./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/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 45ba8c3ee5105630bc9146965d68439e6204903aca4c5a31cd4f017e456c8589 ............................................................................................................................................ 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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/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 45ba8c3ee5105630bc9146965d68439e6204903aca4c5a31cd4f017e456c8589 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:53:14,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:53:14,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:53:14,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:53:14,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:53:14,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:53:14,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:53:14,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:53:14,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:53:14,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:53:14,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:53:14,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:53:14,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:53:14,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:53:14,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:53:14,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:53:14,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:53:14,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:53:14,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:53:14,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:53:14,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:53:14,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:53:14,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:53:14,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:53:14,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:53:14,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:53:14,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:53:14,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:53:14,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:53:14,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:53:14,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:53:14,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:53:14,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:53:14,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:53:14,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:53:14,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:53:14,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:53:14,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:53:14,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:53:14,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:53:14,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:53:14,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:53:14,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:53:14,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:53:14,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:53:14,639 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:53:14,639 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:53:14,639 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:53:14,639 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:53:14,640 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:53:14,640 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:53:14,640 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:53:14,640 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:53:14,640 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:53:14,641 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:53:14,641 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:53:14,641 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:53:14,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:53:14,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:53:14,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:53:14,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:53:14,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:53:14,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:53:14,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:53:14,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:53:14,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:53:14,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:53:14,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:53:14,644 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:53:14,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:53:14,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:53:14,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:53:14,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:53:14,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:53:14,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:53:14,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:53:14,645 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:53:14,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:53:14,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:53:14,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:53:14,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:53:14,646 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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45ba8c3ee5105630bc9146965d68439e6204903aca4c5a31cd4f017e456c8589 [2021-10-24 10:53:14,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:53:14,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:53:14,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:53:14,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:53:14,906 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:53:14,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2021-10-24 10:53:14,977 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/data/668431308/14aa759c510f4499b3030152775bb9a2/FLAG82825d2d0 [2021-10-24 10:53:15,460 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:53:15,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2021-10-24 10:53:15,479 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/data/668431308/14aa759c510f4499b3030152775bb9a2/FLAG82825d2d0 [2021-10-24 10:53:15,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/data/668431308/14aa759c510f4499b3030152775bb9a2 [2021-10-24 10:53:15,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:53:15,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:53:15,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:53:15,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:53:15,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:53:15,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:53:15" (1/1) ... [2021-10-24 10:53:15,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b970c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:15, skipping insertion in model container [2021-10-24 10:53:15,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:53:15" (1/1) ... [2021-10-24 10:53:15,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:53:15,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:53:16,070 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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1605,1618] [2021-10-24 10:53:16,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:53:16,209 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 10:53:16,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c3c21f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:16, skipping insertion in model container [2021-10-24 10:53:16,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:53:16,210 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:53:16,212 INFO L168 Benchmark]: Toolchain (without parser) took 375.05 ms. Allocated memory is still 113.2 MB. Free memory was 78.1 MB in the beginning and 85.7 MB in the end (delta: -7.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:53:16,213 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 90.2 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:53:16,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.25 ms. Allocated memory is still 113.2 MB. Free memory was 77.9 MB in the beginning and 85.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:53:16,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 90.2 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 369.25 ms. Allocated memory is still 113.2 MB. Free memory was 77.9 MB in the beginning and 85.