./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product03.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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/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 13ebf7a23e8d3aae9476b8149d5c7997a6623274 ............................................................................................................................................ 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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/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 13ebf7a23e8d3aae9476b8149d5c7997a6623274 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 07:59:34,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:59:34,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:59:34,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:59:34,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:59:34,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:59:34,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:59:34,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:59:34,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:59:34,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:59:34,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:59:34,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:59:34,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:59:34,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:59:34,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:59:34,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:59:34,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:59:34,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:59:34,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:59:34,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:59:34,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:59:34,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:59:34,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:59:34,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:59:34,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:59:34,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:59:34,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:59:34,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:59:34,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:59:34,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:59:34,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:59:34,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:59:34,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:59:34,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:59:34,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:59:34,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:59:34,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:59:34,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:59:34,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:59:34,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:59:34,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:59:34,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:59:34,284 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:59:34,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:59:34,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:59:34,285 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:59:34,286 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:59:34,286 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:59:34,286 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:59:34,286 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:59:34,286 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:59:34,287 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:59:34,287 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:59:34,287 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:59:34,287 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:59:34,288 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:59:34,288 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:59:34,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:59:34,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:59:34,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:59:34,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:59:34,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:59:34,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:59:34,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:59:34,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:59:34,290 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:59:34,291 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:59:34,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:59:34,291 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:59:34,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:59:34,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:59:34,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:59:34,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:59:34,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:59:34,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:59:34,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:59:34,293 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:59:34,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:59:34,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:59:34,294 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:59:34,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:59:34,294 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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ebf7a23e8d3aae9476b8149d5c7997a6623274 [2021-10-13 07:59:34,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:59:34,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:59:34,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:59:34,561 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:59:34,561 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:59:34,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2021-10-13 07:59:34,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/data/83d43f8ed/0c265a64a2d64adcb3f9e8fac1b9aaaf/FLAG034f89ca4 [2021-10-13 07:59:35,211 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:59:35,212 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2021-10-13 07:59:35,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/data/83d43f8ed/0c265a64a2d64adcb3f9e8fac1b9aaaf/FLAG034f89ca4 [2021-10-13 07:59:35,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/data/83d43f8ed/0c265a64a2d64adcb3f9e8fac1b9aaaf [2021-10-13 07:59:35,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:59:35,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:59:35,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:59:35,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:59:35,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:59:35,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:59:35" (1/1) ... [2021-10-13 07:59:35,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5844206f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:35, skipping insertion in model container [2021-10-13 07:59:35,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:59:35" (1/1) ... [2021-10-13 07:59:35,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:59:35,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:59:35,899 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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19591,19604] [2021-10-13 07:59:36,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:59:36,073 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 07:59:36,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56d28641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:36, skipping insertion in model container [2021-10-13 07:59:36,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:59:36,074 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:59:36,076 INFO L168 Benchmark]: Toolchain (without parser) took 619.43 ms. Allocated memory is still 90.2 MB. Free memory was 46.6 MB in the beginning and 53.6 MB in the end (delta: -6.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:59:36,077 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:59:36,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.86 ms. Allocated memory is still 90.2 MB. Free memory was 46.5 MB in the beginning and 53.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:59:36,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 616.86 ms. Allocated memory is still 90.2 MB. Free memory was 46.5 MB in the beginning and 53.