./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/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 debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d ............................................................................................................................................ 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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/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 debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:12:55,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:12:55,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:12:55,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:12:55,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:12:55,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:12:55,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:12:55,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:12:55,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:12:55,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:12:55,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:12:55,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:12:55,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:12:55,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:12:55,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:12:55,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:12:55,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:12:55,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:12:55,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:12:55,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:12:55,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:12:55,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:12:55,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:12:55,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:12:55,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:12:55,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:12:55,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:12:55,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:12:55,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:12:55,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:12:55,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:12:55,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:12:55,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:12:55,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:12:55,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:12:55,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:12:55,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:12:55,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:12:55,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:12:55,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:12:55,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:12:55,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:12:55,314 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:12:55,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:12:55,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:12:55,317 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:12:55,318 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:12:55,318 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:12:55,318 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:12:55,318 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:12:55,325 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:12:55,326 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:12:55,327 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:12:55,327 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:12:55,328 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:12:55,328 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:12:55,328 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:12:55,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:12:55,329 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:12:55,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:12:55,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:12:55,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:12:55,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:12:55,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:12:55,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:12:55,331 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:12:55,331 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:12:55,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:12:55,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:12:55,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:12:55,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:12:55,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:12:55,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:12:55,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:12:55,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:12:55,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:12:55,336 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:12:55,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:12:55,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:12:55,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:12:55,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:12:55,338 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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d [2021-10-24 11:12:55,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:12:55,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:12:55,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:12:55,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:12:55,677 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:12:55,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-24 11:12:55,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/data/6aaa883ac/9736b7ee0359470c9ad9faa77ea16d12/FLAG3891b639d [2021-10-24 11:12:56,355 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:12:56,367 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-24 11:12:56,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/data/6aaa883ac/9736b7ee0359470c9ad9faa77ea16d12/FLAG3891b639d [2021-10-24 11:12:56,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/data/6aaa883ac/9736b7ee0359470c9ad9faa77ea16d12 [2021-10-24 11:12:56,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:12:56,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:12:56,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:12:56,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:12:56,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:12:56,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:12:56" (1/1) ... [2021-10-24 11:12:56,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b6a862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:12:56, skipping insertion in model container [2021-10-24 11:12:56,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:12:56" (1/1) ... [2021-10-24 11:12:56,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:12:56,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:12:56,980 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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2021-10-24 11:12:57,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:12:57,072 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 11:12:57,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ec98ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:12:57, skipping insertion in model container [2021-10-24 11:12:57,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:12:57,073 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:12:57,076 INFO L168 Benchmark]: Toolchain (without parser) took 461.59 ms. Allocated memory is still 107.0 MB. Free memory was 73.8 MB in the beginning and 76.6 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:12:57,076 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 107.0 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:12:57,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.15 ms. Allocated memory is still 107.0 MB. Free memory was 73.5 MB in the beginning and 76.6 MB in the end (delta: -3.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:12:57,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 107.0 MB. Free memory is still 62.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.15 ms. Allocated memory is still 107.0 MB. Free memory was 73.5 MB in the beginning and 76.6 MB in the end (delta: -3.