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 193]: 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 10:53:18,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:53:18,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:53:18,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:53:18,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:53:18,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:53:18,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:53:18,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:53:18,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:53:18,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:53:18,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:53:18,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:53:18,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:53:18,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:53:18,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:53:18,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:53:18,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:53:18,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:53:18,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:53:18,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:53:18,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:53:18,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:53:18,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:53:18,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:53:18,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:53:18,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:53:18,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:53:18,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:53:18,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:53:18,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:53:18,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:53:18,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:53:18,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:53:18,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:53:18,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:53:18,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:53:18,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:53:18,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:53:18,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:53:18,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:53:18,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:53:18,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:53:18,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:53:18,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:53:18,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:53:18,482 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:53:18,482 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:53:18,482 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:53:18,482 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:53:18,483 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:53:18,483 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:53:18,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:53:18,485 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:53:18,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:53:18,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:53:18,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:53:18,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:53:18,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:53:18,486 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:53:18,487 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:53:18,487 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:53:18,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:53:18,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:53:18,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:53:18,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:53:18,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:53:18,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:53:18,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:53:18,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:53:18,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:53:18,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:53:18,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:53:18,490 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:53:18,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:53:18,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:53:18,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:53:18,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:53:18,491 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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45ba8c3ee5105630bc9146965d68439e6204903aca4c5a31cd4f017e456c8589 [2021-10-24 10:53:18,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:53:18,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:53:18,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:53:18,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:53:18,862 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:53:18,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2021-10-24 10:53:18,928 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/data/65746ee7f/6089ecc764b6482fa03d03dfbf7ee5d4/FLAG96dcbdf29 [2021-10-24 10:53:19,417 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:53:19,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2021-10-24 10:53:19,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/data/65746ee7f/6089ecc764b6482fa03d03dfbf7ee5d4/FLAG96dcbdf29 [2021-10-24 10:53:19,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/data/65746ee7f/6089ecc764b6482fa03d03dfbf7ee5d4 [2021-10-24 10:53:19,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:53:19,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:53:19,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:53:19,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:53:19,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:53:19,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:53:19" (1/1) ... [2021-10-24 10:53:19,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce23765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:19, skipping insertion in model container [2021-10-24 10:53:19,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:53:19" (1/1) ... [2021-10-24 10:53:19,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:53:19,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:53:19,981 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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1605,1618] [2021-10-24 10:53:20,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:53:20,140 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:53:20,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:53:20,186 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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1605,1618] [2021-10-24 10:53:20,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:53:20,260 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:53:20,273 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_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1605,1618] [2021-10-24 10:53:20,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:53:20,343 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:53:20,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20 WrapperNode [2021-10-24 10:53:20,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:53:20,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:53:20,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:53:20,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:53:20,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20" (1/1) ... [2021-10-24 10:53:20,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20" (1/1) ... [2021-10-24 10:53:20,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:53:20,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:53:20,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:53:20,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:53:20,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20" (1/1) ... [2021-10-24 10:53:20,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20" (1/1) ... [2021-10-24 10:53:20,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20" (1/1) ... [2021-10-24 10:53:20,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20" (1/1) ... [2021-10-24 10:53:20,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20" (1/1) ... [2021-10-24 10:53:20,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20" (1/1) ... [2021-10-24 10:53:20,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20" (1/1) ... [2021-10-24 10:53:20,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:53:20,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:53:20,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:53:20,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:53:20,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20" (1/1) ... [2021-10-24 10:53:20,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:53:20,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:53:20,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:53:20,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:53:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:53:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:53:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:53:20,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:53:22,613 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:53:22,614 INFO L299 CfgBuilder]: Removed 114 assume(true) statements. [2021-10-24 10:53:22,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:53:22 BoogieIcfgContainer [2021-10-24 10:53:22,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:53:22,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:53:22,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:53:22,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:53:22,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:53:19" (1/3) ... [2021-10-24 10:53:22,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174e3785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:53:22, skipping insertion in model container [2021-10-24 10:53:22,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:53:20" (2/3) ... [2021-10-24 10:53:22,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174e3785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:53:22, skipping insertion in model container [2021-10-24 10:53:22,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:53:22" (3/3) ... [2021-10-24 10:53:22,625 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2021-10-24 10:53:22,635 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:53:22,635 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:53:22,688 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:53:22,692 