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1071]: 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 07:59:38,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:59:38,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:59:38,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:59:38,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:59:38,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:59:38,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:59:38,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:59:38,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:59:38,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:59:38,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:59:38,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:59:38,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:59:38,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:59:38,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:59:38,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:59:38,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:59:38,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:59:38,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:59:38,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:59:38,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:59:38,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:59:38,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:59:38,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:59:38,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:59:38,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:59:38,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:59:38,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:59:38,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:59:38,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:59:38,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:59:38,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:59:38,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:59:38,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:59:38,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:59:38,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:59:38,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:59:38,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:59:38,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:59:38,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:59:38,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:59:38,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:59:38,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:59:38,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:59:38,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:59:38,456 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:59:38,456 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:59:38,457 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:59:38,457 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:59:38,457 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:59:38,457 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:59:38,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:59:38,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:59:38,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:59:38,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:59:38,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:59:38,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:59:38,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:59:38,462 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:59:38,462 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:59:38,462 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:59:38,462 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:59:38,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:59:38,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:59:38,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:59:38,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:59:38,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:59:38,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:59:38,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:59:38,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:59:38,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:59:38,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:59:38,465 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:59:38,465 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:59:38,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:59:38,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:59:38,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:59:38,467 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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ebf7a23e8d3aae9476b8149d5c7997a6623274 [2021-10-13 07:59:38,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:59:38,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:59:38,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:59:38,904 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:59:38,905 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:59:38,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2021-10-13 07:59:38,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/data/de9910e37/bd5c514684b340cfbda645ba495d5ff1/FLAG5c75374cb [2021-10-13 07:59:39,582 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:59:39,584 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2021-10-13 07:59:39,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/data/de9910e37/bd5c514684b340cfbda645ba495d5ff1/FLAG5c75374cb [2021-10-13 07:59:39,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/data/de9910e37/bd5c514684b340cfbda645ba495d5ff1 [2021-10-13 07:59:39,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:59:39,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:59:39,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:59:39,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:59:39,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:59:39,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:59:39" (1/1) ... [2021-10-13 07:59:39,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58aac84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:39, skipping insertion in model container [2021-10-13 07:59:39,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:59:39" (1/1) ... [2021-10-13 07:59:39,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:59:39,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:59:40,413 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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19591,19604] [2021-10-13 07:59:40,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:59:40,632 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:59:40,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:59:40,687 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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19591,19604] [2021-10-13 07:59:40,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:59:40,782 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:59:40,816 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_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19591,19604] [2021-10-13 07:59:40,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:59:40,923 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:59:40,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40 WrapperNode [2021-10-13 07:59:40,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:59:40,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:59:40,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:59:40,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:59:40,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40" (1/1) ... [2021-10-13 07:59:41,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40" (1/1) ... [2021-10-13 07:59:41,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:59:41,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:59:41,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:59:41,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:59:41,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40" (1/1) ... [2021-10-13 07:59:41,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40" (1/1) ... [2021-10-13 07:59:41,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40" (1/1) ... [2021-10-13 07:59:41,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40" (1/1) ... [2021-10-13 07:59:41,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40" (1/1) ... [2021-10-13 07:59:41,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40" (1/1) ... [2021-10-13 07:59:41,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40" (1/1) ... [2021-10-13 07:59:41,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:59:41,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:59:41,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:59:41,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:59:41,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40" (1/1) ... [2021-10-13 07:59:41,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:59:41,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:59:41,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:59:41,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:59:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-13 07:59:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:59:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:59:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:59:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:59:43,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:59:43,838 INFO L299 CfgBuilder]: Removed 111 assume(true) statements. [2021-10-13 07:59:43,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:59:43 BoogieIcfgContainer [2021-10-13 07:59:43,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:59:43,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:59:43,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:59:43,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:59:43,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:59:39" (1/3) ... [2021-10-13 