultBuilder]: For program point L747-10(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,553 INFO L857 garLoopResultBuilder]: For program point L747-11(lines 747 755) no Hoare annotation was computed. [2021-10-24 10:18:20,553 INFO L853 garLoopResultBuilder]: At program point L550(lines 545 553) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:20,553 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2021-10-24 10:18:20,553 INFO L853 garLoopResultBuilder]: At program point L947-1(lines 947 953) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:18:20,553 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 623) no Hoare annotation was computed. [2021-10-24 10:18:20,554 INFO L853 garLoopResultBuilder]: At program point L1017(lines 968 1018) the Hoare annotation is: false [2021-10-24 10:18:20,554 INFO L853 garLoopResultBuilder]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-24 10:18:20,554 INFO L853 garLoopResultBuilder]: At program point L687-1(lines 682 690) the Hoare annotation is: false [2021-10-24 10:18:20,554 INFO L853 garLoopResultBuilder]: At program point L687-2(lines 682 690) the Hoare annotation is: false [2021-10-24 10:18:20,554 INFO L853 garLoopResultBuilder]: At program point L687-3(lines 682 690) the Hoare annotation is: false [2021-10-24 10:18:20,555 INFO L853 garLoopResultBuilder]: At program point L687-4(lines 682 690) the Hoare annotation is: false [2021-10-24 10:18:20,555 INFO L853 garLoopResultBuilder]: At program point L687-5(lines 682 690) the Hoare annotation is: false [2021-10-24 10:18:20,555 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:18:20,555 INFO L853 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2021-10-24 10:18:20,555 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-10-24 10:18:20,561 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:18:20,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:18:20 BoogieIcfgContainer [2021-10-24 10:18:20,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:18:20,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:18:20,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:18:20,595 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:18:20,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:17:41" (3/4) ... [2021-10-24 10:18:20,599 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:18:20,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:18:20,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:18:20,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:18:20,639 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:18:20,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:18:20,645 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:18:20,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:18:20,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-24 10:18:20,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-24 10:18:20,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-24 10:18:20,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-24 10:18:20,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-24 10:18:20,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:18:20,686 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:18:20,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) [2021-10-24 10:18:20,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) [2021-10-24 10:18:20,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning [2021-10-24 10:18:20,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:18:20,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:18:20,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) [2021-10-24 10:18:20,696 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:18:20,697 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && tmp___0 == 1bv32 [2021-10-24 10:18:20,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:18:20,859 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:18:20,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:18:20,862 INFO L168 Benchmark]: Toolchain (without parser) took 44321.44 ms. Allocated memory was 56.6 MB in the beginning and 130.0 MB in the end (delta: 73.4 MB). Free memory was 32.8 MB in the beginning and 85.8 MB in the end (delta: -53.0 MB). Peak memory consumption was 80.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:20,862 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 56.6 MB. Free memory is still 37.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:18:20,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.78 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.7 MB in the beginning and 36.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:20,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.24 ms. Allocated memory is still 69.2 MB. Free memory was 36.1 MB in the beginning and 48.3 MB in the end (delta: -12.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:20,864 INFO L168 Benchmark]: Boogie Preprocessor took 157.39 ms. Allocated memory is still 69.2 MB. Free memory was 48.3 MB in the beginning and 44.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:20,865 INFO L168 Benchmark]: RCFGBuilder took 3819.00 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 44.1 MB in the beginning and 49.2 MB in the end (delta: -5.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:20,865 INFO L168 Benchmark]: TraceAbstraction took 39062.64 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 48.7 MB in the beginning and 42.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 67.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:20,866 INFO L168 Benchmark]: Witness Printer took 264.92 ms. Allocated memory is still 130.0 MB. Free memory was 42.2 MB in the beginning and 85.8 MB in the end (delta: -43.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:18:20,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 56.6 MB. Free memory is still 37.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 839.78 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.7 MB in the beginning and 36.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 169.24 ms. Allocated memory is still 69.2 MB. Free memory was 36.1 MB in the beginning and 48.3 MB in the end (delta: -12.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 157.39 ms. Allocated memory is still 69.2 MB. Free memory was 48.3 MB in the beginning and 44.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3819.00 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 44.1 MB in the beginning and 49.2 MB in the end (delta: -5.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 39062.64 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 48.7 MB in the beginning and 42.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 67.2 MB. Max. memory is 16.1 GB. * Witness Printer took 264.92 ms. Allocated memory is still 130.0 MB. Free memory was 42.2 MB in the beginning and 85.8 MB in the end (delta: -43.6 MB). Peak memory consumption was 16.0 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: 696]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 696]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 696]: 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, 227 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 38961.2ms, OverallIterations: 12, TraceHistogramMax: 3, EmptinessCheckTime: 46.3ms, AutomataDifference: 12060.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 9540.8ms, InitialAbstractionConstructionTime: 19.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2081 SDtfs, 5064 SDslu, 5432 SDs, 0 SdLazy, 951 SolverSat, 214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8252.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1515 GetRequests, 1386 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1954 ImplicationChecksByTransitivity, 2359.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=544occurred in iteration=11, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 616.8ms AutomataMinimizationTime, 12 MinimizatonAttempts, 3383 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 199 NumberOfFragments, 754 HoareAnnotationTreeSize, 92 FomulaSimplifications, 240447 FormulaSimplificationTreeSizeReduction, 2305.4ms HoareSimplificationTime, 92 FomulaSimplificationsInter, 311649 FormulaSimplificationTreeSizeReductionInter, 7213.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 467.1ms SsaConstructionTime, 2160.4ms SatisfiabilityAnalysisTime, 6741.8ms InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1428 ConstructedInterpolants, 0 QuantifiedInterpolants, 2982 SizeOfPredicates, 27 NumberOfNonLiveVariables, 3677 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 32 InterpolantComputations, 22 PerfectInterpolantSequences, 336/404 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: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: 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: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && tmp___0 == 1bv32 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-24 10:18:20,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eef43b4-9841-4ea6-b759-b2c1e8dbd195/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...