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 10:53:22,693 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:53:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 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 10:53:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:53:22,713 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:22,713 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 10:53:22,714 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 10:53:22,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:22,719 INFO L82 PathProgramCache]: Analyzing trace with hash -950357280, now seen corresponding path program 1 times [2021-10-24 10:53:22,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:22,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674048374] [2021-10-24 10:53:22,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:22,732 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:22,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:22,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:22,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:53:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:22,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:53:22,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:23,042 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 10:53:23,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:23,133 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 10:53:23,134 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:23,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674048374] [2021-10-24 10:53:23,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674048374] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:23,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:23,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:53:23,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166295840] [2021-10-24 10:53:23,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:53:23,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:23,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:53:23,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:53:23,156 INFO L87 Difference]: Start difference. First operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:23,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:23,180 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2021-10-24 10:53:23,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:53:23,182 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:53:23,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:23,191 INFO L225 Difference]: With dead ends: 171 [2021-10-24 10:53:23,191 INFO L226 Difference]: Without dead ends: 85 [2021-10-24 10:53:23,194 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 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 10:53:23,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-24 10:53:23,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-24 10:53:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 84 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:23,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-10-24 10:53:23,232 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2021-10-24 10:53:23,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:23,232 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-10-24 10:53:23,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-10-24 10:53:23,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 10:53:23,234 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:23,234 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:23,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-24 10:53:23,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:23,447 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 10:53:23,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:23,452 INFO L82 PathProgramCache]: Analyzing trace with hash -552380079, now seen corresponding path program 1 times [2021-10-24 10:53:23,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:23,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791119352] [2021-10-24 10:53:23,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:23,453 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:23,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:23,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:23,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:53:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:23,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:53:23,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:23,755 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 10:53:23,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:23,827 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 10:53:23,828 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:23,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791119352] [2021-10-24 10:53:23,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791119352] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:23,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:23,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:53:23,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530585148] [2021-10-24 10:53:23,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:53:23,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:23,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:53:23,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:23,835 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:23,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:23,861 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2021-10-24 10:53:23,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:53:23,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-24 10:53:23,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:23,864 INFO L225 Difference]: With dead ends: 85 [2021-10-24 10:53:23,864 INFO L226 Difference]: Without dead ends: 40 [2021-10-24 10:53:23,866 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:23,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-24 10:53:23,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-24 10:53:23,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.435897435897436) internal successors, (56), 39 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-10-24 10:53:23,879 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2021-10-24 10:53:23,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:23,880 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-24 10:53:23,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-10-24 10:53:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:53:23,882 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:23,885 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:23,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:24,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:24,088 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 10:53:24,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:24,105 INFO L82 PathProgramCache]: Analyzing trace with hash 483095041, now seen corresponding path program 1 times [2021-10-24 10:53:24,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:24,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777050272] [2021-10-24 10:53:24,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:24,109 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:24,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:24,115 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:24,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:53:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:24,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:53:24,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:24,416 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 10:53:24,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:24,514 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 10:53:24,515 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:24,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777050272] [2021-10-24 10:53:24,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777050272] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:24,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:24,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:53:24,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89954631] [2021-10-24 10:53:24,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:53:24,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:24,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:53:24,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:24,518 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:24,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:24,537 INFO L93 Difference]: Finished difference Result 132 states and 192 transitions. [2021-10-24 10:53:24,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:53:24,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:53:24,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:24,539 INFO L225 Difference]: With dead ends: 132 [2021-10-24 10:53:24,539 INFO L226 Difference]: Without dead ends: 99 [2021-10-24 10:53:24,540 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:24,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-24 10:53:24,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 62. [2021-10-24 10:53:24,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.459016393442623) internal successors, (89), 61 states have internal predecessors, (89), 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 10:53:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2021-10-24 10:53:24,550 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 26 [2021-10-24 