07:59:43,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4206f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:59:43, skipping insertion in model container [2021-10-13 07:59:43,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:59:40" (2/3) ... [2021-10-13 07:59:43,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4206f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:59:43, skipping insertion in model container [2021-10-13 07:59:43,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:59:43" (3/3) ... [2021-10-13 07:59:43,848 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2021-10-13 07:59:43,852 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:59:43,853 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-13 07:59:43,897 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:59:43,906 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 07:59:43,907 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-13 07:59:43,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 115 states have (on average 1.6695652173913043) internal successors, (192), 117 states have internal predecessors, (192), 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 07:59:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 07:59:43,951 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:59:43,952 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:59:43,952 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:59:43,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:59:43,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1526697543, now seen corresponding path program 1 times [2021-10-13 07:59:43,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:59:43,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136377318] [2021-10-13 07:59:43,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:59:43,975 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:59:43,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:59:43,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:59:43,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:59:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:59:44,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:59:44,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:59:44,497 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 07:59:44,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:59:44,590 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 07:59:44,591 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:59:44,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136377318] [2021-10-13 07:59:44,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [136377318] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:59:44,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:59:44,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:59:44,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552665464] [2021-10-13 07:59:44,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:59:44,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:59:44,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:59:44,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:59:44,621 INFO L87 Difference]: Start difference. First operand has 118 states, 115 states have (on average 1.6695652173913043) internal successors, (192), 117 states have internal predecessors, (192), 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 16.0) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:59:44,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:59:44,670 INFO L93 Difference]: Finished difference Result 189 states and 299 transitions. [2021-10-13 07:59:44,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:59:44,672 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 07:59:44,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:59:44,683 INFO L225 Difference]: With dead ends: 189 [2021-10-13 07:59:44,687 INFO L226 Difference]: Without dead ends: 107 [2021-10-13 07:59:44,692 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:59:44,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-13 07:59:44,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-13 07:59:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 105 states have (on average 1.619047619047619) internal successors, (170), 106 states have internal predecessors, (170), 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 07:59:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 170 transitions. [2021-10-13 07:59:44,748 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 170 transitions. Word has length 32 [2021-10-13 07:59:44,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:59:44,749 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 170 transitions. [2021-10-13 07:59:44,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:59:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2021-10-13 07:59:44,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 07:59:44,754 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:59:44,754 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:59:44,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:59:44,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:59:44,957 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:59:44,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:59:44,958 INFO L82 PathProgramCache]: Analyzing trace with hash -380016211, now seen corresponding path program 1 times [2021-10-13 07:59:44,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:59:44,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569778126] [2021-10-13 07:59:44,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:59:44,959 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:59:44,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:59:44,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:59:44,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:59:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:59:45,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:59:45,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:59:45,445 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 07:59:45,446 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:59:45,537 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 07:59:45,538 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:59:45,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569778126] [2021-10-13 07:59:45,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569778126] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:59:45,539 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:59:45,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:59:45,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061240399] [2021-10-13 07:59:45,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:59:45,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:59:45,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:59:45,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:59:45,546 INFO L87 Difference]: Start difference. First operand 107 states and 170 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 07:59:45,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:59:45,630 INFO L93 Difference]: Finished difference Result 295 states and 469 transitions. [2021-10-13 07:59:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:59:45,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 07:59:45,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:59:45,638 INFO L225 Difference]: With dead ends: 295 [2021-10-13 07:59:45,638 INFO L226 Difference]: Without dead ends: 199 [2021-10-13 07:59:45,640 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:59:45,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-10-13 07:59:45,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 106. [2021-10-13 07:59:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 104 states have (on average 1.5865384615384615) internal successors, (165), 105 states have internal predecessors, (165), 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 07:59:45,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 165 transitions. [2021-10-13 07:59:45,664 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 165 transitions. Word has length 33 [2021-10-13 07:59:45,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:59:45,665 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 165 transitions. [2021-10-13 07:59:45,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 07:59:45,666 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 165 transitions. [2021-10-13 07:59:45,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 07:59:45,673 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:59:45,674 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 07:59:45,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:59:45,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:59:45,887 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:59:45,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:59:45,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1621283904, now seen corresponding path program 1 times [2021-10-13 07:59:45,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:59:45,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371291392] [2021-10-13 07:59:45,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:59:45,890 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:59:45,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:59:45,891 