./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8 --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 ec4497e08a1792200bf5eff0342ec51442e382a3 ............................................................................................................................................ 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_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8 --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 ec4497e08a1792200bf5eff0342ec51442e382a3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:00:15,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:00:15,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:00:15,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:00:15,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:00:15,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:00:15,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:00:15,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:00:15,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:00:15,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:00:15,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:00:15,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:00:15,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:00:15,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:00:15,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:00:15,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:00:15,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:00:15,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:00:15,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:00:15,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:00:15,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:00:15,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:00:15,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:00:15,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:00:15,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:00:15,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:00:15,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:00:15,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:00:15,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:00:15,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:00:15,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:00:15,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:00:15,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:00:15,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:00:15,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:00:15,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:00:15,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:00:15,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:00:15,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:00:15,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:00:15,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:00:15,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:00:15,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:00:15,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:00:15,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:00:15,470 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:00:15,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:00:15,470 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:00:15,470 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:00:15,470 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:00:15,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:00:15,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:00:15,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:00:15,471 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:00:15,471 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:00:15,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:00:15,472 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:00:15,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:00:15,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:00:15,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:00:15,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:00:15,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:00:15,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:00:15,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:00:15,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:00:15,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:00:15,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:00:15,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:00:15,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:00:15,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:00:15,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:00:15,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:00:15,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:00:15,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:00:15,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:00:15,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:00:15,477 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:00:15,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:00:15,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:00:15,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:00:15,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:00:15,478 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_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4497e08a1792200bf5eff0342ec51442e382a3 [2021-10-13 08:00:15,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:00:15,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:00:15,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:00:15,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:00:15,763 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:00:15,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-13 08:00:15,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/data/b22eec0e9/d0349139c95a4a8296d158964d6ae3ad/FLAG23f8f3479 [2021-10-13 08:00:16,458 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:00:16,464 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-13 08:00:16,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/data/b22eec0e9/d0349139c95a4a8296d158964d6ae3ad/FLAG23f8f3479 [2021-10-13 08:00:16,706 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/data/b22eec0e9/d0349139c95a4a8296d158964d6ae3ad [2021-10-13 08:00:16,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:00:16,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:00:16,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:00:16,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:00:16,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:00:16,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:00:16" (1/1) ... [2021-10-13 08:00:16,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5ae04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:16, skipping insertion in model container [2021-10-13 08:00:16,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:00:16" (1/1) ... [2021-10-13 08:00:16,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:00:16,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:00:17,087 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_a665a4aa-6eaf-47d9-abf8-f1675aacc481/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[3965,3978] [2021-10-13 08:00:17,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:00:17,425 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) [2021-10-13 08:00:17,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@dc20948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:17, skipping insertion in model container [2021-10-13 08:00:17,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:00:17,427 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:00:17,429 INFO L168 Benchmark]: Toolchain (without parser) took 714.81 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 54.3 MB in the beginning and 83.8 MB in the end (delta: -29.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:17,430 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory was 64.1 MB in the beginning and 64.1 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:00:17,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.37 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 54.0 MB in the beginning and 83.8 MB in the end (delta: -29.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:17,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory was 64.1 MB in the beginning and 64.1 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 710.37 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 54.0 MB in the beginning and 83.8 MB in the end (delta: -29.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 836]: 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-4e77c04 [2021-10-13 08:00:19,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:00:19,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:00:19,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:00:19,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:00:19,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:00:19,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:00:19,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:00:19,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:00:19,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:00:19,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:00:19,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:00:19,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:00:19,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:00:19,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:00:19,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:00:19,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:00:19,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:00:19,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:00:19,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:00:19,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:00:19,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:00:19,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:00:19,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:00:19,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:00:19,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:00:19,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:00:19,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:00:19,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:00:19,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:00:19,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:00:19,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:00:19,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:00:19,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:00:19,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:00:19,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:00:19,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:00:19,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:00:19,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:00:19,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:00:19,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:00:19,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:00:19,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:00:19,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:00:19,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:00:19,949 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:00:19,950 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:00:19,950 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:00:19,950 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:00:19,950 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:00:19,950 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:00:19,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:00:19,951 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:00:19,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:00:19,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:00:19,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:00:19,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:00:19,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:00:19,952 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:00:19,953 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:00:19,953 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:00:19,953 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:00:19,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:00:19,953 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:00:19,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:00:19,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:00:19,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:00:19,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:00:19,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:00:19,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:00:19,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:00:19,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:00:19,955 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:00:19,955 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:19,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:00:19,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:00:19,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:00:19,956 