./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/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 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab ............................................................................................................................................ 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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/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 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:00:50,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:00:50,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:00:50,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:00:50,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:00:50,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:00:50,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:00:50,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:00:50,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:00:50,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:00:50,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:00:50,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:00:50,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:00:50,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:00:50,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:00:50,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:00:50,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:00:50,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:00:50,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:00:50,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:00:50,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:00:50,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:00:50,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:00:50,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:00:50,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:00:50,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:00:50,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:00:50,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:00:50,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:00:50,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:00:50,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:00:50,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:00:50,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:00:50,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:00:50,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:00:50,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:00:50,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:00:50,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:00:50,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:00:50,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:00:50,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:00:50,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:00:50,288 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:00:50,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:00:50,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:00:50,289 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:00:50,290 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:00:50,290 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:00:50,290 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:00:50,290 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:00:50,290 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:00:50,291 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:00:50,291 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:00:50,291 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:00:50,291 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:00:50,292 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:00:50,292 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:00:50,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:00:50,293 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:00:50,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:00:50,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:00:50,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:00:50,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:00:50,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:00:50,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:00:50,294 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:00:50,294 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:00:50,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:00:50,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:00:50,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:00:50,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:00:50,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:00:50,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:00:50,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:00:50,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:00:50,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:00:50,297 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:00:50,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:00:50,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:00:50,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:00:50,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:00:50,298 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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab [2021-10-24 10:00:50,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:00:50,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:00:50,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:00:50,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:00:50,607 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:00:50,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2021-10-24 10:00:50,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/data/32cd1cbe1/ad6ac475aa834edbb521dc356fca1497/FLAG1ebfe24da [2021-10-24 10:00:51,244 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:00:51,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2021-10-24 10:00:51,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/data/32cd1cbe1/ad6ac475aa834edbb521dc356fca1497/FLAG1ebfe24da [2021-10-24 10:00:51,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/data/32cd1cbe1/ad6ac475aa834edbb521dc356fca1497 [2021-10-24 10:00:51,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:00:51,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:00:51,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:00:51,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:00:51,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:00:51,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:00:51" (1/1) ... [2021-10-24 10:00:51,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416451bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:51, skipping insertion in model container [2021-10-24 10:00:51,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:00:51" (1/1) ... [2021-10-24 10:00:51,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:00:51,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:00:51,887 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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[16171,16184] [2021-10-24 10:00:51,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:00:51,914 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 10:00:51,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@131c2912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:51, skipping insertion in model container [2021-10-24 10:00:51,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:00:51,916 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:00:51,918 INFO L168 Benchmark]: Toolchain (without parser) took 387.88 ms. Allocated memory is still 111.1 MB. Free memory was 67.7 MB in the beginning and 81.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:00:51,919 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 111.1 MB. Free memory is still 85.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:00:51,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.06 ms. Allocated memory is still 111.1 MB. Free memory was 67.4 MB in the beginning and 82.