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:59:45,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:59:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:59:46,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:59:46,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:59:46,305 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 07:59:46,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:59:46,396 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 07:59:46,396 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:59:46,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371291392] [2021-10-13 07:59:46,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371291392] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:59:46,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:59:46,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:59:46,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825447391] [2021-10-13 07:59:46,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:59:46,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:59:46,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:59:46,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:59:46,399 INFO L87 Difference]: Start difference. First operand 106 states and 165 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:59:46,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:59:46,442 INFO L93 Difference]: Finished difference Result 205 states and 320 transitions. [2021-10-13 07:59:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:59:46,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 07:59:46,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:59:46,444 INFO L225 Difference]: With dead ends: 205 [2021-10-13 07:59:46,445 INFO L226 Difference]: Without dead ends: 107 [2021-10-13 07:59:46,448 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:59:46,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-13 07:59:46,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2021-10-13 07:59:46,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 104 states have (on average 1.5576923076923077) internal successors, (162), 105 states have internal predecessors, (162), 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 07:59:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 162 transitions. [2021-10-13 07:59:46,472 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 162 transitions. Word has length 35 [2021-10-13 07:59:46,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:59:46,473 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 162 transitions. [2021-10-13 07:59:46,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:59:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 162 transitions. [2021-10-13 07:59:46,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 07:59:46,474 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:59:46,475 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] [2021-10-13 07:59:46,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:59:46,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:59:46,678 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:59:46,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:59:46,679 INFO L82 PathProgramCache]: Analyzing trace with hash 77051259, now seen corresponding path program 1 times [2021-10-13 07:59:46,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:59:46,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402242435] [2021-10-13 07:59:46,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:59:46,680 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:59:46,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:59:46,681 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:59:46,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:59:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:59:46,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:59:46,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:59:47,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:59:47,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:59:47,230 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 07:59:47,230 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:59:47,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402242435] [2021-10-13 07:59:47,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1402242435] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:59:47,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:59:47,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:59:47,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457205559] [2021-10-13 07:59:47,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:59:47,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:59:47,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:59:47,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:59:47,233 INFO L87 Difference]: Start difference. First operand 106 states and 162 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 07:59:47,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:59:47,272 INFO L93 Difference]: Finished difference Result 257 states and 396 transitions. [2021-10-13 07:59:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:59:47,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 36 [2021-10-13 07:59:47,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:59:47,287 INFO L225 Difference]: With dead ends: 257 [2021-10-13 07:59:47,287 INFO L226 Difference]: Without dead ends: 197 [2021-10-13 07:59:47,288 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:59:47,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-13 07:59:47,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 137. [2021-10-13 07:59:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 135 states have (on average 1.614814814814815) internal successors, (218), 136 states have internal predecessors, (218), 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 07:59:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 218 transitions. [2021-10-13 07:59:47,324 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 218 transitions. Word has length 36 [2021-10-13 07:59:47,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:59:47,325 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 218 transitions. [2021-10-13 07:59:47,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 07:59:47,325 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 218 transitions. [2021-10-13 07:59:47,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-13 07:59:47,327 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:59:47,328 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] [2021-10-13 07:59:47,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:59:47,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:59:47,528 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:59:47,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:59:47,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2145452763, now seen corresponding path program 1 times [2021-10-13 07:59:47,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:59:47,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163552528] [2021-10-13 07:59:47,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:59:47,530 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:59:47,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:59:47,531 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:59:47,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:59:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:59:47,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:59:47,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:59:47,998 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 07:59:47,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:59:48,110 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 07:59:48,111 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:59:48,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163552528] [2021-10-13 07:59:48,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163552528] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:59:48,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:59:48,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:59:48,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353263547] [2021-10-13 07:59:48,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:59:48,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:59:48,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:59:48,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:59:48,114 INFO L87 Difference]: Start difference. First operand 137 states and 218 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:59:48,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:59:48,156 INFO L93 Difference]: Finished difference Result 430 states and 694 transitions. [2021-10-13 07:59:48,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:59:48,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-10-13 07:59:48,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:59:48,160 INFO L225 Difference]: With dead ends: 430 [2021-10-13 07:59:48,160 INFO L226 Difference]: Without dead ends: 341 [2021-10-13 07:59:48,161 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:59:48,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-10-13 