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_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4497e08a1792200bf5eff0342ec51442e382a3 [2021-10-13 08:00:20,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:00:20,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:00:20,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:00:20,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:00:20,401 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:00:20,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-13 08:00:20,485 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/data/11d04b4d2/cb3fdaedb1684602bcc5362418db8975/FLAG6ae912e46 [2021-10-13 08:00:21,149 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:00:21,149 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-13 08:00:21,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/data/11d04b4d2/cb3fdaedb1684602bcc5362418db8975/FLAG6ae912e46 [2021-10-13 08:00:21,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/data/11d04b4d2/cb3fdaedb1684602bcc5362418db8975 [2021-10-13 08:00:21,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:00:21,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:00:21,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:00:21,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:00:21,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:00:21,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:00:21" (1/1) ... [2021-10-13 08:00:21,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39856296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:21, skipping insertion in model container [2021-10-13 08:00:21,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:00:21" (1/1) ... [2021-10-13 08:00:21,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:00:21,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:00:21,716 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_a665a4aa-6eaf-47d9-abf8-f1675aacc481/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[3965,3978] [2021-10-13 08:00:22,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:00:22,115 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 08:00:22,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:00:22,154 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_a665a4aa-6eaf-47d9-abf8-f1675aacc481/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[3965,3978] [2021-10-13 08:00:22,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:00:22,258 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:00:22,275 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_a665a4aa-6eaf-47d9-abf8-f1675aacc481/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[3965,3978] [2021-10-13 08:00:22,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:00:22,377 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:00:22,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22 WrapperNode [2021-10-13 08:00:22,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:00:22,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:00:22,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:00:22,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:00:22,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22" (1/1) ... [2021-10-13 08:00:22,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22" (1/1) ... [2021-10-13 08:00:22,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:00:22,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:00:22,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:00:22,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:00:22,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22" (1/1) ... [2021-10-13 08:00:22,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22" (1/1) ... [2021-10-13 08:00:22,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22" (1/1) ... [2021-10-13 08:00:22,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22" (1/1) ... [2021-10-13 08:00:22,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22" (1/1) ... [2021-10-13 08:00:22,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22" (1/1) ... [2021-10-13 08:00:22,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22" (1/1) ... [2021-10-13 08:00:22,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:00:22,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:00:22,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:00:22,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:00:22,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22" (1/1) ... [2021-10-13 08:00:22,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:00:22,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:00:22,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:00:22,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:00:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-13 08:00:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:00:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 08:00:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:00:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:00:25,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:00:25,413 INFO L299 CfgBuilder]: Removed 127 assume(true) statements. [2021-10-13 08:00:25,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:00:25 BoogieIcfgContainer [2021-10-13 08:00:25,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:00:25,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:00:25,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:00:25,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:00:25,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:00:21" (1/3) ... [2021-10-13 08:00:25,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fff6479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:00:25, skipping insertion in model container [2021-10-13 08:00:25,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:22" (2/3) ... [2021-10-13 08:00:25,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fff6479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:00:25, skipping insertion in model container [2021-10-13 08:00:25,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:00:25" (3/3) ... [2021-10-13 08:00:25,424 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product05.cil.c [2021-10-13 08:00:25,430 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:00:25,430 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-13 08:00:25,481 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:00:25,487 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, mConcurrency=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 [2021-10-13 08:00:25,488 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-13 08:00:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 131 states have (on average 1.6488549618320612) internal successors, (216), 133 states have internal predecessors, (216), 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) [2021-10-13 08:00:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 08:00:25,513 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:25,514 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:25,514 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:25,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:25,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1721357046, now seen corresponding path program 1 times [2021-10-13 08:00:25,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:25,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568951330] [2021-10-13 08:00:25,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:25,536 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:25,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:25,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:25,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 08:00:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:25,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 08:00:25,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:26,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:26,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:26,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:26,124 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:26,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568951330] [2021-10-13 08:00:26,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568951330] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:26,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:26,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 08:00:26,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150016635] [2021-10-13 08:00:26,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 08:00:26,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:26,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 08:00:26,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:00:26,159 INFO L87 Difference]: Start difference. First operand has 134 states, 131 states have (on average 1.6488549618320612) internal successors, (216), 133 states have internal predecessors, (216), 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 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:26,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:26,213 INFO L93 Difference]: Finished difference Result 221 states and 347 transitions. [2021-10-13 08:00:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 08:00:26,215 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 08:00:26,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:26,229 INFO L225 Difference]: With dead ends: 221 [2021-10-13 08:00:26,229 INFO L226 Difference]: Without dead ends: 118 [2021-10-13 08:00:26,233 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:00:26,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-13 08:00:26,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-13 08:00:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 116 states have (on average 1.6120689655172413) internal successors, (187), 117 states have internal predecessors, (187), 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) [2021-10-13 08:00:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 187 transitions. [2021-10-13 08:00:26,280 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 187 transitions. Word has length 34 [2021-10-13 08:00:26,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:26,282 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 187 transitions. [2021-10-13 08:00:26,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:26,283 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2021-10-13 08:00:26,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 08:00:26,286 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:26,287 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:26,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:26,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:26,501 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:26,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:26,502 INFO L82 PathProgramCache]: Analyzing trace with hash -122239248, now seen corresponding path program 1 times [2021-10-13 08:00:26,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:26,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364845349] [2021-10-13 08:00:26,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:26,503 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:26,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:26,508 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:26,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 08:00:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:26,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 08:00:26,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:26,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:27,052 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:27,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364845349] [2021-10-13 08:00:27,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364845349] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:27,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:27,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:00:27,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978821118] [2021-10-13 08:00:27,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:00:27,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:27,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:00:27,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:00:27,056 INFO L87 Difference]: Start difference. First operand 118 states and 187 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:27,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:27,169 INFO L93 Difference]: Finished difference Result 328 states and 520 transitions. [2021-10-13 08:00:27,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:00:27,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 08:00:27,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:27,177 INFO L225 Difference]: With dead ends: 328 [2021-10-13 08:00:27,177 INFO L226 Difference]: Without dead ends: 221 [2021-10-13 08:00:27,180 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:00:27,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-10-13 08:00:27,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 117. [2021-10-13 08:00:27,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.5826086956521739) internal successors, (182), 116 states have internal predecessors, (182), 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) [2021-10-13 08:00:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 