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:12:59,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:12:59,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:12:59,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:12:59,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:12:59,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:12:59,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:12:59,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:12:59,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:12:59,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:12:59,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:12:59,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:12:59,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:12:59,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:12:59,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:12:59,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:12:59,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:12:59,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:12:59,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:12:59,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:12:59,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:12:59,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:12:59,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:12:59,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:12:59,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:12:59,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:12:59,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:12:59,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:12:59,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:12:59,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:12:59,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:12:59,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:12:59,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:12:59,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:12:59,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:12:59,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:12:59,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:12:59,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:12:59,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:12:59,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:12:59,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:12:59,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:12:59,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:12:59,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:12:59,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:12:59,799 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:12:59,799 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:12:59,799 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:12:59,799 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:12:59,800 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:12:59,800 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:12:59,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:12:59,803 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:12:59,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:12:59,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:12:59,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:12:59,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:12:59,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:12:59,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:12:59,805 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:12:59,806 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:12:59,806 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:12:59,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:12:59,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:12:59,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:12:59,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:12:59,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:12:59,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:12:59,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:12:59,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:12:59,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:12:59,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:12:59,809 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:12:59,810 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:12:59,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:12:59,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:12:59,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:12:59,811 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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d [2021-10-24 11:13:00,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:13:00,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:13:00,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:13:00,285 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:13:00,285 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:13:00,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-24 11:13:00,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/data/c4abdc95d/d652a06ebec94935ba67be80d0fe7752/FLAGbe4bda362 [2021-10-24 11:13:01,039 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:13:01,040 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-24 11:13:01,055 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/data/c4abdc95d/d652a06ebec94935ba67be80d0fe7752/FLAGbe4bda362 [2021-10-24 11:13:01,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/data/c4abdc95d/d652a06ebec94935ba67be80d0fe7752 [2021-10-24 11:13:01,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:13:01,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:13:01,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:13:01,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:13:01,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:13:01,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:13:01" (1/1) ... [2021-10-24 11:13:01,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49dc5216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:01, skipping insertion in model container [2021-10-24 11:13:01,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:13:01" (1/1) ... [2021-10-24 11:13:01,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:13:01,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:13:01,659 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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2021-10-24 11:13:01,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:13:01,788 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:13:01,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:13:01,848 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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2021-10-24 11:13:01,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:13:01,907 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:13:01,966 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_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2021-10-24 11:13:02,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:13:02,049 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:13:02,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02 WrapperNode [2021-10-24 11:13:02,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:13:02,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:13:02,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:13:02,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:13:02,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02" (1/1) ... [2021-10-24 11:13:02,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02" (1/1) ... [2021-10-24 11:13:02,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:13:02,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:13:02,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:13:02,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:13:02,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02" (1/1) ... [2021-10-24 11:13:02,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02" (1/1) ... [2021-10-24 11:13:02,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02" (1/1) ... [2021-10-24 11:13:02,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02" (1/1) ... [2021-10-24 11:13:02,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02" (1/1) ... [2021-10-24 11:13:02,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02" (1/1) ... [2021-10-24 11:13:02,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02" (1/1) ... [2021-10-24 11:13:02,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:13:02,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:13:02,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:13:02,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:13:02,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02" (1/1) ... [2021-10-24 11:13:02,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:13:02,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:13:02,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:13:02,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:13:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:13:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:13:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:13:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:13:05,214 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:13:05,216 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-24 11:13:05,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:13:05 BoogieIcfgContainer [2021-10-24 11:13:05,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:13:05,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:13:05,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:13:05,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:13:05,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:13:01" (1/3) ... [2021-10-24 11:13:05,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534e5c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:13:05, skipping insertion in model container [2021-10-24 11:13:05,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:02" (2/3) ... [2021-10-24 11:13:05,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534e5c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:13:05, skipping insertion in model container [2021-10-24 11:13:05,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:13:05" (3/3) ... [2021-10-24 11:13:05,246 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2021-10-24 11:13:05,255 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:13:05,255 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:13:05,326 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:13:05,338 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 11:13:05,338 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:13:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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 11:13:05,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 11:13:05,376 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:05,376 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:13:05,377 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 11:13:05,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:05,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2021-10-24 11:13:05,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:13:05,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504855406] [2021-10-24 