10:53:24,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:24,551 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2021-10-24 10:53:24,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:24,551 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2021-10-24 10:53:24,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 10:53:24,552 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:24,553 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] [2021-10-24 10:53:24,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:24,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:24,764 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 10:53:24,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:24,765 INFO L82 PathProgramCache]: Analyzing trace with hash -2057617797, now seen corresponding path program 1 times [2021-10-24 10:53:24,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:24,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506014986] [2021-10-24 10:53:24,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:24,766 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:24,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:24,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:24,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:53:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:25,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:53:25,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:25,104 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 10:53:25,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:25,186 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 10:53:25,189 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:25,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506014986] [2021-10-24 10:53:25,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1506014986] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:25,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:25,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:53:25,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965147178] [2021-10-24 10:53:25,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:53:25,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:25,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:53:25,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:53:25,193 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 10:53:25,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:25,261 INFO L93 Difference]: Finished difference Result 141 states and 205 transitions. [2021-10-24 10:53:25,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:53:25,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 27 [2021-10-24 10:53:25,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:25,268 INFO L225 Difference]: With dead ends: 141 [2021-10-24 10:53:25,268 INFO L226 Difference]: Without dead ends: 86 [2021-10-24 10:53:25,269 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:53:25,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-10-24 10:53:25,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2021-10-24 10:53:25,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 states have internal predecessors, (118), 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 10:53:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2021-10-24 10:53:25,294 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 27 [2021-10-24 10:53:25,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:25,294 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2021-10-24 10:53:25,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 10:53:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2021-10-24 10:53:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-24 10:53:25,297 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:25,297 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:25,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:25,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:25,513 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 10:53:25,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:25,514 INFO L82 PathProgramCache]: Analyzing trace with hash 214615626, now seen corresponding path program 1 times [2021-10-24 10:53:25,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:25,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644276671] [2021-10-24 10:53:25,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:25,515 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:25,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:25,516 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:25,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:53:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:25,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:53:25,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:25,795 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 10:53:25,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:25,868 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 10:53:25,869 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:25,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644276671] [2021-10-24 10:53:25,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1644276671] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:25,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:25,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:53:25,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771883779] [2021-10-24 10:53:25,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:53:25,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:25,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:53:25,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:53:25,872 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:26,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:26,019 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2021-10-24 10:53:26,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:53:26,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-24 10:53:26,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:26,021 INFO L225 Difference]: With dead ends: 273 [2021-10-24 10:53:26,021 INFO L226 Difference]: Without dead ends: 196 [2021-10-24 10:53:26,022 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 43.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:53:26,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-10-24 10:53:26,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 82. [2021-10-24 10:53:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 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 10:53:26,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2021-10-24 10:53:26,044 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 29 [2021-10-24 10:53:26,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:26,045 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2021-10-24 10:53:26,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:26,045 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2021-10-24 10:53:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:53:26,046 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:26,046 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:26,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:26,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:26,260 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 10:53:26,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:26,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1855288842, now seen corresponding path program 1 times [2021-10-24 10:53:26,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:26,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272322618] [2021-10-24 10:53:26,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:26,269 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:26,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:26,273 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:26,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:53:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:26,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:53:26,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:26,632 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 10:53:26,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:26,693 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 10:53:26,694 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:26,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272322618] [2021-10-24 10:53:26,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272322618] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:26,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:26,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:53:26,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239145360] [2021-10-24 10:53:26,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:53:26,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:26,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:53:26,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:53:26,700 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 10:53:26,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:26,751 INFO L93 Difference]: Finished difference Result 240 states and 330 transitions. [2021-10-24 10:53:26,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:53:26,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-10-24 10:53:26,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:26,753 INFO L225 Difference]: With dead ends: 240 [2021-10-24 10:53:26,753 INFO L226 Difference]: Without dead ends: 165 [2021-10-24 10:53:26,754 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:53:26,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-10-24 10:53:26,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 