182 transitions. [2021-10-13 08:00:27,212 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 182 transitions. Word has length 35 [2021-10-13 08:00:27,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:27,213 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 182 transitions. [2021-10-13 08:00:27,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:27,213 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2021-10-13 08:00:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 08:00:27,215 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:27,215 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:27,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:27,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:27,432 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:27,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:27,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1018177341, now seen corresponding path program 1 times [2021-10-13 08:00:27,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:27,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108014039] [2021-10-13 08:00:27,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:27,436 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:27,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:27,437 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:27,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 08:00:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:27,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 08:00:27,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:27,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:27,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:27,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:27,982 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:27,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108014039] [2021-10-13 08:00:27,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108014039] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:27,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:27,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:00:27,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624983053] [2021-10-13 08:00:27,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:00:27,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:27,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:00:27,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:00:27,989 INFO L87 Difference]: Start difference. First operand 117 states and 182 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:28,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:28,052 INFO L93 Difference]: Finished difference Result 227 states and 354 transitions. [2021-10-13 08:00:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:00:28,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 08:00:28,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:28,054 INFO L225 Difference]: With dead ends: 227 [2021-10-13 08:00:28,054 INFO L226 Difference]: Without dead ends: 118 [2021-10-13 08:00:28,058 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:00:28,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-13 08:00:28,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2021-10-13 08:00:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.5565217391304347) internal successors, (179), 116 states have internal predecessors, (179), 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) [2021-10-13 08:00:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2021-10-13 08:00:28,075 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 37 [2021-10-13 08:00:28,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:28,075 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2021-10-13 08:00:28,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2021-10-13 08:00:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 08:00:28,082 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:28,082 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:28,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:28,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:28,296 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:28,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:28,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1032935230, now seen corresponding path program 1 times [2021-10-13 08:00:28,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:28,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123268576] [2021-10-13 08:00:28,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:28,298 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:28,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:28,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:28,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 08:00:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:28,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:00:28,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:28,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:28,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:28,857 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:28,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123268576] [2021-10-13 08:00:28,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123268576] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:28,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:28,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:00:28,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025735965] [2021-10-13 08:00:28,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:00:28,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:28,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:00:28,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:00:28,860 INFO L87 Difference]: Start difference. First operand 117 states and 179 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 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) [2021-10-13 08:00:28,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:28,890 INFO L93 Difference]: Finished difference Result 290 states and 447 transitions. [2021-10-13 08:00:28,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:00:28,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 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 38 [2021-10-13 08:00:28,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:28,892 INFO L225 Difference]: With dead ends: 290 [2021-10-13 08:00:28,892 INFO L226 Difference]: Without dead ends: 219 [2021-10-13 08:00:28,893 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:00:28,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-10-13 08:00:28,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 148. [2021-10-13 08:00:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 146 states have (on average 1.6095890410958904) internal successors, (235), 147 states have internal predecessors, (235), 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) [2021-10-13 08:00:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 235 transitions. [2021-10-13 08:00:28,910 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 235 transitions. Word has length 38 [2021-10-13 08:00:28,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:28,910 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 235 transitions. [2021-10-13 08:00:28,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 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) [2021-10-13 08:00:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 235 transitions. [2021-10-13 08:00:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-13 08:00:28,912 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:28,912 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:28,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:29,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:29,125 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:29,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:29,125 INFO L82 PathProgramCache]: Analyzing trace with hash 196922526, now seen corresponding path program 1 times [2021-10-13 08:00:29,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:29,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269452755] [2021-10-13 08:00:29,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:29,126 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:29,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:29,129 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:29,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 08:00:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:29,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:00:29,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:29,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:29,706 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:29,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269452755] [2021-10-13 08:00:29,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269452755] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:29,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:29,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:00:29,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438111869] [2021-10-13 08:00:29,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:00:29,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:29,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:00:29,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:00:29,708 INFO L87 Difference]: Start difference. First operand 148 states and 235 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-10-13 08:00:29,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:29,757 INFO L93 Difference]: Finished difference Result 474 states and 762 transitions. [2021-10-13 08:00:29,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:00:29,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 48 [2021-10-13 08:00:29,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:29,762 INFO L225 Difference]: With dead ends: 474 [2021-10-13 08:00:29,762 INFO L226 Difference]: Without dead ends: 374 [2021-10-13 08:00:29,763 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:00:29,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-10-13 08:00:29,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 202. [2021-10-13 08:00:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 200 states have (on average 1.68) internal successors, (336), 201 states have internal predecessors, (336), 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) [2021-10-13 08:00:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 336 transitions. [2021-10-13 08:00:29,810 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 336 transitions. Word has length 48 [2021-10-13 08:00:29,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:29,810 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 336 transitions. [2021-10-13 08:00:29,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-10-13 08:00:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 336 transitions. [2021-10-13 08:00:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 08:00:29,812 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:29,812 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:29,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:30,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:30,025 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:30,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:30,026 INFO L82 PathProgramCache]: Analyzing trace with hash -867360645, now seen corresponding path program 1 times [2021-10-13 08:00:30,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:30,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949213506] [2021-10-13 08:00:30,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:30,027 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:30,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:30,028 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:30,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 08:00:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:30,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:00:30,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:30,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:30,689 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:30,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949213506] [2021-10-13 08:00:30,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949213506] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:00:30,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [663713911] [2021-10-13 08:00:30,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:30,690 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:30,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:00:30,692 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:00:30,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-13 08:00:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:31,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-13 08:00:31,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 08:00:31,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 08:00:31,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [663713911] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:31,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:00:31,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [5, 5] total 22 [2021-10-13 08:00:31,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767620521] [2021-10-13 08:00:31,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 08:00:31,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:31,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 08:00:31,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-13 08:00:31,784 INFO L87 Difference]: Start difference. First operand 202 states and 336 transitions. Second operand has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 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) [2021-10-13 08:00:39,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:39,219 INFO L93 Difference]: Finished difference Result 1612 states and 2260 transitions. [2021-10-13 08:00:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-13 08:00:39,220 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 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 49 [2021-10-13 08:00:39,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:39,230 INFO L225 Difference]: With dead ends: 1612 [2021-10-13 08:00:39,231 INFO L226 Difference]: Without dead ends: 1562 [2021-10-13 08:00:39,236 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3018 ImplicationChecksByTransitivity, 3149.0ms TimeCoverageRelationStatistics Valid=2309, Invalid=7993, Unknown=0, NotChecked=0, Total=10302 [2021-10-13 08:00:39,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2021-10-13 08:00:39,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 295. [2021-10-13 08:00:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 293 states have (on average 1.5972696245733788) internal successors, (468), 294 states have internal predecessors, (468), 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) [2021-10-13 08:00:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 468 transitions. [2021-10-13 08:00:39,300 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 468 transitions. Word has length 49 [2021-10-13 08:00:39,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:39,301 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 468 transitions. [2021-10-13 08:00:39,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 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) [2021-10-13 08:00:39,301 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 468 transitions. [2021-10-13 08:00:39,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 08:00:39,304 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:39,304 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:39,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:39,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:39,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:39,718 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:39,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:39,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1932642042, now seen corresponding path program 1 times [2021-10-13 08:00:39,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:39,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513037896] [2021-10-13 08:00:39,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:39,719 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:39,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:39,720 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:39,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 08:00:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:40,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:00:40,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:40,228 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:40,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:40,414 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:40,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513037896] [2021-10-13 08:00:40,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513037896] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:00:40,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1488844832] [2021-10-13 08:00:40,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:40,415 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:40,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:00:40,417 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:00:40,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-13 08:00:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:40,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 08:00:40,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 08:00:41,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 08:00:41,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1488844832] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:41,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:00:41,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5, 5] total 12 [2021-10-13 08:00:41,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851591461] [2021-10-13 08:00:41,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 08:00:41,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:41,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 08:00:41,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-10-13 08:00:41,309 INFO L87 Difference]: Start difference. First operand 295 states and 468 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2021-10-13 08:00:41,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:41,499 INFO L93 Difference]: Finished difference Result 478 states and 721 transitions. [2021-10-13 08:00:41,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 08:00:41,506 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 50 [2021-10-13 08:00:41,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:41,511 INFO L225 Difference]: With dead ends: 478 [2021-10-13 08:00:41,511 INFO L226 Difference]: Without dead ends: 344 [2021-10-13 08:00:41,514 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 170.2ms TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-10-13 08:00:41,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-10-13 08:00:41,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 282. [2021-10-13 08:00:41,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 280 states have (on average 1.5964285714285715) internal successors, (447), 281 states have internal predecessors, (447), 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) [2021-10-13 08:00:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 447 transitions. [2021-10-13 08:00:41,564 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 447 transitions. Word has length 50 [2021-10-13 08:00:41,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:41,565 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 447 transitions. [2021-10-13 08:00:41,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2021-10-13 08:00:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 447 transitions. [2021-10-13 08:00:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 08:00:41,566 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:41,570 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:41,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:41,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:41,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:41,993 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:41,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:41,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1701439479, now seen corresponding path program 1 times [2021-10-13 08:00:41,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:41,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555298305] [2021-10-13 08:00:41,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:41,994 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:41,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:41,995 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:42,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 08:00:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:42,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:00:42,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:42,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:42,734 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:42,734 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:42,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555298305] [2021-10-13 08:00:42,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555298305] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:00:42,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [260092417] [2021-10-13 08:00:42,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:42,735 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:42,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:00:42,737 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:00:42,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-13 08:00:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:43,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 08:00:43,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 08:00:43,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:43,666 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 08:00:43,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [260092417] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:43,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:00:43,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 11 [2021-10-13 08:00:43,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679145473] [2021-10-13 08:00:43,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 08:00:43,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:43,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 08:00:43,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-13 08:00:43,669 INFO L87 Difference]: Start difference. First operand 282 states and 447 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-10-13 08:00:43,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:43,891 INFO L93 Difference]: Finished difference Result 681 states and 1035 transitions. [2021-10-13 08:00:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 08:00:43,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 50 [2021-10-13 08:00:43,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:43,896 INFO L225 Difference]: With dead ends: 681 [2021-10-13 08:00:43,896 INFO L226 Difference]: Without dead ends: 561 [2021-10-13 08:00:43,897 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 139.9ms TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-13 08:00:43,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2021-10-13 08:00:43,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 467. [2021-10-13 08:00:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 465 states have (on average 1.5763440860215054) internal successors, (733), 466 states have internal predecessors, (733), 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) [2021-10-13 08:00:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 733 transitions. [2021-10-13 08:00:43,975 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 733 transitions. Word has length 50 [2021-10-13 08:00:43,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:43,975 INFO L470 AbstractCegarLoop]: Abstraction has 467 states and 733 transitions. [2021-10-13 08:00:43,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-10-13 08:00:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 733 transitions. [2021-10-13 08:00:43,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-13 08:00:43,977 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:43,977 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:43,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:44,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2021-10-13 08:00:44,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:44,397 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:44,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:44,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1224175828, now seen corresponding path program 1 times [2021-10-13 08:00:44,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:44,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317173544] [2021-10-13 08:00:44,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:44,398 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:44,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:44,399 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:44,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 08:00:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:44,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:00:44,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:44,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:45,159 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:45,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317173544] [2021-10-13 08:00:45,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317173544] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:00:45,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [781797103] [2021-10-13 08:00:45,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:45,159 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:45,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:00:45,160 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:00:45,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-13 08:00:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:45,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:00:45,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:45,911 