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:00:51,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 111.1 MB. Free memory is still 85.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 385.06 ms. Allocated memory is still 111.1 MB. Free memory was 67.4 MB in the beginning and 82.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 418]: 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 10:00:54,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:00:54,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:00:54,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:00:54,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:00:54,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:00:54,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:00:54,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:00:54,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:00:54,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:00:54,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:00:54,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:00:54,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:00:54,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:00:54,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:00:54,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:00:54,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:00:54,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:00:54,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:00:54,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:00:54,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:00:54,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:00:54,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:00:54,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:00:54,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:00:54,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:00:54,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:00:54,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:00:54,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:00:54,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:00:54,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:00:54,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:00:54,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:00:54,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:00:54,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:00:54,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:00:54,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:00:54,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:00:54,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:00:54,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:00:54,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:00:54,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:00:54,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:00:54,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:00:54,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:00:54,242 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:00:54,242 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:00:54,242 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:00:54,242 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:00:54,242 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:00:54,243 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:00:54,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:00:54,244 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:00:54,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:00:54,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:00:54,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:00:54,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:00:54,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:00:54,245 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:00:54,245 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:00:54,246 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:00:54,246 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:00:54,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:00:54,246 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:00:54,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:00:54,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:00:54,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:00:54,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:00:54,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:00:54,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:00:54,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:00:54,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:00:54,248 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:00:54,249 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:00:54,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:00:54,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:00:54,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:00:54,250 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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab [2021-10-24 10:00:54,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:00:54,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:00:54,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:00:54,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:00:54,666 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:00:54,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2021-10-24 10:00:54,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/data/dd7e1e2c5/d7ae5c9928104a3290000d91cfa50c5f/FLAG3f34f4545 [2021-10-24 10:00:55,429 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:00:55,432 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2021-10-24 10:00:55,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/data/dd7e1e2c5/d7ae5c9928104a3290000d91cfa50c5f/FLAG3f34f4545 [2021-10-24 10:00:55,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/data/dd7e1e2c5/d7ae5c9928104a3290000d91cfa50c5f [2021-10-24 10:00:55,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:00:55,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:00:55,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:00:55,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:00:55,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:00:55,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:00:55" (1/1) ... [2021-10-24 10:00:55,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b1981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:55, skipping insertion in model container [2021-10-24 10:00:55,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:00:55" (1/1) ... [2021-10-24 10:00:55,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:00:55,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:00:56,067 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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[16171,16184] [2021-10-24 10:00:56,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:00:56,117 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:00:56,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:00:56,193 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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[16171,16184] [2021-10-24 10:00:56,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:00:56,206 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:00:56,279 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_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[16171,16184] [2021-10-24 10:00:56,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:00:56,327 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:00:56,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56 WrapperNode [2021-10-24 10:00:56,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:00:56,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:00:56,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:00:56,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:00:56,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56" (1/1) ... [2021-10-24 10:00:56,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56" (1/1) ... [2021-10-24 10:00:56,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:00:56,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:00:56,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:00:56,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:00:56,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56" (1/1) ... [2021-10-24 