85. [2021-10-24 10:53:26,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 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 10:53:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2021-10-24 10:53:26,780 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 33 [2021-10-24 10:53:26,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:26,780 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2021-10-24 10:53:26,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 10:53:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2021-10-24 10:53:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:53:26,782 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:26,782 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:26,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:26,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:26,990 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 10:53:26,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:26,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1738613876, now seen corresponding path program 1 times [2021-10-24 10:53:26,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:26,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508831686] [2021-10-24 10:53:26,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:26,997 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:26,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:27,003 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:27,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:53:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:27,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:53:27,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:27,351 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 10:53:27,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:27,426 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 10:53:27,427 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:27,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508831686] [2021-10-24 10:53:27,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508831686] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:27,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:27,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:53:27,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136286913] [2021-10-24 10:53:27,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:53:27,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:27,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:53:27,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:53:27,429 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 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 10:53:27,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:27,472 INFO L93 Difference]: Finished difference Result 254 states and 345 transitions. [2021-10-24 10:53:27,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:53:27,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 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 33 [2021-10-24 10:53:27,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:27,474 INFO L225 Difference]: With dead ends: 254 [2021-10-24 10:53:27,475 INFO L226 Difference]: Without dead ends: 176 [2021-10-24 10:53:27,478 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:53:27,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-10-24 10:53:27,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 87. [2021-10-24 10:53:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 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 10:53:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2021-10-24 10:53:27,497 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 33 [2021-10-24 10:53:27,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:27,498 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-10-24 10:53:27,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 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 10:53:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2021-10-24 10:53:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:53:27,501 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:27,501 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:27,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:27,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:27,714 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 10:53:27,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:27,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1969547406, now seen corresponding path program 1 times [2021-10-24 10:53:27,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:27,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132048335] [2021-10-24 10:53:27,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:27,716 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:27,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:27,718 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:27,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:53:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:27,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:53:27,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:28,074 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 10:53:28,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:28,158 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 10:53:28,158 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:28,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132048335] [2021-10-24 10:53:28,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132048335] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:28,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:28,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:53:28,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030980557] [2021-10-24 10:53:28,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:53:28,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:28,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:53:28,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:28,161 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 10:53:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:28,239 INFO L93 Difference]: Finished difference Result 289 states and 393 transitions. [2021-10-24 10:53:28,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:53:28,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 33 [2021-10-24 10:53:28,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:28,241 INFO L225 Difference]: With dead ends: 289 [2021-10-24 10:53:28,241 INFO L226 Difference]: Without dead ends: 209 [2021-10-24 10:53:28,244 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:53:28,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-10-24 10:53:28,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 158. [2021-10-24 10:53:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.356687898089172) internal successors, (213), 157 states have internal predecessors, (213), 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 10:53:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 213 transitions. [2021-10-24 10:53:28,276 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 213 transitions. Word has length 33 [2021-10-24 10:53:28,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:28,276 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 213 transitions. [2021-10-24 10:53:28,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 10:53:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 213 transitions. [2021-10-24 10:53:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:53:28,278 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:28,278 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:28,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:28,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:28,492 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 10:53:28,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:28,494 INFO L82 PathProgramCache]: Analyzing trace with hash -430787762, now seen corresponding path program 1 times [2021-10-24 10:53:28,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:28,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510095388] [2021-10-24 10:53:28,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:28,498 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:28,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:28,501 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:28,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:53:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:28,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:53:28,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:28,933 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 10:53:28,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:29,055 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 10:53:29,055 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:29,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510095388] [2021-10-24 10:53:29,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510095388] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:29,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:53:29,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:53:29,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133913845] [2021-10-24 10:53:29,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:53:29,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:29,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:53:29,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:53:29,057 INFO L87 Difference]: Start difference. First operand 158 states and 213 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:30,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:30,237 