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 08:00:45,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:46,030 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 08:00:46,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [781797103] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:46,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:00:46,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 10 [2021-10-13 08:00:46,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33771318] [2021-10-13 08:00:46,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:00:46,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:46,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:00:46,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-13 08:00:46,032 INFO L87 Difference]: Start difference. First operand 467 states and 733 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-10-13 08:00:46,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:46,122 INFO L93 Difference]: Finished difference Result 558 states and 849 transitions. [2021-10-13 08:00:46,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:00:46,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-13 08:00:46,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:46,126 INFO L225 Difference]: With dead ends: 558 [2021-10-13 08:00:46,126 INFO L226 Difference]: Without dead ends: 374 [2021-10-13 08:00:46,127 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 85.9ms TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-10-13 08:00:46,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-10-13 08:00:46,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 339. [2021-10-13 08:00:46,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 337 states have (on average 1.6083086053412463) internal successors, (542), 338 states have internal predecessors, (542), 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) [2021-10-13 08:00:46,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 542 transitions. [2021-10-13 08:00:46,171 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 542 transitions. Word has length 52 [2021-10-13 08:00:46,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:46,172 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 542 transitions. [2021-10-13 08:00:46,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-10-13 08:00:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 542 transitions. [2021-10-13 08:00:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-13 08:00:46,173 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:46,174 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:46,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:46,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:46,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:46,588 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:46,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:46,589 INFO L82 PathProgramCache]: Analyzing trace with hash -944544913, now seen corresponding path program 1 times [2021-10-13 08:00:46,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:46,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132889750] [2021-10-13 08:00:46,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:46,590 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:46,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:46,591 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:46,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 08:00:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:47,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:00:47,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:47,262 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 08:00:47,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:47,412 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 08:00:47,412 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:47,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132889750] [2021-10-13 08:00:47,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132889750] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:47,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:47,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 08:00:47,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310355884] [2021-10-13 08:00:47,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:00:47,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:47,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:00:47,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:00:47,414 INFO L87 Difference]: Start difference. First operand 339 states and 542 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:47,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:47,502 INFO L93 Difference]: Finished difference Result 911 states and 1458 transitions. [2021-10-13 08:00:47,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:00:47,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-13 08:00:47,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:47,507 INFO L225 Difference]: With dead ends: 911 [2021-10-13 08:00:47,508 INFO L226 Difference]: Without dead ends: 598 [2021-10-13 08:00:47,509 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:00:47,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2021-10-13 08:00:47,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 453. [2021-10-13 08:00:47,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 451 states have (on average 1.6541019955654102) internal successors, (746), 452 states have internal predecessors, (746), 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) [2021-10-13 08:00:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 746 transitions. [2021-10-13 08:00:47,564 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 746 transitions. Word has length 57 [2021-10-13 08:00:47,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:47,565 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 746 transitions. [2021-10-13 08:00:47,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:47,566 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 746 transitions. [2021-10-13 08:00:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 08:00:47,567 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:47,567 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:47,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:47,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:47,782 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:47,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:47,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1173566898, now seen corresponding path program 1 times [2021-10-13 08:00:47,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:47,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271055726] [2021-10-13 08:00:47,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:47,784 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:47,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:47,785 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:47,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 08:00:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:48,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:00:48,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 08:00:48,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 08:00:48,527 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:48,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271055726] [2021-10-13 08:00:48,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271055726] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:48,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:48,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 08:00:48,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833139137] [2021-10-13 08:00:48,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:00:48,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:48,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:00:48,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:00:48,529 INFO L87 Difference]: Start difference. First operand 453 states and 746 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2021-10-13 08:00:48,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:48,618 INFO L93 Difference]: Finished difference Result 855 states and 1346 transitions. [2021-10-13 08:00:48,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:00:48,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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 58 [2021-10-13 08:00:48,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:48,622 INFO L225 Difference]: With dead ends: 855 [2021-10-13 08:00:48,622 INFO L226 Difference]: Without dead ends: 569 [2021-10-13 08:00:48,623 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:00:48,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-10-13 08:00:48,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 424. [2021-10-13 08:00:48,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 422 states have (on average 1.6350710900473933) internal successors, (690), 423 states have internal predecessors, (690), 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) [2021-10-13 08:00:48,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 690 transitions. [2021-10-13 08:00:48,672 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 690 transitions. Word has length 58 [2021-10-13 08:00:48,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:48,672 INFO L470 AbstractCegarLoop]: Abstraction has 424 states and 690 transitions. [2021-10-13 08:00:48,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2021-10-13 08:00:48,673 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 690 transitions. [2021-10-13 08:00:48,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 08:00:48,674 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:48,674 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:48,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:48,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:48,888 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:48,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:48,889 INFO L82 PathProgramCache]: Analyzing trace with hash 328528683, now seen corresponding path program 1 times [2021-10-13 08:00:48,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:48,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846798706] [2021-10-13 08:00:48,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:48,889 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:48,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:48,890 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:48,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 08:00:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:49,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:00:49,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:49,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 08:00:49,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:49,668 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 08:00:49,669 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:49,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846798706] [2021-10-13 08:00:49,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846798706] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:49,669 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:49,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 08:00:49,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119727390] [2021-10-13 08:00:49,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:00:49,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:49,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:00:49,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:00:49,671 INFO L87 Difference]: Start difference. First operand 424 states and 690 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2021-10-13 08:00:49,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:49,778 INFO L93 Difference]: Finished difference Result 1181 states and 1940 transitions. [2021-10-13 08:00:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:00:49,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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 58 [2021-10-13 08:00:49,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:49,784 INFO L225 Difference]: With dead ends: 1181 [2021-10-13 08:00:49,784 INFO L226 Difference]: Without dead ends: 787 [2021-10-13 08:00:49,786 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:00:49,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2021-10-13 08:00:49,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 642. [2021-10-13 08:00:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 640 states have (on average 1.6859375) internal successors, (1079), 641 states have internal predecessors, (1079), 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) [2021-10-13 08:00:49,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1079 transitions. [2021-10-13 08:00:49,863 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1079 transitions. Word has length 58 [2021-10-13 08:00:49,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:49,863 INFO L470 AbstractCegarLoop]: Abstraction has 642 states and 1079 transitions. [2021-10-13 08:00:49,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2021-10-13 