10:00:56,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56" (1/1) ... [2021-10-24 10:00:56,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56" (1/1) ... [2021-10-24 10:00:56,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56" (1/1) ... [2021-10-24 10:00:56,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56" (1/1) ... [2021-10-24 10:00:56,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56" (1/1) ... [2021-10-24 10:00:56,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56" (1/1) ... [2021-10-24 10:00:56,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:00:56,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:00:56,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:00:56,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:00:56,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56" (1/1) ... [2021-10-24 10:00:56,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:00:56,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:00:56,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:00:56,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:00:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:00:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:00:56,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:00:56,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:00:59,103 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:00:59,103 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-24 10:00:59,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:00:59 BoogieIcfgContainer [2021-10-24 10:00:59,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:00:59,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:00:59,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:00:59,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:00:59,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:00:55" (1/3) ... [2021-10-24 10:00:59,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460e65cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:00:59, skipping insertion in model container [2021-10-24 10:00:59,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:00:56" (2/3) ... [2021-10-24 10:00:59,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460e65cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:00:59, skipping insertion in model container [2021-10-24 10:00:59,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:00:59" (3/3) ... [2021-10-24 10:00:59,113 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2021-10-24 10:00:59,118 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:00:59,119 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:00:59,166 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:00:59,173 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 10:00:59,173 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:00:59,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 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 10:00:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:00:59,194 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:00:59,195 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:00:59,196 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 10:00:59,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:00:59,201 INFO L82 PathProgramCache]: Analyzing trace with hash 143052540, now seen corresponding path program 1 times [2021-10-24 10:00:59,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:00:59,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324581472] [2021-10-24 10:00:59,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:00:59,230 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:00:59,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:00:59,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:00:59,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:00:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:00:59,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:00:59,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:00:59,581 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 10:00:59,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:00:59,658 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 10:00:59,659 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:00:59,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324581472] [2021-10-24 10:00:59,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1324581472] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:00:59,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:00:59,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:00:59,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7021056] [2021-10-24 10:00:59,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:00:59,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:00:59,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:00:59,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:00:59,689 INFO L87 Difference]: Start difference. First operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:00:59,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:00:59,727 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2021-10-24 10:00:59,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:00:59,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:00:59,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:00:59,740 INFO L225 Difference]: With dead ends: 162 [2021-10-24 10:00:59,741 INFO L226 Difference]: Without dead ends: 80 [2021-10-24 10:00:59,744 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:00:59,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-24 10:00:59,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-24 10:00:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 79 states have internal predecessors, (114), 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 10:00:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2021-10-24 10:00:59,794 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2021-10-24 10:00:59,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:00:59,794 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2021-10-24 10:00:59,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:00:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2021-10-24 10:00:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:00:59,797 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:00:59,797 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:00:59,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:00,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:00,018 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 10:01:00,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:00,019 INFO L82 PathProgramCache]: Analyzing trace with hash -767978213, now seen corresponding path program 1 times [2021-10-24 10:01:00,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:00,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017904186] [2021-10-24 10:01:00,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:00,020 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:00,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:00,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:00,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:01:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:00,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:01:00,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:00,309 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 10:01:00,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:00,384 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 10:01:00,384 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:00,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017904186] [2021-10-24 10:01:00,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017904186] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:00,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:00,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:01:00,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652478623] [2021-10-24 10:01:00,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:01:00,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:00,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:01:00,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:00,389 