INFO L93 Difference]: Finished difference Result 782 states and 1069 transitions. [2021-10-24 10:53:30,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 10:53:30,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:53:30,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:30,242 INFO L225 Difference]: With dead ends: 782 [2021-10-24 10:53:30,242 INFO L226 Difference]: Without dead ends: 631 [2021-10-24 10:53:30,243 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 63.5ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:53:30,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2021-10-24 10:53:30,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 298. [2021-10-24 10:53:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 297 states have (on average 1.3367003367003367) internal successors, (397), 297 states have internal predecessors, (397), 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 10:53:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 397 transitions. [2021-10-24 10:53:30,290 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 397 transitions. Word has length 34 [2021-10-24 10:53:30,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:30,290 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 397 transitions. [2021-10-24 10:53:30,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 397 transitions. [2021-10-24 10:53:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-24 10:53:30,291 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:30,292 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:30,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:30,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:53:30,505 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:53:30,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:30,507 INFO L82 PathProgramCache]: Analyzing trace with hash -915518735, now seen corresponding path program 1 times [2021-10-24 10:53:30,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:30,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843249999] [2021-10-24 10:53:30,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:30,509 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:30,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:30,512 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:30,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:53:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:30,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:53:30,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:53:30,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:53:31,147 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:31,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843249999] [2021-10-24 10:53:31,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843249999] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:53:31,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1323879378] [2021-10-24 10:53:31,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:31,148 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:53:31,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:53:31,153 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:53:31,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-24 10:53:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:31,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:53:31,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:53:31,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:53:31,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1323879378] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:53:31,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130718303] [2021-10-24 10:53:31,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:31,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:53:31,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:53:31,814 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:53:31,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-24 10:53:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:32,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:53:32,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:53:32,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:53:32,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130718303] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:53:32,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:53:32,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-10-24 10:53:32,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670262644] [2021-10-24 10:53:32,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:53:32,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:32,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:53:32,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:53:32,423 INFO L87 Difference]: Start difference. First operand 298 states and 397 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:34,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:34,441 INFO L93 Difference]: Finished difference Result 662 states and 889 transitions. [2021-10-24 10:53:34,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-24 10:53:34,441 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-24 10:53:34,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:34,444 INFO L225 Difference]: With dead ends: 662 [2021-10-24 10:53:34,444 INFO L226 Difference]: Without dead ends: 371 [2021-10-24 10:53:34,445 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 75.5ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-10-24 10:53:34,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-10-24 10:53:34,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 304. [2021-10-24 10:53:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.2937293729372936) internal successors, (392), 303 states have internal predecessors, (392), 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 10:53:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 392 transitions. [2021-10-24 10:53:34,497 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 392 transitions. Word has length 51 [2021-10-24 10:53:34,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:34,498 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 392 transitions. [2021-10-24 10:53:34,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:34,498 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 392 transitions. [2021-10-24 10:53:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-24 10:53:34,500 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:53:34,500 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:53:34,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:34,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2021-10-24 10:53:34,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:35,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:53:35,115 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:53:35,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:53:35,117 INFO L82 PathProgramCache]: Analyzing trace with hash -833652910, now seen corresponding path program 1 times [2021-10-24 10:53:35,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:53:35,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963731355] [2021-10-24 10:53:35,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:35,121 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:53:35,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:53:35,126 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:53:35,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 10:53:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:35,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:53:35,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-24 10:53:35,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-24 10:53:36,089 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:53:36,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963731355] [2021-10-24 10:53:36,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1963731355] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:53:36,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1962612935] [2021-10-24 10:53:36,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:53:36,090 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:53:36,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:53:36,094 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:53:36,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-24 10:53:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:53:36,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:53:36,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:53:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-24 10:53:36,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:53:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-24 10:53:36,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1962612935] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:53:36,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:53:36,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 11 [2021-10-24 10:53:36,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427134744] [2021-10-24 10:53:36,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:53:36,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:53:36,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:53:36,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:53:36,951 INFO L87 Difference]: Start difference. First operand 304 states and 392 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:38,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:53:38,008 INFO L93 Difference]: Finished difference Result 542 states and 700 transitions. [2021-10-24 