11:13:05,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:05,401 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:13:05,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:13:05,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:13:05,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:13:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:05,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:13:05,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:05,794 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 11:13:05,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:05,873 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 11:13:05,874 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:13:05,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504855406] [2021-10-24 11:13:05,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504855406] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:05,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:13:05,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:13:05,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082539943] [2021-10-24 11:13:05,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:13:05,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:13:05,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:13:05,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:13:05,920 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:05,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:05,993 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-10-24 11:13:05,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:13:05,995 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 11:13:05,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:06,014 INFO L225 Difference]: With dead ends: 264 [2021-10-24 11:13:06,015 INFO L226 Difference]: Without dead ends: 131 [2021-10-24 11:13:06,019 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 11:13:06,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-24 11:13:06,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-24 11:13:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 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 11:13:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-10-24 11:13:06,093 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-10-24 11:13:06,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:06,093 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-10-24 11:13:06,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:06,094 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-10-24 11:13:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 11:13:06,095 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:06,095 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:13:06,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:06,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:13:06,297 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 11:13:06,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:06,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2021-10-24 11:13:06,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:13:06,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271100864] [2021-10-24 11:13:06,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:06,299 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:13:06,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:13:06,300 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:13:06,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:13:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:06,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:13:06,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:06,641 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 11:13:06,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:13:06,700 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:13:06,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271100864] [2021-10-24 11:13:06,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271100864] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:06,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:13:06,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:13:06,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338822771] [2021-10-24 11:13:06,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:13:06,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:13:06,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:13:06,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:13:06,705 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:06,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:06,724 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-10-24 11:13:06,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:13:06,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 11:13:06,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:06,726 INFO L225 Difference]: With dead ends: 131 [2021-10-24 11:13:06,727 INFO L226 Difference]: Without dead ends: 53 [2021-10-24 11:13:06,728 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:13:06,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-24 11:13:06,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-24 11:13:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-24 11:13:06,736 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-10-24 11:13:06,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:06,736 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-24 11:13:06,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-24 11:13:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 11:13:06,738 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:06,739 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:13:06,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:06,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:13:06,959 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 11:13:06,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:06,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2021-10-24 11:13:06,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:13:06,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215866448] [2021-10-24 11:13:06,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:06,962 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:13:06,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:13:06,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:13:06,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:13:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:07,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:13:07,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:07,300 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 11:13:07,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:07,409 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 11:13:07,409 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:13:07,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215866448] [2021-10-24 11:13:07,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215866448] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:07,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:13:07,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:13:07,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581018939] [2021-10-24 11:13:07,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:13:07,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:13:07,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:13:07,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:13:07,413 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:07,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:07,471 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-10-24 11:13:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:13:07,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 11:13:07,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:07,485 INFO L225 Difference]: With dead ends: 100 [2021-10-24 11:13:07,485 INFO L226 Difference]: Without dead ends: 53 [2021-10-24 11:13:07,486 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:13:07,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-24 11:13:07,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-24 11:13:07,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 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 11:13:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-24 11:13:07,493 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-10-24 11:13:07,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:07,494 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-24 11:13:07,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-24 11:13:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 11:13:07,496 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:07,496 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:13:07,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:07,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:13:07,697 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 11:13:07,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:07,698 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2021-10-24 11:13:07,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:13:07,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362555652] [2021-10-24 11:13:07,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:07,700 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:13:07,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:13:07,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:13:07,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:13:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:07,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:13:07,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:08,053 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 11:13:08,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:08,123 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 