07:59:48,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 191. [2021-10-13 07:59:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 189 states have (on average 1.687830687830688) internal successors, (319), 190 states have internal predecessors, (319), 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 07:59:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 319 transitions. [2021-10-13 07:59:48,183 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 319 transitions. Word has length 46 [2021-10-13 07:59:48,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:59:48,183 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 319 transitions. [2021-10-13 07:59:48,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:59:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 319 transitions. [2021-10-13 07:59:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-13 07:59:48,186 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:59:48,186 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:59:48,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:59:48,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:59:48,402 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:59:48,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:59:48,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1295322390, now seen corresponding path program 1 times [2021-10-13 07:59:48,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:59:48,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286411608] [2021-10-13 07:59:48,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:59:48,404 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:59:48,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:59:48,404 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:59:48,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:59:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:59:48,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:59:48,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:59:48,887 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 07:59:48,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:59:49,013 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 07:59:49,013 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:59:49,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286411608] [2021-10-13 07:59:49,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286411608] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:59:49,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:59:49,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:59:49,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409236345] [2021-10-13 07:59:49,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:59:49,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:59:49,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:59:49,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:59:49,016 INFO L87 Difference]: Start difference. First operand 191 states and 319 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 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 07:59:49,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:59:49,041 INFO L93 Difference]: Finished difference Result 341 states and 549 transitions. [2021-10-13 07:59:49,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:59:49,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 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 48 [2021-10-13 07:59:49,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:59:49,043 INFO L225 Difference]: With dead ends: 341 [2021-10-13 07:59:49,044 INFO L226 Difference]: Without dead ends: 227 [2021-10-13 07:59:49,044 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 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 07:59:49,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-10-13 07:59:49,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 167. [2021-10-13 07:59:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 165 states have (on average 1.6363636363636365) internal successors, (270), 166 states have internal predecessors, (270), 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 07:59:49,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 270 transitions. [2021-10-13 07:59:49,061 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 270 transitions. Word has length 48 [2021-10-13 07:59:49,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:59:49,062 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 270 transitions. [2021-10-13 07:59:49,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 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 07:59:49,062 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 270 transitions. [2021-10-13 07:59:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-13 07:59:49,064 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:59:49,064 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] [2021-10-13 07:59:49,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:59:49,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:59:49,277 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:59:49,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:59:49,278 INFO L82 PathProgramCache]: Analyzing trace with hash 731085340, now seen corresponding path program 1 times [2021-10-13 07:59:49,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:59:49,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797797851] [2021-10-13 07:59:49,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:59:49,279 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:59:49,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:59:49,280 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:59:49,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:59:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:59:49,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:59:49,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:59:49,785 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 07:59:49,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:59:49,922 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 07:59:49,923 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:59:49,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797797851] [2021-10-13 07:59:49,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797797851] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:59:49,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:59:49,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:59:49,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763525155] [2021-10-13 07:59:49,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:59:49,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:59:49,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:59:49,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:59:49,925 INFO L87 Difference]: Start difference. First operand 167 states and 270 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:59:49,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:59:49,961 INFO L93 Difference]: Finished difference Result 413 states and 680 transitions. [2021-10-13 07:59:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:59:49,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-10-13 07:59:49,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:59:49,964 INFO L225 Difference]: With dead ends: 413 [2021-10-13 07:59:49,964 INFO L226 Difference]: Without dead ends: 276 [2021-10-13 07:59:49,965 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:59:49,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-10-13 07:59:49,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 216. [2021-10-13 07:59:49,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 214 states have (on average 1.6682242990654206) internal successors, (357), 215 states have internal predecessors, (357), 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 07:59:49,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 357 transitions. [2021-10-13 07:59:49,987 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 357 transitions. Word has length 48 [2021-10-13 07:59:49,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:59:49,987 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 357 transitions. [2021-10-13 07:59:49,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:59:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 357 transitions. [2021-10-13 07:59:49,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 07:59:49,988 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:59:49,989 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 07:59:50,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-13 07:59:50,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:59:50,209 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:59:50,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:59:50,209 INFO L82 PathProgramCache]: Analyzing trace with hash -850618424, now seen corresponding path program 1 times [2021-10-13 07:59:50,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:59:50,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582987272] [2021-10-13 07:59:50,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:59:50,210 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:59:50,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:59:50,211 