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:00,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:00,402 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2021-10-24 10:01:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:01:00,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:01:00,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:00,406 INFO L225 Difference]: With dead ends: 80 [2021-10-24 10:01:00,406 INFO L226 Difference]: Without dead ends: 36 [2021-10-24 10:01:00,408 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:00,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-24 10:01:00,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-24 10:01:00,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.457142857142857) internal successors, (51), 35 states have internal predecessors, (51), 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 10:01:00,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2021-10-24 10:01:00,419 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2021-10-24 10:01:00,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:00,420 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2021-10-24 10:01:00,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2021-10-24 10:01:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:01:00,424 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:00,428 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:00,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:00,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:00,640 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 10:01:00,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:00,641 INFO L82 PathProgramCache]: Analyzing trace with hash 459341460, now seen corresponding path program 1 times [2021-10-24 10:01:00,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:00,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347373229] [2021-10-24 10:01:00,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:00,643 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:00,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:00,644 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:00,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:01:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:00,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:01:00,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:00,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:00,991 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 10:01:00,992 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:00,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347373229] [2021-10-24 10:01:00,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347373229] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:00,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:00,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:01:00,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222856945] [2021-10-24 10:01:00,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:01:00,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:00,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:01:00,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:00,995 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:01,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:01,025 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2021-10-24 10:01:01,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:01:01,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:01:01,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:01,027 INFO L225 Difference]: With dead ends: 66 [2021-10-24 10:01:01,027 INFO L226 Difference]: Without dead ends: 36 [2021-10-24 10:01:01,028 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:01,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-24 10:01:01,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-24 10:01:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 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 10:01:01,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2021-10-24 10:01:01,033 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2021-10-24 10:01:01,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:01,034 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2021-10-24 10:01:01,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2021-10-24 10:01:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:01:01,035 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:01,035 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 10:01:01,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:01,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:01,248 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 10:01:01,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:01,249 INFO L82 PathProgramCache]: Analyzing trace with hash -179810352, now seen corresponding path program 1 times [2021-10-24 10:01:01,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:01,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317841300] [2021-10-24 10:01:01,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:01,250 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:01,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:01,251 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:01,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:01:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:01,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:01:01,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:01,558 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 10:01:01,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:01,609 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 10:01:01,610 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:01,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317841300] [2021-10-24 10:01:01,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317841300] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:01,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:01,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:01:01,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730938955] [2021-10-24 10:01:01,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:01:01,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:01,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:01:01,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:01,613 INFO L87 Difference]: Start difference. First operand 36 states and 50 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 10:01:01,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:01,665 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2021-10-24 10:01:01,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:01:01,666 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 10:01:01,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:01,667 INFO L225 Difference]: With dead ends: 89 [2021-10-24 10:01:01,669 INFO L226 Difference]: Without dead ends: 59 [2021-10-24 10:01:01,669 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:01,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-24 10:01:01,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2021-10-24 10:01:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 56 states have internal predecessors, (80), 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 10:01:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-10-24 10:01:01,681 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2021-10-24 10:01:01,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:01,681 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-10-24 10:01:01,682 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 10:01:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-24 10:01:01,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-24 10:01:01,683 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:01,683 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:01,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:01,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:01,902 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 