11:13:08,124 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:13:08,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362555652] [2021-10-24 11:13:08,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362555652] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:08,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:13:08,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 11:13:08,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966060771] [2021-10-24 11:13:08,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:13:08,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:13:08,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:13:08,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:13:08,129 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 11:13:08,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:08,221 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-10-24 11:13:08,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:13:08,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 11:13:08,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:08,228 INFO L225 Difference]: With dead ends: 121 [2021-10-24 11:13:08,228 INFO L226 Difference]: Without dead ends: 74 [2021-10-24 11:13:08,229 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:13:08,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-24 11:13:08,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-10-24 11:13:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 71 states have internal predecessors, (101), 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 11:13:08,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-10-24 11:13:08,254 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-10-24 11:13:08,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:08,255 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-10-24 11:13:08,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 11:13:08,256 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-10-24 11:13:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-24 11:13:08,257 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:08,258 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] [2021-10-24 11:13:08,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:08,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:13:08,473 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 11:13:08,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:08,474 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2021-10-24 11:13:08,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:13:08,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714105673] [2021-10-24 11:13:08,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:08,475 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:13:08,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:13:08,476 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:13:08,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:13:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:08,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:13:08,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:08,851 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 11:13:08,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:13:08,999 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:13:08,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714105673] [2021-10-24 11:13:09,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714105673] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:09,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:13:09,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 11:13:09,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481443715] [2021-10-24 11:13:09,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:13:09,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:13:09,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:13:09,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:13:09,002 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:09,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:09,432 INFO L93 Difference]: Finished difference Result 536 states and 778 transitions. [2021-10-24 11:13:09,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 11:13:09,433 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-24 11:13:09,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:09,438 INFO L225 Difference]: With dead ends: 536 [2021-10-24 11:13:09,438 INFO L226 Difference]: Without dead ends: 470 [2021-10-24 11:13:09,441 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 167.5ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 11:13:09,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-10-24 11:13:09,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 173. [2021-10-24 11:13:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3953488372093024) internal successors, (240), 172 states have internal predecessors, (240), 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 11:13:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 240 transitions. [2021-10-24 11:13:09,495 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 240 transitions. Word has length 30 [2021-10-24 11:13:09,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:09,496 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 240 transitions. [2021-10-24 11:13:09,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:09,496 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 240 transitions. [2021-10-24 11:13:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-24 11:13:09,508 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:09,509 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:13:09,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:09,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:13:09,734 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 11:13:09,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:09,734 INFO L82 PathProgramCache]: Analyzing trace with hash 731988412, now seen corresponding path program 1 times [2021-10-24 11:13:09,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:13:09,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221083852] [2021-10-24 11:13:09,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:09,736 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:13:09,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:13:09,740 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:13:09,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 11:13:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:10,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 11:13:10,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:13:10,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:13:10,470 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:13:10,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221083852] [2021-10-24 11:13:10,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221083852] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:13:10,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1392933405] [2021-10-24 11:13:10,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:10,472 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:13:10,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:13:10,477 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:13:10,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-24 11:13:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:10,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:13:10,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 11:13:10,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-24 11:13:11,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1392933405] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:11,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 11:13:11,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-24 11:13:11,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067399268] [2021-10-24 11:13:11,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:13:11,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:13:11,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:13:11,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:13:11,045 INFO L87 Difference]: Start difference. First operand 173 states and 240 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 11:13:11,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:11,254 INFO L93 Difference]: Finished difference Result 423 states and 597 transitions. [2021-10-24 11:13:11,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 11:13:11,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 53 [2021-10-24 11:13:11,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:11,259 INFO L225 Difference]: With dead ends: 423 [2021-10-24 11:13:11,259 INFO L226 Difference]: Without dead ends: 421 [2021-10-24 11:13:11,260 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 123.4ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-24 11:13:11,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-24 11:13:11,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 173. [2021-10-24 11:13:11,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3895348837209303) internal successors, (239), 172 states have internal predecessors, (239), 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 11:13:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 239 transitions. [2021-10-24 11:13:11,294 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 239 transitions. Word has length 53 [2021-10-24 11:13:11,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:11,295 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 239 transitions. [2021-10-24 11:13:11,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 11:13:11,296 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 239 transitions. [2021-10-24 11:13:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-24 11:13:11,297 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:11,297 