08:00:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1079 transitions. [2021-10-13 08:00:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-13 08:00:49,865 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:49,866 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:49,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:50,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:50,083 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:50,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:50,083 INFO L82 PathProgramCache]: Analyzing trace with hash 87613521, now seen corresponding path program 1 times [2021-10-13 08:00:50,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:50,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900105757] [2021-10-13 08:00:50,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:50,084 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:50,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:50,086 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:50,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-13 08:00:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:50,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:00:50,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:50,765 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 08:00:50,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 08:00:50,902 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:50,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900105757] [2021-10-13 08:00:50,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [900105757] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:50,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:50,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 08:00:50,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184499638] [2021-10-13 08:00:50,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:00:50,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:50,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:00:50,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:00:50,904 INFO L87 Difference]: Start difference. First operand 642 states and 1079 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:51,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:51,055 INFO L93 Difference]: Finished difference Result 1821 states and 3085 transitions. [2021-10-13 08:00:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:00:51,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-10-13 08:00:51,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:51,063 INFO L225 Difference]: With dead ends: 1821 [2021-10-13 08:00:51,063 INFO L226 Difference]: Without dead ends: 1213 [2021-10-13 08:00:51,065 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:00:51,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2021-10-13 08:00:51,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1068. [2021-10-13 08:00:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1066 states have (on average 1.7185741088180113) internal successors, (1832), 1067 states have internal predecessors, (1832), 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) [2021-10-13 08:00:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1832 transitions. [2021-10-13 08:00:51,175 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1832 transitions. Word has length 59 [2021-10-13 08:00:51,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:51,175 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1832 transitions. [2021-10-13 08:00:51,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:51,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1832 transitions. [2021-10-13 08:00:51,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-13 08:00:51,191 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:51,191 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:51,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:51,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:51,405 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:51,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:51,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1318592951, now seen corresponding path program 1 times [2021-10-13 08:00:51,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:51,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855135738] [2021-10-13 08:00:51,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:51,406 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:51,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:51,407 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:51,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-13 08:00:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:51,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:00:51,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 08:00:52,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 08:00:52,212 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:52,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855135738] [2021-10-13 08:00:52,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855135738] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:52,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:52,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 08:00:52,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164394437] [2021-10-13 08:00:52,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:00:52,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:52,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:00:52,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:00:52,214 INFO L87 Difference]: Start difference. First operand 1068 states and 1832 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2021-10-13 08:00:52,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:52,419 INFO L93 Difference]: Finished difference Result 3077 states and 5306 transitions. [2021-10-13 08:00:52,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:00:52,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 60 [2021-10-13 08:00:52,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:52,432 INFO L225 Difference]: With dead ends: 3077 [2021-10-13 08:00:52,432 INFO L226 Difference]: Without dead ends: 2047 [2021-10-13 08:00:52,434 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:00:52,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2021-10-13 08:00:52,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 1902. [2021-10-13 08:00:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1900 states have (on average 1.7310526315789474) internal successors, (3289), 1901 states have internal predecessors, (3289), 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) [2021-10-13 08:00:52,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 3289 transitions. [2021-10-13 08:00:52,628 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 3289 transitions. Word has length 60 [2021-10-13 08:00:52,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:52,629 INFO L470 AbstractCegarLoop]: Abstraction has 1902 states and 3289 transitions. [2021-10-13 08:00:52,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2021-10-13 08:00:52,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3289 transitions. [2021-10-13 08:00:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-13 08:00:52,633 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:52,633 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:52,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:52,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:52,847 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:52,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:52,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1559369011, now seen corresponding path program 1 times [2021-10-13 08:00:52,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:52,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845037535] [2021-10-13 08:00:52,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:52,848 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:52,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:52,849 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:52,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-13 08:00:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:53,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:00:53,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:53,559 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:53,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:53,783 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:53,784 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:53,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845037535] [2021-10-13 08:00:53,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1845037535] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:00:53,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [190262682] [2021-10-13 08:00:53,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:53,784 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:53,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:00:53,785 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:00:53,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-13 08:00:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:54,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 08:00:54,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 08:00:54,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:54,844 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 08:00:54,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [190262682] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:54,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:00:54,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [5, 5] total 13 [2021-10-13 08:00:54,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252200643] [2021-10-13 08:00:54,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 08:00:54,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:54,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 08:00:54,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-13 08:00:54,847 INFO L87 Difference]: Start difference. First operand 1902 states and 3289 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-10-13 08:00:55,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:55,057 INFO L93 Difference]: Finished difference Result 1933 states and 3331 transitions. [2021-10-13 08:00:55,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 08:00:55,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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 61 [2021-10-13 08:00:55,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:55,059 INFO L225 Difference]: With dead ends: 1933 [2021-10-13 08:00:55,059 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 08:00:55,064 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 139.8ms TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-10-13 08:00:55,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 08:00:55,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 08:00:55,065 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) [2021-10-13 08:00:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 08:00:55,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-10-13 08:00:55,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:55,066 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 08:00:55,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-10-13 08:00:55,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 08:00:55,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 08:00:55,069 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:00:55,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:00:55,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:55,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:55,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:55,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 08:00:55,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:55,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:55,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:55,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:55,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:56,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:56,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:56,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:56,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:56,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:56,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:56,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:56,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:56,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:56,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:57,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:58,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:58,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:58,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:58,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:58,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:58,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:58,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:58,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:58,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:59,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:01:07,792 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2021-10-13 