10:01:01,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:01,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1667839457, now seen corresponding path program 1 times [2021-10-24 10:01:01,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:01,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756805598] [2021-10-24 10:01:01,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:01,904 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:01,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:01,905 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:01,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:01:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:02,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:01:02,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:02,229 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 10:01:02,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:02,295 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 10:01:02,296 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:02,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756805598] [2021-10-24 10:01:02,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756805598] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:02,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:02,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:01:02,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102936323] [2021-10-24 10:01:02,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:01:02,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:02,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:01:02,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:01:02,302 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:02,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:02,365 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2021-10-24 10:01:02,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:01:02,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-24 10:01:02,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:02,369 INFO L225 Difference]: With dead ends: 149 [2021-10-24 10:01:02,369 INFO L226 Difference]: Without dead ends: 98 [2021-10-24 10:01:02,370 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:01:02,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-10-24 10:01:02,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2021-10-24 10:01:02,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 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 10:01:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-24 10:01:02,397 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2021-10-24 10:01:02,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:02,397 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-24 10:01:02,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:02,398 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-24 10:01:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-24 10:01:02,403 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:02,404 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:02,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-24 10:01:02,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:02,619 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 10:01:02,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:02,620 INFO L82 PathProgramCache]: Analyzing trace with hash 540443364, now seen corresponding path program 1 times [2021-10-24 10:01:02,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:02,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506830899] [2021-10-24 10:01:02,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:02,621 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:02,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:02,622 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:02,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:01:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:02,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:01:02,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:02,987 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 10:01:02,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:03,122 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 10:01:03,123 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:03,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506830899] [2021-10-24 10:01:03,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1506830899] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:03,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:03,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:01:03,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696449076] [2021-10-24 10:01:03,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:01:03,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:03,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:01:03,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:01:03,125 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 10:01:03,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:03,433 INFO L93 Difference]: Finished difference Result 630 states and 907 transitions. [2021-10-24 10:01:03,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 10:01:03,434 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 31 [2021-10-24 10:01:03,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:03,438 INFO L225 Difference]: With dead ends: 630 [2021-10-24 10:01:03,438 INFO L226 Difference]: Without dead ends: 576 [2021-10-24 10:01:03,442 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 121.4ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-24 10:01:03,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2021-10-24 10:01:03,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 153. [2021-10-24 10:01:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.381578947368421) internal successors, (210), 152 states have internal predecessors, (210), 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 10:01:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 210 transitions. [2021-10-24 10:01:03,487 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 210 transitions. Word has length 31 [2021-10-24 10:01:03,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:03,487 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 210 transitions. [2021-10-24 10:01:03,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 10:01:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2021-10-24 10:01:03,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 10:01:03,494 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:03,494 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:03,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:03,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:03,709 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 10:01:03,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:03,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1711533540, now seen corresponding path program 1 times [2021-10-24 10:01:03,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:03,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929713617] [2021-10-24 10:01:03,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:03,711 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:03,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:03,712 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:03,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:01:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:03,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:01:03,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:04,060 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 10:01:04,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:04,136 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 10:01:04,136 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:04,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929713617] [2021-10-24 10:01:04,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929713617] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:04,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:04,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:01:04,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657502723] [2021-10-24 