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:13:11,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:11,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:11,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 11:13:11,711 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 11:13:11,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:11,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1233125419, now seen corresponding path program 1 times [2021-10-24 11:13:11,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:13:11,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746335442] [2021-10-24 11:13:11,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:11,713 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:13:11,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:13:11,721 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:13:11,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 11:13:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:11,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:13:11,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:12,143 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 11:13:12,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 11:13:12,283 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:13:12,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746335442] [2021-10-24 11:13:12,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746335442] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:12,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:13:12,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:13:12,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484974651] [2021-10-24 11:13:12,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:13:12,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:13:12,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:13:12,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:13:12,286 INFO L87 Difference]: Start difference. First operand 173 states and 239 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:12,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:12,375 INFO L93 Difference]: Finished difference Result 462 states and 633 transitions. [2021-10-24 11:13:12,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 11:13:12,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-24 11:13:12,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:12,379 INFO L225 Difference]: With dead ends: 462 [2021-10-24 11:13:12,379 INFO L226 Difference]: Without dead ends: 295 [2021-10-24 11:13:12,380 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:13:12,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-24 11:13:12,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 188. [2021-10-24 11:13:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.358288770053476) internal successors, (254), 187 states have internal predecessors, (254), 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 11:13:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 254 transitions. [2021-10-24 11:13:12,402 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 254 transitions. Word has length 54 [2021-10-24 11:13:12,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:12,403 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 254 transitions. [2021-10-24 11:13:12,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 254 transitions. [2021-10-24 11:13:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-24 11:13:12,404 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:12,405 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:13:12,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:12,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:13:12,619 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 11:13:12,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:12,619 INFO L82 PathProgramCache]: Analyzing trace with hash 817858579, now seen corresponding path program 1 times [2021-10-24 11:13:12,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:13:12,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034693169] [2021-10-24 11:13:12,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:12,620 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:13:12,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:13:12,622 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:13:12,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 11:13:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:12,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 11:13:12,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:13,122 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 11:13:13,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 11:13:13,263 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:13:13,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034693169] [2021-10-24 11:13:13,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034693169] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:13,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:13:13,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 11:13:13,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389569848] [2021-10-24 11:13:13,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 11:13:13,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:13:13,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 11:13:13,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:13:13,265 INFO L87 Difference]: Start difference. First operand 188 states and 254 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 11:13:13,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:13,347 INFO L93 Difference]: Finished difference Result 426 states and 575 transitions. [2021-10-24 11:13:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:13:13,348 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 54 [2021-10-24 11:13:13,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:13,351 INFO L225 Difference]: With dead ends: 426 [2021-10-24 11:13:13,351 INFO L226 Difference]: Without dead ends: 244 [2021-10-24 11:13:13,352 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:13:13,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-10-24 11:13:13,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 158. [2021-10-24 11:13:13,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.3312101910828025) internal successors, (209), 157 states have internal predecessors, (209), 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 11:13:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 209 transitions. [2021-10-24 11:13:13,377 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 209 transitions. Word has length 54 [2021-10-24 11:13:13,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:13,377 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 209 transitions. [2021-10-24 11:13:13,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 11:13:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 209 transitions. [2021-10-24 11:13:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-24 11:13:13,379 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:13,379 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:13:13,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-10-24 11:13:13,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:13:13,596 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 11:13:13,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:13,597 INFO L82 PathProgramCache]: Analyzing trace with hash 473466575, now seen corresponding path program 1 times [2021-10-24 11:13:13,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:13:13,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692408477] [2021-10-24 11:13:13,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:13,598 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:13:13,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:13:13,600 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:13:13,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 11:13:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:13,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:13:13,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:13:14,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:13:14,418 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:13:14,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692408477] [2021-10-24 11:13:14,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1692408477] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:13:14,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1058600173] [2021-10-24 11:13:14,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:14,419 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:13:14,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:13:14,420 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:13:14,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-24 11:13:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:14,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-24 11:13:14,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:13:15,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:13:15,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1058600173] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:13:15,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108496421] [2021-10-24 11:13:15,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:15,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:13:15,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:13:15,501 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 11:13:15,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-24 11:13:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:15,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:13:15,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:13:16,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:13:16,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108496421] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:13:16,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 