08:01:07,793 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-10-13 08:01:07,793 INFO L853 garLoopResultBuilder]: At program point L498-2(lines 491 506) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,793 INFO L857 garLoopResultBuilder]: For program point L498-3(lines 498 502) no Hoare annotation was computed. [2021-10-13 08:01:07,793 INFO L853 garLoopResultBuilder]: At program point L498-5(lines 491 506) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,794 INFO L857 garLoopResultBuilder]: For program point L498-6(lines 498 502) no Hoare annotation was computed. [2021-10-13 08:01:07,794 INFO L853 garLoopResultBuilder]: At program point L498-8(lines 491 506) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse4 .cse5))) [2021-10-13 08:01:07,794 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 540) no Hoare annotation was computed. [2021-10-13 08:01:07,794 INFO L857 garLoopResultBuilder]: For program point L532-2(lines 532 540) no Hoare annotation was computed. [2021-10-13 08:01:07,794 INFO L857 garLoopResultBuilder]: For program point L532-4(lines 532 540) no Hoare annotation was computed. [2021-10-13 08:01:07,794 INFO L857 garLoopResultBuilder]: For program point L2184(lines 2184 2200) no Hoare annotation was computed. [2021-10-13 08:01:07,795 INFO L857 garLoopResultBuilder]: For program point L2184-1(lines 2184 2200) no Hoare annotation was computed. [2021-10-13 08:01:07,795 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 372) no Hoare annotation was computed. [2021-10-13 08:01:07,795 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 339) no Hoare annotation was computed. [2021-10-13 08:01:07,795 INFO L853 garLoopResultBuilder]: At program point L368-1(lines 243 386) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,795 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2021-10-13 08:01:07,795 INFO L853 garLoopResultBuilder]: At program point L535-2(lines 528 543) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,796 INFO L857 garLoopResultBuilder]: For program point L535-3(lines 535 539) no Hoare annotation was computed. [2021-10-13 08:01:07,796 INFO L853 garLoopResultBuilder]: At program point L535-5(lines 528 543) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse7 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-10-13 08:01:07,796 INFO L857 garLoopResultBuilder]: For program point L535-6(lines 535 539) no Hoare annotation was computed. [2021-10-13 08:01:07,796 INFO L853 garLoopResultBuilder]: At program point L535-8(lines 528 543) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,796 INFO L853 garLoopResultBuilder]: At program point L305(lines 295 381) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,797 INFO L853 garLoopResultBuilder]: At program point L272(lines 262 384) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,797 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 180) no Hoare annotation was computed. [2021-10-13 08:01:07,797 INFO L857 garLoopResultBuilder]: For program point L2188(lines 2188 2199) no Hoare annotation was computed. [2021-10-13 08:01:07,797 INFO L860 garLoopResultBuilder]: At program point L173-1(lines 173 180) the Hoare annotation is: true [2021-10-13 08:01:07,797 INFO L857 garLoopResultBuilder]: For program point L2188-1(lines 2188 2199) no Hoare annotation was computed. [2021-10-13 08:01:07,797 INFO L857 garLoopResultBuilder]: For program point L2255(lines 2255 2267) no Hoare annotation was computed. [2021-10-13 08:01:07,797 INFO L857 garLoopResultBuilder]: For program point L2255-2(lines 2255 2267) no Hoare annotation was computed. [2021-10-13 08:01:07,798 INFO L857 garLoopResultBuilder]: For program point L2255-4(lines 2255 2267) no Hoare annotation was computed. [2021-10-13 08:01:07,798 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 450) no Hoare annotation was computed. [2021-10-13 08:01:07,798 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 439 450) no Hoare annotation was computed. [2021-10-13 08:01:07,798 INFO L853 garLoopResultBuilder]: At program point L341(lines 331 378) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,798 INFO L857 garLoopResultBuilder]: For program point L2258(lines 2258 2266) no Hoare annotation was computed. [2021-10-13 08:01:07,798 INFO L857 garLoopResultBuilder]: For program point L2258-2(lines 2258 2266) no Hoare annotation was computed. [2021-10-13 08:01:07,799 INFO L857 garLoopResultBuilder]: For program point L2192(lines 2192 2198) no Hoare annotation was computed. [2021-10-13 08:01:07,799 INFO L857 garLoopResultBuilder]: For program point L2258-4(lines 2258 2266) no Hoare annotation was computed. [2021-10-13 08:01:07,799 INFO L857 garLoopResultBuilder]: For program point L2192-1(lines 2192 2198) no Hoare annotation was computed. [2021-10-13 08:01:07,799 INFO L857 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2021-10-13 08:01:07,799 INFO L853 garLoopResultBuilder]: At program point L2391(lines 2386 2394) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse5 .cse6))) [2021-10-13 08:01:07,799 INFO L857 garLoopResultBuilder]: For program point L277(lines 277 281) no Hoare annotation was computed. [2021-10-13 08:01:07,800 INFO L857 garLoopResultBuilder]: For program point L244(lines 243 386) no Hoare annotation was computed. [2021-10-13 08:01:07,800 INFO L857 garLoopResultBuilder]: For program point L476(lines 476 487) no Hoare annotation was computed. [2021-10-13 08:01:07,800 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 449) no Hoare annotation was computed. [2021-10-13 08:01:07,800 INFO L857 garLoopResultBuilder]: For program point L476-1(lines 476 487) no Hoare annotation was computed. [2021-10-13 08:01:07,800 INFO L857 garLoopResultBuilder]: For program point L443-1(lines 443 449) no Hoare annotation was computed. [2021-10-13 08:01:07,800 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 249) no Hoare annotation was computed. [2021-10-13 08:01:07,801 INFO L857 garLoopResultBuilder]: For program point L2261(lines 2261 2265) no Hoare annotation was computed. [2021-10-13 08:01:07,801 INFO L857 garLoopResultBuilder]: For program point L2261-3(lines 2261 2265) no Hoare annotation was computed. [2021-10-13 08:01:07,801 INFO L853 garLoopResultBuilder]: At program point L2261-2(lines 1 2541) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (not (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-10-13 08:01:07,801 INFO L853 garLoopResultBuilder]: At program point L2261-5(lines 1 2541) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv2 32) ~rjh~0) (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) [2021-10-13 08:01:07,801 INFO L857 garLoopResultBuilder]: For program point L2261-6(lines 2261 2265) no Hoare annotation was computed. [2021-10-13 08:01:07,801 INFO L853 garLoopResultBuilder]: At program point L2261-8(lines 1 2541) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,802 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 350) no Hoare annotation was computed. [2021-10-13 08:01:07,802 INFO L860 garLoopResultBuilder]: At program point L181(lines 163 183) the Hoare annotation is: true [2021-10-13 08:01:07,802 INFO L853 garLoopResultBuilder]: At program point L2197-1(lines 2180 2203) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-13 08:01:07,802 INFO L853 garLoopResultBuilder]: At program point L2197(lines 2180 2203) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,802 INFO L857 garLoopResultBuilder]: For program point L513(lines 513 524) no Hoare annotation was computed. [2021-10-13 08:01:07,803 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 486) no Hoare annotation was computed. [2021-10-13 08:01:07,803 INFO L857 garLoopResultBuilder]: For program point L513-1(lines 513 524) no Hoare annotation was computed. [2021-10-13 08:01:07,803 INFO L857 garLoopResultBuilder]: For program point L513-2(lines 513 524) no Hoare annotation was computed. [2021-10-13 08:01:07,803 INFO L857 garLoopResultBuilder]: For program point L480-1(lines 480 486) no Hoare annotation was computed. [2021-10-13 08:01:07,803 INFO L857 garLoopResultBuilder]: For program point L513-3(lines 513 524) no Hoare annotation was computed. [2021-10-13 08:01:07,803 INFO L857 garLoopResultBuilder]: For program point L2231-1(lines 2231 2247) no Hoare annotation was computed. [2021-10-13 08:01:07,803 INFO L857 garLoopResultBuilder]: For program point L2231(lines 2231 2247) no Hoare annotation was computed. [2021-10-13 08:01:07,804 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 125) no Hoare annotation was computed. [2021-10-13 08:01:07,804 INFO L853 garLoopResultBuilder]: At program point L448(lines 435 453) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse5 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse6 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse7 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse8 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse9 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-13 08:01:07,804 INFO L860 garLoopResultBuilder]: At program point L448-1(lines 435 453) the Hoare annotation is: true [2021-10-13 08:01:07,804 INFO L853 garLoopResultBuilder]: At program point L283(lines 273 383) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,804 INFO L853 garLoopResultBuilder]: At program point L2530(lines 1 2541) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-10-13 08:01:07,804 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 08:01:07,805 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 385) no Hoare annotation was computed. [2021-10-13 08:01:07,805 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 523) no Hoare annotation was computed. [2021-10-13 08:01:07,805 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2021-10-13 08:01:07,805 INFO L857 garLoopResultBuilder]: For program point L517-2(lines 517 523) no Hoare annotation was computed. [2021-10-13 08:01:07,805 INFO L857 garLoopResultBuilder]: For program point L517-3(lines 517 523) no Hoare annotation was computed. [2021-10-13 08:01:07,805 INFO L853 garLoopResultBuilder]: At program point L2400(lines 2395 2403) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse5 .cse6))) [2021-10-13 08:01:07,806 INFO L853 garLoopResultBuilder]: At program point L352(lines 342 377) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,806 INFO L853 garLoopResultBuilder]: At program point L319(lines 306 380) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,806 INFO L857 garLoopResultBuilder]: For program point L2235-1(lines 2235 2246) no Hoare annotation was computed. [2021-10-13 08:01:07,806 INFO L857 garLoopResultBuilder]: For program point L2235(lines 2235 2246) no Hoare annotation was computed. [2021-10-13 08:01:07,806 INFO L853 garLoopResultBuilder]: At program point L485(lines 472 490) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse5 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse6 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse7 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse8 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse9 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-13 08:01:07,808 INFO L860 garLoopResultBuilder]: At program point L485-1(lines 472 490) the Hoare annotation is: true [2021-10-13 08:01:07,808 INFO L853 garLoopResultBuilder]: At program point L387(lines 242 388) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,808 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 292) no Hoare annotation was computed. [2021-10-13 08:01:07,808 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 259) no Hoare annotation was computed. [2021-10-13 08:01:07,808 INFO L853 garLoopResultBuilder]: At program point L2337-1(lines 1 2541) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse5 .cse6))) [2021-10-13 08:01:07,808 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 08:01:07,809 INFO L857 garLoopResultBuilder]: For program point L2337(lines 2337 2344) no Hoare annotation was computed. [2021-10-13 08:01:07,809 INFO L857 garLoopResultBuilder]: For program point L2337-2(lines 2337 2344) no Hoare annotation was computed. [2021-10-13 08:01:07,809 INFO L853 garLoopResultBuilder]: At program point L2503(lines 2492 2506) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,809 INFO L857 garLoopResultBuilder]: For program point L2239-1(lines 2239 2245) no Hoare annotation was computed. [2021-10-13 08:01:07,809 INFO L857 garLoopResultBuilder]: For program point L2239(lines 2239 2245) no Hoare annotation was computed. [2021-10-13 08:01:07,809 INFO L853 garLoopResultBuilder]: At program point L522(lines 509 527) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,810 INFO L853 garLoopResultBuilder]: At program point L522-1(lines 509 527) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse7 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse8 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-10-13 08:01:07,810 INFO L853 garLoopResultBuilder]: At program point L522-2(lines 509 527) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= ULTIMATE.start_incoming_~fwreceiver~0 (_ bv0 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-13 08:01:07,810 INFO L860 garLoopResultBuilder]: At program point L522-3(lines 509 527) the Hoare annotation is: true [2021-10-13 08:01:07,810 INFO L860 garLoopResultBuilder]: At program point L2471-1(lines 2446 2473) the Hoare annotation is: true [2021-10-13 08:01:07,810 INFO L853 garLoopResultBuilder]: At program point L2471(lines 2446 2473) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse7 