10:01:04,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:01:04,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:04,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:01:04,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:04,138 INFO L87 Difference]: Start difference. First operand 153 states and 210 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 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 10:01:04,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:04,195 INFO L93 Difference]: Finished difference Result 374 states and 523 transitions. [2021-10-24 10:01:04,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:01:04,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 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 32 [2021-10-24 10:01:04,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:04,199 INFO L225 Difference]: With dead ends: 374 [2021-10-24 10:01:04,199 INFO L226 Difference]: Without dead ends: 273 [2021-10-24 10:01:04,201 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:01:04,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-10-24 10:01:04,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 152. [2021-10-24 10:01:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3774834437086092) internal successors, (208), 151 states have internal predecessors, (208), 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 10:01:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2021-10-24 10:01:04,222 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2021-10-24 10:01:04,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:04,223 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2021-10-24 10:01:04,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 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 10:01:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2021-10-24 10:01:04,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 10:01:04,224 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:04,224 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:04,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:04,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:04,437 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 10:01:04,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:04,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1197872225, now seen corresponding path program 1 times [2021-10-24 10:01:04,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:04,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932869057] [2021-10-24 10:01:04,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:04,438 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:04,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:04,439 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:04,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:01:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:04,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:01:04,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:04,790 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 10:01:04,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:04,885 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 10:01:04,885 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:04,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932869057] [2021-10-24 10:01:04,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932869057] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:04,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:04,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:01:04,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834955985] [2021-10-24 10:01:04,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:01:04,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:04,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:01:04,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:01:04,887 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:06,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:06,057 INFO L93 Difference]: Finished difference Result 388 states and 540 transitions. [2021-10-24 10:01:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 10:01:06,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-24 10:01:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:06,059 INFO L225 Difference]: With dead ends: 388 [2021-10-24 10:01:06,059 INFO L226 Difference]: Without dead ends: 123 [2021-10-24 10:01:06,060 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 67.9ms TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:01:06,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-24 10:01:06,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 87. [2021-10-24 10:01:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.302325581395349) internal successors, (112), 86 states have internal predecessors, (112), 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 10:01:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2021-10-24 10:01:06,072 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 32 [2021-10-24 10:01:06,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:06,072 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2021-10-24 10:01:06,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2021-10-24 10:01:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 10:01:06,073 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:06,073 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:06,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:06,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:06,316 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 10:01:06,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:06,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1969698978, now seen corresponding path program 1 times [2021-10-24 10:01:06,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:06,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910245327] [2021-10-24 10:01:06,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:06,317 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:06,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:06,319 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:06,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:01:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:06,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:01:06,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:06,699 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 10:01:06,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:06,801 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 10:01:06,801 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:06,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910245327] [2021-10-24 10:01:06,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910245327] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:06,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:06,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:01:06,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878020657] [2021-10-24 10:01:06,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:01:06,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:06,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:01:06,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:01:06,804 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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 10:01:06,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:06,853 INFO L93 Difference]: Finished difference Result 160 states and 206 transitions. [2021-10-24 10:01:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:01:06,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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 32 [2021-10-24 10:01:06,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:06,860 INFO L225 Difference]: With dead ends: 160 [2021-10-24 10:01:06,860 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:01:06,861 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 63.7ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:01:06,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:01:06,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:01:06,861 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 10:01:06,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:01:06,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-10-24 