11:13:16,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-10-24 11:13:16,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394949820] [2021-10-24 11:13:16,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-24 11:13:16,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:13:16,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-24 11:13:16,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-24 11:13:16,341 INFO L87 Difference]: Start difference. First operand 158 states and 209 transitions. Second operand has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 12 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 11:13:21,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:21,925 INFO L93 Difference]: Finished difference Result 1916 states and 2593 transitions. [2021-10-24 11:13:21,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-24 11:13:21,925 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 12 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) Word has length 55 [2021-10-24 11:13:21,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:21,938 INFO L225 Difference]: With dead ends: 1916 [2021-10-24 11:13:21,939 INFO L226 Difference]: Without dead ends: 1788 [2021-10-24 11:13:21,942 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2201 ImplicationChecksByTransitivity, 1544.6ms TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-10-24 11:13:21,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2021-10-24 11:13:22,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 283. [2021-10-24 11:13:22,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 282 states have (on average 1.3475177304964538) internal successors, (380), 282 states have internal predecessors, (380), 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 11:13:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 380 transitions. [2021-10-24 11:13:22,014 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 380 transitions. Word has length 55 [2021-10-24 11:13:22,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:22,014 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 380 transitions. [2021-10-24 11:13:22,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 12 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 11:13:22,015 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 380 transitions. [2021-10-24 11:13:22,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-24 11:13:22,017 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:22,017 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 11:13:22,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:22,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:22,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:22,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:13:22,633 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 11:13:22,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:22,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1812186074, now seen corresponding path program 1 times [2021-10-24 11:13:22,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:13:22,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290183323] [2021-10-24 11:13:22,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:22,634 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:13:22,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:13:22,638 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:13:22,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 11:13:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:23,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:13:23,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 11:13:23,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:13:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 11:13:23,465 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:13:23,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290183323] [2021-10-24 11:13:23,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290183323] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:23,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:13:23,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 11:13:23,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754977636] [2021-10-24 11:13:23,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:13:23,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:13:23,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:13:23,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:13:23,468 INFO L87 Difference]: Start difference. First operand 283 states and 380 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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 11:13:23,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:23,563 INFO L93 Difference]: Finished difference Result 456 states and 603 transitions. [2021-10-24 11:13:23,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:13:23,564 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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 76 [2021-10-24 11:13:23,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:23,566 INFO L225 Difference]: With dead ends: 456 [2021-10-24 11:13:23,566 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:13:23,567 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 61.6ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 11:13:23,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:13:23,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:13:23,568 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 11:13:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:13:23,568 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-24 11:13:23,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:23,569 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:13:23,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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 11:13:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:13:23,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:13:23,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:13:23,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:13:23,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:13:23,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 11:13:23,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:13:23,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:13:23,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:23,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:24,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:25,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:13:30,144 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-24 11:13:30,145 INFO L853 garLoopResultBuilder]: At program point L696(lines 691 699) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:13:30,145 INFO L853 garLoopResultBuilder]: At program point L895(lines 880 898) the Hoare annotation is: false [2021-10-24 11:13:30,146 INFO L853 garLoopResultBuilder]: At program point L895-1(lines 880 898) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse4 .cse1 .cse5 .cse6 .cse7 .cse2) (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse4 .cse1 .cse5 .cse6 .cse7 .cse2))) [2021-10-24 11:13:30,146 INFO L853 garLoopResultBuilder]: At program point L895-2(lines 880 898) the Hoare annotation is: false [2021-10-24 11:13:30,146 INFO L853 garLoopResultBuilder]: At program point L895-3(lines 880 898) the Hoare annotation is: false [2021-10-24 11:13:30,146 INFO L853 garLoopResultBuilder]: At program point L895-4(lines 880 898) the Hoare annotation is: false [2021-10-24 11:13:30,147 INFO L853 garLoopResultBuilder]: At program point L895-5(lines 880 898) the Hoare annotation is: false [2021-10-24 11:13:30,147 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:13:30,147 INFO L857 garLoopResultBuilder]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:13:30,147 INFO L857 garLoopResultBuilder]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:13:30,147 INFO L853 garLoopResultBuilder]: At program point L831(lines 824 834) the Hoare annotation is: false [2021-10-24 11:13:30,148 INFO L853 garLoopResultBuilder]: At program point L831-1(lines 824 834) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:13:30,148 INFO L853 garLoopResultBuilder]: At program point L831-2(lines 824 834) the Hoare annotation is: false [2021-10-24 11:13:30,148 INFO L853 garLoopResultBuilder]: At program point L831-3(lines 824 834) the Hoare annotation is: false [2021-10-24 11:13:30,148 INFO L853 garLoopResultBuilder]: At program point L831-4(lines 824 834) the Hoare annotation is: false [2021-10-24 11:13:30,149 INFO L853 garLoopResultBuilder]: At program point L831-5(lines 824 834) the Hoare annotation is: false [2021-10-24 11:13:30,149 INFO L853 garLoopResultBuilder]: At program point L536(lines 531 539) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 11:13:30,149 INFO L853 garLoopResultBuilder]: At program point L536-1(lines 531 539) the Hoare annotation is: false [2021-10-24 11:13:30,149 INFO L853 garLoopResultBuilder]: At program point L536-2(lines 531 539) the Hoare annotation is: false [2021-10-24 11:13:30,150 INFO L853 garLoopResultBuilder]: At program point L504(lines 499 507) the Hoare annotation is: false [2021-10-24 11:13:30,150 INFO L853 garLoopResultBuilder]: At program point L504-1(lines 499 507) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:13:30,150 INFO L853 garLoopResultBuilder]: At program point L504-2(lines 499 507) the Hoare annotation is: false [2021-10-24 11:13:30,150 INFO L853 garLoopResultBuilder]: At program point L504-3(lines 499 507) the Hoare annotation is: false [2021-10-24 11:13:30,151 INFO L853 garLoopResultBuilder]: At program point L504-4(lines 499 507) the Hoare annotation is: false [2021-10-24 11:13:30,151 INFO L853 garLoopResultBuilder]: At program point L504-5(lines 499 507) the Hoare annotation is: false [2021-10-24 11:13:30,151 INFO L857 garLoopResultBuilder]: For program point L967(lines 967 980) no Hoare annotation was