10:53:38,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:53:38,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-10-24 10:53:38,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:53:38,011 INFO L225 Difference]: With dead ends: 542 [2021-10-24 10:53:38,011 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:53:38,012 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 58.1ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:53:38,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:53:38,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:53:38,012 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 10:53:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:53:38,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2021-10-24 10:53:38,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:53:38,013 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:53:38,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:53:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:53:38,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:53:38,016 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:53:38,017 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:53:38,017 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:53:38,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:38,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-24 10:53:38,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:53:38,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:53:38,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:38,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:38,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:38,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:38,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:38,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:38,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:38,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:38,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:38,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:38,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:39,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:53:43,563 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:53:43,563 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 158) no Hoare annotation was computed. [2021-10-24 10:53:43,563 INFO L860 garLoopResultBuilder]: At program point L151-1(lines 151 158) the Hoare annotation is: true [2021-10-24 10:53:43,564 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2021-10-24 10:53:43,564 INFO L853 garLoopResultBuilder]: At program point L597-1(lines 597 603) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2)))) [2021-10-24 10:53:43,564 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:53:43,564 INFO L857 garLoopResultBuilder]: For program point L780(lines 780 797) no Hoare annotation was computed. [2021-10-24 10:53:43,564 INFO L857 garLoopResultBuilder]: For program point L780-1(lines 780 797) no Hoare annotation was computed. [2021-10-24 10:53:43,565 INFO L853 garLoopResultBuilder]: At program point L714(lines 709 717) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse3 (not .cse7)) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse6 .cse1 .cse3 .cse4) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse7 .cse5) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse5)))) [2021-10-24 10:53:43,565 INFO L857 garLoopResultBuilder]: For program point L780-2(lines 780 797) no Hoare annotation was computed. [2021-10-24 10:53:43,565 INFO L853 garLoopResultBuilder]: At program point L714-1(lines 709 717) the Hoare annotation is: false [2021-10-24 10:53:43,565 INFO L853 garLoopResultBuilder]: At program point L714-2(lines 709 717) the Hoare annotation is: false [2021-10-24 10:53:43,565 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 902) no Hoare annotation was computed. [2021-10-24 10:53:43,565 INFO L853 garLoopResultBuilder]: At program point L896-1(lines 896 902) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:53:43,566 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-24 10:53:43,566 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-24 10:53:43,566 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-24 10:53:43,566 INFO L853 garLoopResultBuilder]: At program point L748(lines 744 766) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2)))) [2021-10-24 10:53:43,566 INFO L853 garLoopResultBuilder]: At program point L748-1(lines 744 766) the Hoare annotation is: false [2021-10-24 10:53:43,566 INFO L853 garLoopResultBuilder]: At program point L748-2(lines 744 766) the Hoare annotation is: false [2021-10-24 10:53:43,566 INFO L853 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: false [2021-10-24 10:53:43,567 INFO L853 garLoopResultBuilder]: At program point L914(lines 909 916) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:53:43,567 INFO L857 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2021-10-24 10:53:43,567 INFO L853 garLoopResultBuilder]: At program point L122(lines 118 124) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:53:43,567 INFO L857 garLoopResultBuilder]: For program point L882(lines 882 886) no Hoare annotation was computed. [2021-10-24 10:53:43,567 INFO L857 garLoopResultBuilder]: For program point L882-2(lines 882 886) no Hoare annotation was computed. [2021-10-24 10:53:43,567 INFO L857 garLoopResultBuilder]: For program point L882-3(lines 882 886) no Hoare annotation was computed. [2021-10-24 10:53:43,568 INFO L857 garLoopResultBuilder]: For program point L882-5(lines 882 886) no Hoare annotation was computed. [2021-10-24 10:53:43,568 INFO L857 garLoopResultBuilder]: For program point L882-6(lines 882 886) no Hoare annotation was computed. [2021-10-24 10:53:43,568 INFO L857 garLoopResultBuilder]: For program point L882-8(lines 882 886) no Hoare annotation was computed. [2021-10-24 10:53:43,568 INFO L853 garLoopResultBuilder]: At program point L833(lines 828 836) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (not .cse4)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3)))) [2021-10-24 10:53:43,568 INFO L853 garLoopResultBuilder]: At program point L833-1(lines 828 836) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (not .cse3)) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse4)))) [2021-10-24 10:53:43,569 INFO L853 garLoopResultBuilder]: At program point L833-2(lines 828 836) the Hoare annotation is: false [2021-10-24 10:53:43,569 INFO L853 garLoopResultBuilder]: At program point L833-3(lines 828 836) the Hoare annotation is: false [2021-10-24 10:53:43,569 INFO L853 garLoopResultBuilder]: At program point L833-4(lines 828 836) the Hoare annotation is: false [2021-10-24 10:53:43,569 INFO L853 garLoopResultBuilder]: At program point L833-5(lines 828 836) the Hoare annotation is: false [2021-10-24 10:53:43,569 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 792) no Hoare annotation was computed. [2021-10-24 10:53:43,569 INFO L857 garLoopResultBuilder]: For program point L784-1(lines 784 792) no Hoare annotation was computed. [2021-10-24 10:53:43,570 INFO L857 garLoopResultBuilder]: For program point L784-2(lines 784 792) no Hoare annotation was computed. [2021-10-24 10:53:43,570 INFO L853 garLoopResultBuilder]: At program point L553(lines 1 955) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:53:43,570 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:53:43,570 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 673) no Hoare annotation was computed. [2021-10-24 10:53:43,570 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2021-10-24 10:53:43,570 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-24 10:53:43,571 INFO L853 garLoopResultBuilder]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2)))) [2021-10-24 10:53:43,571 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2021-10-24 10:53:43,571 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:53:43,571 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 952) no Hoare annotation was computed. [2021-10-24 10:53:43,571 INFO L853 garLoopResultBuilder]: At program point L935-1(lines 1 955) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) .cse2)))) [2021-10-24 10:53:43,571 INFO L857 garLoopResultBuilder]: For program point L935-2(lines 935 952) no Hoare annotation was computed. [2021-10-24 10:53:43,572 INFO L853 garLoopResultBuilder]: At program point L935-3(lines 1 955) the Hoare annotation is: false [2021-10-24 10:53:43,572 INFO L857 garLoopResultBuilder]: For program point L935-4(lines 935 952) no Hoare annotation was computed. [2021-10-24 10:53:43,572 INFO L853 garLoopResultBuilder]: At program point L935-5(lines 1 955) the Hoare annotation is: false [2021-10-24 10:53:43,572 INFO L860 garLoopResultBuilder]: At program point L160(lines 141 163) the Hoare annotation is: true [2021-10-24 10:53:43,572 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:53:43,572 INFO L853 garLoopResultBuilder]: At program point L755(lines 755 761) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not .cse6))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse3 .cse4 .cse2 .cse5) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse5) (and .cse0 .cse4 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse5) (and .cse0 .cse1 .cse3 .cse2)))) [2021-10-24 10:53:43,573 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2021-10-24 10:53:43,573 INFO L853 garLoopResultBuilder]: At program point L755-1(lines 755 761) the Hoare annotation is: false [2021-10-24 10:53:43,573 INFO L857 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2021-10-24 10:53:43,573 INFO L853 garLoopResultBuilder]: At program point L755-2(lines 755 761) the Hoare annotation is: false [2021-10-24 10:53:43,573 INFO L857 garLoopResultBuilder]: For program point L722-2(lines 722 728) no Hoare annotation was computed. [2021-10-24 