10:01:06,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:06,861 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:01:06,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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 10:01:06,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:01:06,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:01:06,864 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:01:06,865 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:01:06,865 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:01:06,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:07,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:07,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:01:07,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:07,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:08,889 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 796) no Hoare annotation was computed. [2021-10-24 10:01:08,889 INFO L860 garLoopResultBuilder]: At program point L217(lines 198 220) the Hoare annotation is: true [2021-10-24 10:01:08,889 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-24 10:01:08,890 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:01:08,890 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:01:08,890 INFO L857 garLoopResultBuilder]: For program point L796(line 796) no Hoare annotation was computed. [2021-10-24 10:01:08,890 INFO L857 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed. [2021-10-24 10:01:08,890 INFO L857 garLoopResultBuilder]: For program point L796-2(line 796) no Hoare annotation was computed. [2021-10-24 10:01:08,891 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2021-10-24 10:01:08,891 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 237 243) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:01:08,891 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2021-10-24 10:01:08,891 INFO L857 garLoopResultBuilder]: For program point L269-1(lines 269 286) no Hoare annotation was computed. [2021-10-24 10:01:08,892 INFO L857 garLoopResultBuilder]: For program point L269-2(lines 269 286) no Hoare annotation was computed. [2021-10-24 10:01:08,892 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 141) no Hoare annotation was computed. [2021-10-24 10:01:08,892 INFO L857 garLoopResultBuilder]: For program point L137-1(lines 237 243) no Hoare annotation was computed. [2021-10-24 10:01:08,892 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2021-10-24 10:01:08,892 INFO L853 garLoopResultBuilder]: At program point L237(lines 236 255) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:01:08,892 INFO L857 garLoopResultBuilder]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2021-10-24 10:01:08,892 INFO L853 garLoopResultBuilder]: At program point L237-2(lines 236 255) the Hoare annotation is: false [2021-10-24 10:01:08,892 INFO L853 garLoopResultBuilder]: At program point L237-3(lines 236 255) the Hoare annotation is: false [2021-10-24 10:01:08,892 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 787) no Hoare annotation was computed. [2021-10-24 10:01:08,892 INFO L857 garLoopResultBuilder]: For program point L767-2(lines 767 787) no Hoare annotation was computed. [2021-10-24 10:01:08,892 INFO L857 garLoopResultBuilder]: For program point L767-4(lines 767 787) no Hoare annotation was computed. [2021-10-24 10:01:08,908 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 375) no Hoare annotation was computed. [2021-10-24 10:01:08,908 INFO L857 garLoopResultBuilder]: For program point L371-2(lines 371 375) no Hoare annotation was computed. [2021-10-24 10:01:08,908 INFO L857 garLoopResultBuilder]: For program point L371-3(lines 371 375) no Hoare annotation was computed. [2021-10-24 10:01:08,908 INFO L857 garLoopResultBuilder]: For program point L371-5(lines 371 375) no Hoare annotation was computed. [2021-10-24 10:01:08,909 INFO L857 garLoopResultBuilder]: For program point L371-6(lines 371 375) no Hoare annotation was computed. [2021-10-24 10:01:08,909 INFO L857 garLoopResultBuilder]: For program point L371-8(lines 371 375) no Hoare annotation was computed. [2021-10-24 10:01:08,909 INFO L853 garLoopResultBuilder]: At program point L322(lines 317 325) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-24 10:01:08,909 INFO L853 garLoopResultBuilder]: At program point L322-1(lines 317 325) the Hoare annotation is: false [2021-10-24 10:01:08,909 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:01:08,909 INFO L853 garLoopResultBuilder]: At program point L322-2(lines 317 325) the Hoare annotation is: false [2021-10-24 10:01:08,909 INFO L853 garLoopResultBuilder]: At program point L917(lines 1 928) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:01:08,909 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 890) no Hoare annotation was computed. [2021-10-24 10:01:08,909 INFO L857 garLoopResultBuilder]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2021-10-24 10:01:08,909 INFO L857 garLoopResultBuilder]: For program point L884-2(lines 884 890) no Hoare annotation was computed. [2021-10-24 10:01:08,909 INFO L857 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed. [2021-10-24 10:01:08,910 INFO L857 garLoopResultBuilder]: For program point L273-1(lines 273 281) no Hoare annotation was computed. [2021-10-24 10:01:08,910 INFO L857 garLoopResultBuilder]: For program point L273-2(lines 273 281) no Hoare annotation was computed. [2021-10-24 10:01:08,910 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-10-24 10:01:08,910 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:01:08,910 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 796) no Hoare annotation was computed. [2021-10-24 10:01:08,910 INFO L857 garLoopResultBuilder]: For program point L819(lines 819 823) no Hoare annotation was computed. [2021-10-24 10:01:08,910 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 215) no Hoare annotation was computed. [2021-10-24 10:01:08,910 INFO L860 garLoopResultBuilder]: At program point L208-1(lines 208 215) the Hoare annotation is: true [2021-10-24 10:01:08,910 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:01:08,910 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-10-24 10:01:08,911 INFO L853 garLoopResultBuilder]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2021-10-24 10:01:08,911 INFO L853 garLoopResultBuilder]: At program point L244-1(lines 244 250) the Hoare annotation is: false [2021-10-24 10:01:08,911 INFO L853 garLoopResultBuilder]: At program point L244-2(lines 244 250) the Hoare annotation is: false [2021-10-24 10:01:08,911 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 786) no Hoare annotation was computed. [2021-10-24 10:01:08,911 INFO L853 garLoopResultBuilder]: At program point L773-1(lines 1 928) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2021-10-24 10:01:08,911 INFO L857 garLoopResultBuilder]: For program point L773-2(lines 773 786) no Hoare annotation was computed. [2021-10-24 10:01:08,911 INFO L853 garLoopResultBuilder]: At program point L773-3(lines 1 928) the Hoare annotation is: false [2021-10-24 10:01:08,911 INFO L857 garLoopResultBuilder]: For program point L773-4(lines 773 786) no Hoare annotation was computed. [2021-10-24 10:01:08,911 INFO L853 garLoopResultBuilder]: At program point L773-5(lines 1 928) the Hoare annotation is: false [2021-10-24 10:01:08,912 INFO L853 garLoopResultBuilder]: At program point L889(lines 880 893) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ~waterLevel~0 (_ bv2 32))) .