computed. [2021-10-24 11:13:30,151 INFO L857 garLoopResultBuilder]: For program point L769(lines 769 786) no Hoare annotation was computed. [2021-10-24 11:13:30,152 INFO L857 garLoopResultBuilder]: For program point L769-1(lines 769 786) no Hoare annotation was computed. [2021-10-24 11:13:30,152 INFO L857 garLoopResultBuilder]: For program point L769-2(lines 769 786) no Hoare annotation was computed. [2021-10-24 11:13:30,152 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-24 11:13:30,152 INFO L857 garLoopResultBuilder]: For program point L938(lines 937 984) no Hoare annotation was computed. [2021-10-24 11:13:30,152 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 812) no Hoare annotation was computed. [2021-10-24 11:13:30,153 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 781) no Hoare annotation was computed. [2021-10-24 11:13:30,153 INFO L857 garLoopResultBuilder]: For program point L806-2(lines 806 812) no Hoare annotation was computed. [2021-10-24 11:13:30,153 INFO L857 garLoopResultBuilder]: For program point L773-1(lines 773 781) no Hoare annotation was computed. [2021-10-24 11:13:30,153 INFO L857 garLoopResultBuilder]: For program point L773-2(lines 773 781) no Hoare annotation was computed. [2021-10-24 11:13:30,154 INFO L857 garLoopResultBuilder]: For program point L806-4(lines 806 812) no Hoare annotation was computed. [2021-10-24 11:13:30,154 INFO L857 garLoopResultBuilder]: For program point L806-6(lines 806 812) no Hoare annotation was computed. [2021-10-24 11:13:30,154 INFO L857 garLoopResultBuilder]: For program point L806-8(lines 806 812) no Hoare annotation was computed. [2021-10-24 11:13:30,154 INFO L857 garLoopResultBuilder]: For program point L806-10(lines 806 812) no Hoare annotation was computed. [2021-10-24 11:13:30,154 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 943) no Hoare annotation was computed. [2021-10-24 11:13:30,155 INFO L853 garLoopResultBuilder]: At program point L840(lines 835 843) the Hoare annotation is: false [2021-10-24 11:13:30,155 INFO L853 garLoopResultBuilder]: At program point L840-1(lines 835 843) the Hoare annotation is: false [2021-10-24 11:13:30,155 INFO L853 garLoopResultBuilder]: At program point L840-2(lines 835 843) the Hoare annotation is: false [2021-10-24 11:13:30,155 INFO L853 garLoopResultBuilder]: At program point L576-2(lines 576 590) the Hoare annotation is: false [2021-10-24 11:13:30,156 INFO L857 garLoopResultBuilder]: For program point L577(line 577) no Hoare annotation was computed. [2021-10-24 11:13:30,156 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed. [2021-10-24 11:13:30,156 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2021-10-24 11:13:30,156 INFO L857 garLoopResultBuilder]: For program point L544-2(lines 544 550) no Hoare annotation was computed. [2021-10-24 11:13:30,156 INFO L857 garLoopResultBuilder]: For program point L544-3(lines 544 550) no Hoare annotation was computed. [2021-10-24 11:13:30,157 INFO L857 garLoopResultBuilder]: For program point L544-4(lines 544 550) no Hoare annotation was computed. [2021-10-24 11:13:30,157 INFO L857 garLoopResultBuilder]: For program point L544-5(lines 544 550) no Hoare annotation was computed. [2021-10-24 11:13:30,157 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 912) no Hoare annotation was computed. [2021-10-24 11:13:30,157 INFO L857 garLoopResultBuilder]: For program point L908-2(lines 908 912) no Hoare annotation was computed. [2021-10-24 11:13:30,157 INFO L857 garLoopResultBuilder]: For program point L908-3(lines 908 912) no Hoare annotation was computed. [2021-10-24 11:13:30,158 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 760) no Hoare annotation was computed. [2021-10-24 11:13:30,158 INFO L857 garLoopResultBuilder]: For program point L908-5(lines 908 912) no Hoare annotation was computed. [2021-10-24 11:13:30,158 INFO L857 garLoopResultBuilder]: For program point L743-1(lines 743 760) no Hoare annotation was computed. [2021-10-24 11:13:30,158 INFO L857 garLoopResultBuilder]: For program point L908-6(lines 908 912) no Hoare annotation was computed. [2021-10-24 11:13:30,159 INFO L857 garLoopResultBuilder]: For program point L743-2(lines 743 760) no Hoare annotation was computed. [2021-10-24 11:13:30,159 INFO L857 garLoopResultBuilder]: For program point L743-3(lines 743 760) no Hoare annotation was computed. [2021-10-24 11:13:30,159 INFO L857 garLoopResultBuilder]: For program point L908-8(lines 908 912) no Hoare annotation was computed. [2021-10-24 11:13:30,159 INFO L857 garLoopResultBuilder]: For program point L743-4(lines 743 760) no Hoare annotation was computed. [2021-10-24 11:13:30,159 INFO L857 garLoopResultBuilder]: For program point L743-5(lines 743 760) no Hoare annotation was computed. [2021-10-24 11:13:30,160 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 483) no Hoare annotation was computed. [2021-10-24 11:13:30,160 INFO L857 garLoopResultBuilder]: For program point L975(lines 975 979) no Hoare annotation was computed. [2021-10-24 11:13:30,160 INFO L853 garLoopResultBuilder]: At program point L975-2(lines 711 717) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse2 .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-24 11:13:30,161 INFO L853 garLoopResultBuilder]: At program point L711(lines 710 729) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse3 .cse2) (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse3))) [2021-10-24 11:13:30,161 INFO L857 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2021-10-24 11:13:30,161 INFO L853 garLoopResultBuilder]: At program point L711-2(lines 710 729) the Hoare annotation is: false [2021-10-24 11:13:30,161 INFO L853 garLoopResultBuilder]: At program point L711-3(lines 710 729) the Hoare annotation is: false [2021-10-24 11:13:30,161 INFO L857 garLoopResultBuilder]: For program point L580(lines 580 584) no Hoare annotation was computed. [2021-10-24 11:13:30,162 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 711 717) no Hoare annotation was computed. [2021-10-24 11:13:30,162 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-24 11:13:30,162 INFO L857 garLoopResultBuilder]: For program point L449-1(line 449) no Hoare annotation was computed. [2021-10-24 11:13:30,162 INFO L857 garLoopResultBuilder]: For program point L449-2(line 449) no Hoare annotation was computed. [2021-10-24 11:13:30,163 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:13:30,163 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 755) no Hoare annotation was computed. [2021-10-24 11:13:30,163 INFO L857 garLoopResultBuilder]: For program point L747-1(lines 747 755) no Hoare annotation was computed. [2021-10-24 11:13:30,163 INFO L857 garLoopResultBuilder]: For program point L747-2(lines 747 755) no Hoare annotation was computed. [2021-10-24 11:13:30,163 INFO L857 garLoopResultBuilder]: For program point L747-3(lines 747 755) no Hoare annotation was computed. [2021-10-24 11:13:30,164 INFO L857 garLoopResultBuilder]: For program point L747-4(lines 747 755) no Hoare annotation was computed. [2021-10-24 11:13:30,164 INFO L857 garLoopResultBuilder]: For program point L747-5(lines 747 755) no Hoare annotation was computed. [2021-10-24 11:13:30,164 INFO L853 garLoopResultBuilder]: At program point L549(lines 540 553) the Hoare annotation is: false [2021-10-24 11:13:30,164 INFO L853 garLoopResultBuilder]: At program point L549-1(lines 540 553) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse4 .cse2) (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse1 .cse4 .cse2))) [2021-10-24 11:13:30,165 INFO L853 garLoopResultBuilder]: At program point L549-2(lines 540 553) the Hoare annotation is: false [2021-10-24 11:13:30,165 INFO L853 garLoopResultBuilder]: At program point L549-3(lines 540 553) the Hoare annotation is: false [2021-10-24 11:13:30,165 INFO L853 garLoopResultBuilder]: At program point L549-4(lines 540 553) the Hoare annotation is: false [2021-10-24 11:13:30,165 INFO L853 garLoopResultBuilder]: At program point L549-5(lines 540 553) the Hoare annotation is: false [2021-10-24 11:13:30,166 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2021-10-24 11:13:30,166 INFO L853 garLoopResultBuilder]: At program point L947-1(lines 947 953) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse2 .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-24 11:13:30,166 INFO L853 garLoopResultBuilder]: At program point L914(lines 899 917) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) [2021-10-24 11:13:30,166 INFO L853 garLoopResultBuilder]: At program point L914-1(lines 899 917) the Hoare annotation is: false [2021-10-24 11:13:30,167 INFO L853 garLoopResultBuilder]: At program point L914-2(lines 899 917) the Hoare annotation is: false [2021-10-24 11:13:30,167 INFO L853 garLoopResultBuilder]: At program point L718(lines 718 724) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv1 32)) .cse3))) [2021-10-24 11:13:30,167 INFO L853 garLoopResultBuilder]: At program point L718-1(lines 718 724) the Hoare annotation is: false [2021-10-24 11:13:30,167 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 659) no Hoare annotation was computed. [2021-10-24 11:13:30,168 INFO L853 garLoopResultBuilder]: At program point L718-2(lines 718 724) the Hoare annotation is: false [2021-10-24 11:13:30,168 INFO L860 garLoopResultBuilder]: At program point L652-1(lines 652 659) the Hoare annotation is: true [2021-10-24 11:13:30,168 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:13:30,168 INFO L853 garLoopResultBuilder]: At program point L985(lines 936 986) the Hoare annotation is: false [2021-10-24 11:13:30,169 INFO L853 garLoopResultBuilder]: At program point L688(lines 1 992) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:13:30,169 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:13:30,169 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-10-24 11:13:30,169 INFO L857 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,170 INFO L857 garLoopResultBuilder]: For program point L889-2(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,170 INFO L857 garLoopResultBuilder]: For program point L889-3(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,170 INFO L857 garLoopResultBuilder]: For program point L889-5(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,170 INFO L857 garLoopResultBuilder]: For program point L889-6(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,170 INFO L853 garLoopResultBuilder]: At program point L625(lines 621 627) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:13:30,171 INFO L857 garLoopResultBuilder]: For program point L889-8(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,171 INFO L857 garLoopResultBuilder]: For program point L889-9(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,171 INFO L853 garLoopResultBuilder]: At program point L559(lines 554 562) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-10-24 11:13:30,171 INFO L853 garLoopResultBuilder]: At program point L559-1(lines 554 562) the Hoare annotation is: false [2021-10-24 11:13:30,172 INFO L857 garLoopResultBuilder]: For program point L889-11(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,172 INFO L853 garLoopResultBuilder]: At program point L559-2(lines 554 562) the Hoare annotation is: false [2021-10-24 11:13:30,172 INFO L857 garLoopResultBuilder]: For program point L889-12(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,172 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 440) no Hoare annotation was computed. [2021-10-24 11:13:30,172 INFO L857 garLoopResultBuilder]: For program point L889-14(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,173 INFO L853 garLoopResultBuilder]: At program point L427-1(lines 1 992) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-24 11:13:30,173 INFO L857 garLoopResultBuilder]: For program point L889-15(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,173 INFO L857 garLoopResultBuilder]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2021-10-24 11:13:30,173 INFO L853 garLoopResultBuilder]: At program point L427-3(lines 1 992) the Hoare annotation is: false [2021-10-24 11:13:30,174 INFO L857 garLoopResultBuilder]: For program point L889-17(lines 889 893) no Hoare annotation was computed. [2021-10-24 11:13:30,174 INFO L857 garLoopResultBuilder]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2021-10-24 11:13:30,174 INFO L853 garLoopResultBuilder]: At program point L427-5(lines 1 992) the Hoare annotation is: false [2021-10-24 11:13:30,174 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:13:30,175 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2021-10-24 11:13:30,175 INFO L853 garLoopResultBuilder]: At program point L957-1(lines 957 963) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse2 .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-24 11:13:30,175 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-24 11:13:30,175 INFO L860 garLoopResultBuilder]: At program point L661(lines 642 664) the Hoare annotation is: true [2021-10-24 11:13:30,176 INFO L857 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-10-24 11:13:30,176 INFO L857 garLoopResultBuilder]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2021-10-24 11:13:30,176 INFO L857 garLoopResultBuilder]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2021-10-24 11:13:30,182 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:13:30,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:13:30 BoogieIcfgContainer [2021-10-24 11:13:30,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:13:30,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:13:30,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:13:30,218 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:13:30,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:13:05" (3/4) ... [2021-10-24 11:13:30,222 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:13:30,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:13:30,252 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:13:30,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:13:30,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:13:30,257 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:13:30,258 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:13:30,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:13:30,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:13:30,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:13:30,295 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 11:13:30,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 11:13:30,297 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 11:13:30,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 11:13:30,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) [2021-10-24 11:13:30,299 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:13:30,301 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 11:13:30,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-10-24 11:13:30,304 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:13:30,307 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32 [2021-10-24 11:13:30,311 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:13:30,386 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:13:30,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:13:30,388 INFO L168 Benchmark]: Toolchain (without parser) took 29102.61 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 53.4 MB in the beginning and 61.4 MB in the end (delta: -8.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:13:30,389 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 73.4 MB. Free memory was 53.9 MB in the beginning and 53.9 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:13:30,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.04 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 40.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:13:30,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.11 ms. Allocated memory is still 73.4 MB. Free memory was 40.3 MB in the beginning and 36.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:13:30,390 INFO L168 Benchmark]: Boogie Preprocessor took 82.14 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 36.5 MB in the beginning and 71.1 MB in the end (delta: -34.6 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:13:30,391 INFO L168 Benchmark]: RCFGBuilder took 2960.53 ms. Allocated memory is still 90.2 MB. Free memory was 71.1 MB in the beginning and 41.1 MB in the end (delta: 29.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:13:30,391 INFO L168 Benchmark]: TraceAbstraction took 24995.94 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 40.7 MB in the beginning and 73.0 MB in the end (delta: -32.3 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:13:30,392 INFO L168 Benchmark]: Witness Printer took 168.75 ms. Allocated memory is still 109.1 MB. Free memory was 73.0 MB in the beginning and 61.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:13:30,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 73.4 MB. Free memory was 53.9 MB in the beginning and 53.9 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 764.04 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 40.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 124.11 ms. Allocated memory is still 73.4 MB. Free memory was 40.3 MB in the beginning and 36.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.14 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 36.5 MB in the beginning and 71.1 MB in the end (delta: -34.6 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2960.53 ms. Allocated memory is still 90.2 MB. Free memory was 71.1 MB in the beginning and 41.1 MB in the end (delta: 29.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24995.94 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 40.7 MB in the beginning and 73.0 MB in the end (delta: -32.3 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. * Witness Printer took 168.75 ms. Allocated memory is still 109.1 MB. Free memory was 73.0 MB in the beginning and 61.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 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: 449]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 449]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 449]: 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, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 24857.5ms, OverallIterations: 10, TraceHistogramMax: 3, EmptinessCheckTime: 41.8ms, AutomataDifference: 6867.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 6355.0ms, InitialAbstractionConstructionTime: 18.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1254 SDtfs, 3755 SDslu, 3838 SDs, 0 SdLazy, 834 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4030.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1192 GetRequests, 1068 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2244 ImplicationChecksByTransitivity, 1983.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=9, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 297.3ms AutomataMinimizationTime, 10 MinimizatonAttempts, 2245 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 126 NumberOfFragments, 672 HoareAnnotationTreeSize, 55 FomulaSimplifications, 254521 FormulaSimplificationTreeSizeReduction, 1485.1ms HoareSimplificationTime, 55 FomulaSimplificationsInter, 39096 FormulaSimplificationTreeSizeReductionInter, 4852.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 356.7ms SsaConstructionTime, 1517.8ms SatisfiabilityAnalysisTime, 4404.2ms InterpolantComputationTime, 564 NumberOfCodeBlocks, 564 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1102 ConstructedInterpolants, 0 QuantifiedInterpolants, 2255 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2966 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 26 InterpolantComputations, 18 PerfectInterpolantSequences, 268/326 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: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-24 11:13:30,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0bc2d65-eeca-4cbb-ae1b-5adc7921dc63/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...