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse8 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-10-13 08:01:07,811 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-10-13 08:01:07,811 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 328) no Hoare annotation was computed. [2021-10-13 08:01:07,811 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1189) no Hoare annotation was computed. [2021-10-13 08:01:07,811 INFO L857 garLoopResultBuilder]: For program point L1183-2(lines 1183 1189) no Hoare annotation was computed. [2021-10-13 08:01:07,811 INFO L853 garLoopResultBuilder]: At program point L2538(lines 2533 2541) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-10-13 08:01:07,811 INFO L857 garLoopResultBuilder]: For program point L2208(lines 2208 2220) no Hoare annotation was computed. [2021-10-13 08:01:07,812 INFO L853 garLoopResultBuilder]: At program point L160(lines 140 162) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,812 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 08:01:07,812 INFO L853 garLoopResultBuilder]: At program point L294(lines 284 382) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,812 INFO L853 garLoopResultBuilder]: At program point L261(lines 251 385) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,812 INFO L853 garLoopResultBuilder]: At program point L2409(lines 2404 2412) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse5 .cse6))) [2021-10-13 08:01:07,812 INFO L853 garLoopResultBuilder]: At program point L2244(lines 2227 2250) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,812 INFO L857 garLoopResultBuilder]: For program point L2211(lines 2211 2219) no Hoare annotation was computed. [2021-10-13 08:01:07,812 INFO L853 garLoopResultBuilder]: At program point L2244-1(lines 2227 2250) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse4 .cse5))) [2021-10-13 08:01:07,812 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 08:01:07,812 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2021-10-13 08:01:07,812 INFO L857 garLoopResultBuilder]: For program point L495(lines 495 503) no Hoare annotation was computed. [2021-10-13 08:01:07,813 INFO L857 garLoopResultBuilder]: For program point L495-2(lines 495 503) no Hoare annotation was computed. [2021-10-13 08:01:07,813 INFO L853 garLoopResultBuilder]: At program point L363(lines 353 376) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,813 INFO L857 garLoopResultBuilder]: For program point L495-4(lines 495 503) no Hoare annotation was computed. [2021-10-13 08:01:07,813 INFO L853 garLoopResultBuilder]: At program point L330(lines 320 379) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,813 INFO L857 garLoopResultBuilder]: For program point L2214(lines 2214 2218) no Hoare annotation was computed. [2021-10-13 08:01:07,813 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-13 08:01:07,813 INFO L857 garLoopResultBuilder]: For program point L199-1(line 199) no Hoare annotation was computed. [2021-10-13 08:01:07,813 INFO L853 garLoopResultBuilder]: At program point L2214-2(lines 1 2541) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,813 INFO L853 garLoopResultBuilder]: At program point L2479-1(lines 2474 2482) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse7 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse8 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-10-13 08:01:07,813 INFO L853 garLoopResultBuilder]: At program point L2479(lines 2474 2482) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse5 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse6 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse7 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse8 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-10-13 08:01:07,813 INFO L860 garLoopResultBuilder]: At program point L2479-3(lines 2474 2482) the Hoare annotation is: true [2021-10-13 08:01:07,813 INFO L853 garLoopResultBuilder]: At program point L2479-2(lines 2474 2482) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,813 INFO L857 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-10-13 08:01:07,814 INFO L853 garLoopResultBuilder]: At program point L2314(lines 1 2541) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:01:07,814 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 270) no Hoare annotation was computed. [2021-10-13 08:01:07,814 INFO L853 garLoopResultBuilder]: At program point L200(lines 1175 1192) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse5 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse6 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse7 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse8 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse9 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-13 08:01:07,814 INFO L853 garLoopResultBuilder]: At program point L2314-1(lines 1 2541) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-13 08:01:07,814 INFO L860 garLoopResultBuilder]: At program point L200-1(lines 1175 1192) the Hoare annotation is: true [2021-10-13 08:01:07,818 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:01:07,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:01:07 BoogieIcfgContainer [2021-10-13 08:01:07,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:01:07,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:01:07,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:01:07,868 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:01:07,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:00:25" (3/4) ... [2021-10-13 08:01:07,871 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 08:01:07,895 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-10-13 08:01:07,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-10-13 08:01:07,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 08:01:07,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 08:01:07,902 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:01:07,904 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:01:07,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-10-13 08:01:07,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-10-13 08:01:07,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 2bv32 == rjh) && 2bv32 == handle [2021-10-13 08:01:07,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,937 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,937 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,937 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == \result) && fwreceiver == 0bv32) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,944 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,944 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,944 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((msg == 1bv32 && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,944 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,945 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:01:07,945 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:07,945 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:01:08,038 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:01:08,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:01:08,040 INFO L168 Benchmark]: Toolchain (without parser) took 46694.91 ms. Allocated memory was 62.9 MB in the beginning and 343.9 MB in the end (delta: 281.0 MB). Free memory was 40.0 MB in the beginning and 304.6 MB in the end (delta: -264.6 MB). Peak memory consumption was 219.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:01:08,041 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 42.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:01:08,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1031.96 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 39.9 MB in the beginning and 46.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-13 08:01:08,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.50 ms. Allocated memory is still 83.9 MB. Free memory was 46.5 MB in the beginning and 41.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:01:08,042 INFO L168 Benchmark]: Boogie Preprocessor took 92.30 ms. Allocated memory is still 83.9 MB. Free memory was 41.6 MB in the beginning and 63.0 MB in the end (delta: -21.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:01:08,042 INFO L168 Benchmark]: RCFGBuilder took 2847.76 ms. Allocated memory is still 83.9 MB. Free memory was 63.0 MB in the beginning and 57.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:01:08,043 INFO L168 Benchmark]: TraceAbstraction took 42449.71 ms. Allocated memory was 83.9 MB in the beginning and 343.9 MB in the end (delta: 260.0 MB). Free memory was 57.1 MB in the beginning and 116.8 MB in the end (delta: -59.7 MB). Peak memory consumption was 202.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:01:08,043 INFO L168 Benchmark]: Witness Printer took 171.67 ms. Allocated memory is still 343.9 MB. Free memory was 116.8 MB in the beginning and 304.6 MB in the end (delta: -187.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:01:08,045 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 42.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1031.96 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 39.9 MB in the beginning and 46.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.50 ms. Allocated memory is still 83.9 MB. Free memory was 46.5 MB in the beginning and 41.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.30 ms. Allocated memory is still 83.9 MB. Free memory was 41.6 MB in the beginning and 63.0 MB in the end (delta: -21.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2847.76 ms. Allocated memory is still 83.9 MB. Free memory was 63.0 MB in the beginning and 57.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 42449.71 ms. Allocated memory was 83.9 MB in the beginning and 343.9 MB in the end (delta: 260.0 MB). Free memory was 57.1 MB in the beginning and 116.8 MB in the end (delta: -59.7 MB). Peak memory consumption was 202.2 MB. Max. memory is 16.1 GB. * Witness Printer took 171.67 ms. Allocated memory is still 343.9 MB. Free memory was 116.8 MB in the beginning and 304.6 MB in the end (delta: -187.9 MB). Peak memory consumption was 13.5 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: 199]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 199]: 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, 134 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 42339.5ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 50.2ms, AutomataDifference: 9268.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 12316.5ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3048 SDtfs, 6139 SDslu, 5245 SDs, 0 SdLazy, 477 SolverSat, 97 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4267.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2068 GetRequests, 1906 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3076 ImplicationChecksByTransitivity, 3742.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1902occurred in iteration=14, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 864.5ms AutomataMinimizationTime, 15 MinimizatonAttempts, 2531 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 937 NumberOfFragments, 1567 HoareAnnotationTreeSize, 54 FomulaSimplifications, 22032035 FormulaSimplificationTreeSizeReduction, 4515.3ms HoareSimplificationTime, 54 FomulaSimplificationsInter, 191437 FormulaSimplificationTreeSizeReductionInter, 7780.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 932.5ms SsaConstructionTime, 2373.0ms SatisfiabilityAnalysisTime, 6452.5ms InterpolantComputationTime, 1008 NumberOfCodeBlocks, 1008 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1976 ConstructedInterpolants, 0 QuantifiedInterpolants, 3066 SizeOfPredicates, 53 NumberOfNonLiveVariables, 8054 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 40 InterpolantComputations, 30 PerfectInterpolantSequences, 180/260 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 2 specifications checked. All of them hold - InvariantResult [Line: 2474]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2404]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (!(__ste_email_to0 == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2474]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2180]: Loop Invariant Derived loop invariant: (((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 2bv32 == rjh) && 2bv32 == handle - InvariantResult [Line: 2386]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 2474]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2474]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: ((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1175]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2492]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == \result) && fwreceiver == 0bv32) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((((((\result == 1bv32 && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: ((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2180]: Loop Invariant Derived loop invariant: (((((msg == 1bv32 && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2533]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2395]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2446]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh RESULT: Ultimate proved your program to be correct! [2021-10-13 08:01:08,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a665a4aa-6eaf-47d9-abf8-f1675aacc481/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...