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32)) .cse2))) [2021-10-24 10:01:08,912 INFO L853 garLoopResultBuilder]: At program point L377(lines 362 380) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse4) (and (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) .cse0 .cse1 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32)) .cse4))) [2021-10-24 10:01:08,912 INFO L853 garLoopResultBuilder]: At program point L889-1(lines 880 893) the Hoare annotation is: false [2021-10-24 10:01:08,912 INFO L853 garLoopResultBuilder]: At program point L377-1(lines 362 380) the Hoare annotation is: false [2021-10-24 10:01:08,912 INFO L853 garLoopResultBuilder]: At program point L889-2(lines 880 893) the Hoare annotation is: false [2021-10-24 10:01:08,912 INFO L853 garLoopResultBuilder]: At program point L377-2(lines 362 380) the Hoare annotation is: false [2021-10-24 10:01:08,912 INFO L853 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-10-24 10:01:08,912 INFO L857 garLoopResultBuilder]: For program point L807(lines 807 811) no Hoare annotation was computed. [2021-10-24 10:01:08,913 INFO L857 garLoopResultBuilder]: For program point L807-3(lines 807 811) no Hoare annotation was computed. [2021-10-24 10:01:08,913 INFO L857 garLoopResultBuilder]: For program point L807-6(lines 807 811) no Hoare annotation was computed. [2021-10-24 10:01:08,913 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:01:08,913 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 796) no Hoare annotation was computed. [2021-10-24 10:01:08,913 INFO L857 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-10-24 10:01:08,913 INFO L853 garLoopResultBuilder]: At program point L925(lines 920 928) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:01:08,913 INFO L853 garLoopResultBuilder]: At program point L182(lines 178 184) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:01:08,914 INFO L853 garLoopResultBuilder]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2021-10-24 10:01:08,914 INFO L853 garLoopResultBuilder]: At program point L876-1(lines 871 879) the Hoare annotation is: false [2021-10-24 10:01:08,914 INFO L853 garLoopResultBuilder]: At program point L876-2(lines 871 879) the Hoare annotation is: false [2021-10-24 10:01:08,914 INFO L857 garLoopResultBuilder]: For program point L777(lines 777 783) no Hoare annotation was computed. [2021-10-24 10:01:08,914 INFO L857 garLoopResultBuilder]: For program point L777-2(lines 777 783) no Hoare annotation was computed. [2021-10-24 10:01:08,914 INFO L857 garLoopResultBuilder]: For program point L777-4(lines 777 783) no Hoare annotation was computed. [2021-10-24 10:01:08,914 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-24 10:01:08,914 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 133 147) the Hoare annotation is: false [2021-10-24 10:01:08,914 INFO L853 garLoopResultBuilder]: At program point L844(lines 839 847) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (not (= ~waterLevel~0 (_ bv2 32))) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1))) [2021-10-24 10:01:08,915 INFO L853 garLoopResultBuilder]: At program point L844-1(lines 839 847) the Hoare annotation is: false [2021-10-24 10:01:08,915 INFO L853 garLoopResultBuilder]: At program point L844-2(lines 839 847) the Hoare annotation is: false [2021-10-24 10:01:08,915 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-24 10:01:08,919 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:01:08,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:01:08 BoogieIcfgContainer [2021-10-24 10:01:08,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:01:08,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:01:08,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:01:08,969 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:01:08,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:00:59" (3/4) ... [2021-10-24 10:01:08,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:01:08,993 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:01:08,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:01:08,997 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:01:08,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:01:08,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:01:08,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:01:09,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:01:09,031 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 10:01:09,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && tmp == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) [2021-10-24 10:01:09,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:01:09,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && 1bv32 == \result [2021-10-24 10:01:09,084 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:01:09,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:01:09,085 INFO L168 Benchmark]: Toolchain (without parser) took 13381.61 ms. Allocated memory was 67.1 MB in the beginning and 107.0 MB in the end (delta: 39.8 MB). Free memory was 46.1 MB in the beginning and 35.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:09,086 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:01:09,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.52 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 36.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:09,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.72 ms. Allocated memory is still 67.1 MB. Free memory was 36.6 MB in the beginning and 33.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:09,087 INFO L168 Benchmark]: Boogie Preprocessor took 86.76 ms. Allocated memory is still 67.1 MB. Free memory was 33.5 MB in the beginning and 31.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:09,087 INFO L168 Benchmark]: RCFGBuilder took 2594.84 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 31.1 MB in the beginning and 45.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:09,088 INFO L168 Benchmark]: TraceAbstraction took 9861.09 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 45.3 MB in the beginning and 42.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:09,088 INFO L168 Benchmark]: Witness Printer took 115.64 ms. Allocated memory is still 107.0 MB. Free memory was 42.9 MB in the beginning and 35.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:09,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 623.52 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 36.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.72 ms. Allocated memory is still 67.1 MB. Free memory was 36.6 MB in the beginning and 33.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.76 ms. Allocated memory is still 67.1 MB. Free memory was 33.5 MB in the beginning and 31.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2594.84 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 31.1 MB in the beginning and 45.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9861.09 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 45.3 MB in the beginning and 42.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. * Witness Printer took 115.64 ms. Allocated memory is still 107.0 MB. Free memory was 42.9 MB in the beginning and 35.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 796]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 796]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 796]: 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, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9754.3ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 28.5ms, AutomataDifference: 1867.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1810.6ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 680 SDtfs, 1029 SDslu, 1410 SDs, 0 SdLazy, 216 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1304.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 492 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 322.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=6, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 168.1ms AutomataMinimizationTime, 9 MinimizatonAttempts, 620 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 34 LocationsWithAnnotation, 34 PreInvPairs, 115 NumberOfFragments, 375 HoareAnnotationTreeSize, 34 FomulaSimplifications, 20375 FormulaSimplificationTreeSizeReduction, 779.1ms HoareSimplificationTime, 34 FomulaSimplificationsInter, 2235 FormulaSimplificationTreeSizeReductionInter, 1020.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 189.3ms SsaConstructionTime, 996.5ms SatisfiabilityAnalysisTime, 1736.9ms InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 470 ConstructedInterpolants, 0 QuantifiedInterpolants, 701 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1860 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && 1bv32 == \result - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && tmp == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((\result == 1bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:01:09,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b1ab667-0fd9-44b4-9606-2e5c0b641b83/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...