10:53:43,573 INFO L857 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2021-10-24 10:53:43,574 INFO L853 garLoopResultBuilder]: At program point L888(lines 873 891) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-10-24 10:53:43,574 INFO L853 garLoopResultBuilder]: At program point L888-1(lines 873 891) the Hoare annotation is: false [2021-10-24 10:53:43,574 INFO L853 garLoopResultBuilder]: At program point L888-2(lines 873 891) the Hoare annotation is: false [2021-10-24 10:53:43,574 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 661) no Hoare annotation was computed. [2021-10-24 10:53:43,574 INFO L853 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: false [2021-10-24 10:53:43,575 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 949) no Hoare annotation was computed. [2021-10-24 10:53:43,575 INFO L857 garLoopResultBuilder]: For program point L939-2(lines 939 949) no Hoare annotation was computed. [2021-10-24 10:53:43,575 INFO L857 garLoopResultBuilder]: For program point L939-4(lines 939 949) no Hoare annotation was computed. [2021-10-24 10:53:43,575 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2021-10-24 10:53:43,575 INFO L857 garLoopResultBuilder]: For program point L940-2(lines 940 946) no Hoare annotation was computed. [2021-10-24 10:53:43,575 INFO L857 garLoopResultBuilder]: For program point L940-4(lines 940 946) no Hoare annotation was computed. [2021-10-24 10:53:43,575 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:53:43,576 INFO L853 garLoopResultBuilder]: At program point L924(lines 748 754) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse1 .cse3) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse3) (and .cse0 .cse2 .cse4 .cse3)))) [2021-10-24 10:53:43,576 INFO L853 garLoopResultBuilder]: At program point L924-1(lines 748 754) the Hoare annotation is: false [2021-10-24 10:53:43,576 INFO L853 garLoopResultBuilder]: At program point L924-2(lines 748 754) the Hoare annotation is: false [2021-10-24 10:53:43,576 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:53:43,576 INFO L853 garLoopResultBuilder]: At program point L561(lines 556 564) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:53:43,577 INFO L857 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2021-10-24 10:53:43,577 INFO L853 garLoopResultBuilder]: At program point L727(lines 718 731) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-24 10:53:43,577 INFO L853 garLoopResultBuilder]: At program point L727-1(lines 718 731) the Hoare annotation is: false [2021-10-24 10:53:43,577 INFO L853 garLoopResultBuilder]: At program point L727-2(lines 718 731) the Hoare annotation is: false [2021-10-24 10:53:43,577 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 649) no Hoare annotation was computed. [2021-10-24 10:53:43,577 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2021-10-24 10:53:43,578 INFO L857 garLoopResultBuilder]: For program point L645-3(lines 645 649) no Hoare annotation was computed. [2021-10-24 10:53:43,578 INFO L857 garLoopResultBuilder]: For program point L645-6(lines 645 649) no Hoare annotation was computed. [2021-10-24 10:53:43,578 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 619) no Hoare annotation was computed. [2021-10-24 10:53:43,578 INFO L853 garLoopResultBuilder]: At program point L613-1(lines 613 619) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2)))) [2021-10-24 10:53:43,582 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:53:43,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:53:43 BoogieIcfgContainer [2021-10-24 10:53:43,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:53:43,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:53:43,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:53:43,611 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:53:43,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:53:22" (3/4) ... [2021-10-24 10:53:43,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:53:43,630 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:53:43,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:53:43,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:53:43,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:53:43,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:53:43,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:53:43,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:53:43,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:53:43,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:53:43,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:53:43,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 10:53:43,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 10:53:43,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:53:43,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) [2021-10-24 10:53:43,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:53:43,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:53:43,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && tmp == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:53:43,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:53:43,695 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:53:43,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:53:43,697 INFO L168 Benchmark]: Toolchain (without parser) took 23941.39 ms. Allocated memory was 67.1 MB in the beginning and 109.1 MB in the end (delta: 41.9 MB). Free memory was 46.4 MB in the beginning and 71.0 MB in the end (delta: -24.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:53:43,697 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 67.1 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:53:43,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.98 ms. Allocated memory is still 67.1 MB. Free memory was 46.1 MB in the beginning and 40.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:53:43,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.94 ms. Allocated memory is still 67.1 MB. Free memory was 40.2 MB in the beginning and 37.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:53:43,698 INFO L168 Benchmark]: Boogie Preprocessor took 39.34 ms. Allocated memory is still 67.1 MB. Free memory was 37.1 MB in the beginning and 34.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:53:43,699 INFO L168 Benchmark]: RCFGBuilder took 2167.24 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 34.7 MB in the beginning and 48.1 MB in the end (delta: -13.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:53:43,699 INFO L168 Benchmark]: TraceAbstraction took 20991.31 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 47.6 MB in the beginning and 78.4 MB in the end (delta: -30.8 MB). Peak memory consumption was 42.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:53:43,699 INFO L168 Benchmark]: Witness Printer took 84.56 ms. Allocated memory is still 109.1 MB. Free memory was 78.4 MB in the beginning and 71.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:53:43,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 67.1 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 586.98 ms. Allocated memory is still 67.1 MB. Free memory was 46.1 MB in the beginning and 40.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.94 ms. Allocated memory is still 67.1 MB. Free memory was 40.2 MB in the beginning and 37.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.34 ms. Allocated memory is still 67.1 MB. Free memory was 37.1 MB in the beginning and 34.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2167.24 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 34.7 MB in the beginning and 48.1 MB in the end (delta: -13.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20991.31 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 47.6 MB in the beginning and 78.4 MB in the end (delta: -30.8 MB). Peak memory consumption was 42.0 MB. Max. memory is 16.1 GB. * Witness Printer took 84.56 ms. Allocated memory is still 109.1 MB. Free memory was 78.4 MB in the beginning and 71.0 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 89 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 20895.7ms, OverallIterations: 11, TraceHistogramMax: 4, EmptinessCheckTime: 23.4ms, AutomataDifference: 4796.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5129.9ms, InitialAbstractionConstructionTime: 10.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 924 SDtfs, 1202 SDslu, 1489 SDs, 0 SdLazy, 223 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4039.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1184 GetRequests, 1131 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 307.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=10, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 269.6ms AutomataMinimizationTime, 11 MinimizatonAttempts, 773 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 150 NumberOfFragments, 756 HoareAnnotationTreeSize, 39 FomulaSimplifications, 115503 FormulaSimplificationTreeSizeReduction, 1083.5ms HoareSimplificationTime, 39 FomulaSimplificationsInter, 51289 FormulaSimplificationTreeSizeReductionInter, 4024.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 347.3ms SsaConstructionTime, 1444.7ms SatisfiabilityAnalysisTime, 3587.6ms InterpolantComputationTime, 593 NumberOfCodeBlocks, 593 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1158 ConstructedInterpolants, 0 QuantifiedInterpolants, 2097 SizeOfPredicates, 26 NumberOfNonLiveVariables, 3148 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 472/508 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: 556]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && tmp == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:53:43,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c86d7f3a-a92e-4a94-afa5-553f1ac27c7c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...