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:59:50,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:59:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:59:50,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:59:50,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:59:50,746 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 07:59:50,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:59:50,910 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 07:59:50,911 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:59:50,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1582987272] [2021-10-13 07:59:50,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1582987272] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:59:50,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:59:50,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:59:50,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339018464] [2021-10-13 07:59:50,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:59:50,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:59:50,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:59:50,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:59:50,916 INFO L87 Difference]: Start difference. First operand 216 states and 357 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 07:59:52,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:59:52,444 INFO L93 Difference]: Finished difference Result 490 states and 814 transitions. [2021-10-13 07:59:52,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:59:52,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 07:59:52,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:59:52,447 INFO L225 Difference]: With dead ends: 490 [2021-10-13 07:59:52,448 INFO L226 Difference]: Without dead ends: 322 [2021-10-13 07:59:52,449 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 35.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:59:52,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-10-13 07:59:52,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 213. [2021-10-13 07:59:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 211 states have (on average 1.6350710900473933) internal successors, (345), 212 states have internal predecessors, (345), 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 07:59:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 345 transitions. [2021-10-13 07:59:52,476 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 345 transitions. Word has length 49 [2021-10-13 07:59:52,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:59:52,477 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 345 transitions. [2021-10-13 07:59:52,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 07:59:52,477 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 345 transitions. [2021-10-13 07:59:52,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 07:59:52,478 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:59:52,478 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 07:59:52,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:59:52,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:59:52,696 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:59:52,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:59:52,696 INFO L82 PathProgramCache]: Analyzing trace with hash 109709024, now seen corresponding path program 1 times [2021-10-13 07:59:52,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:59:52,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [716509267] [2021-10-13 07:59:52,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:59:52,697 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:59:52,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:59:52,698 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:59:52,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:59:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:59:53,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:59:53,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:59:53,268 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 07:59:53,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:59:53,433 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 07:59:53,433 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:59:53,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [716509267] [2021-10-13 07:59:53,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [716509267] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:59:53,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1719711492] [2021-10-13 07:59:53,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:59:53,434 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:59:53,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:59:53,436 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:59:53,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-13 07:59:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:59:53,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-13 07:59:53,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:59:54,200 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 07:59:54,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:59:54,505 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 07:59:54,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1719711492] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:59:54,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:59:54,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [5, 5] total 22 [2021-10-13 07:59:54,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504709461] [2021-10-13 07:59:54,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 07:59:54,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:59:54,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 07:59:54,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-13 07:59:54,507 INFO L87 Difference]: Start difference. First operand 213 states and 345 transitions. Second operand has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 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 08:00:00,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:00,721 INFO L93 Difference]: Finished difference Result 1085 states and 1494 transitions. [2021-10-13 08:00:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-13 08:00:00,723 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 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 08:00:00,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:00,729 INFO L225 Difference]: With dead ends: 1085 [2021-10-13 08:00:00,729 INFO L226 Difference]: Without dead ends: 1046 [2021-10-13 08:00:00,734 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3054 ImplicationChecksByTransitivity, 2715.5ms TimeCoverageRelationStatistics Valid=2309, Invalid=7993, Unknown=0, NotChecked=0, Total=10302 [2021-10-13 08:00:00,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-10-13 08:00:00,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 284. [2021-10-13 08:00:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 282 states have (on average 1.574468085106383) internal successors, (444), 283 states have internal predecessors, (444), 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 08:00:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 444 transitions. [2021-10-13 08:00:00,777 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 444 transitions. Word has length 49 [2021-10-13 08:00:00,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:00,777 INFO L470 AbstractCegarLoop]: Abstraction has 284 states and 444 transitions. [2021-10-13 08:00:00,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 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 08:00:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 444 transitions. [2021-10-13 08:00:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 08:00:00,779 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:00,779 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 08:00:00,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:00,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:01,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:01,183 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:01,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:01,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1943185755, now seen corresponding path program 1 times [2021-10-13 08:00:01,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:01,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [621995349] [2021-10-13 08:00:01,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:01,184 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:01,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:01,185 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:01,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 08:00:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:01,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:00:01,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:01,765 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 08:00:01,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:01,933 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 08:00:01,933 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:01,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [621995349] [2021-10-13 08:00:01,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [621995349] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:00:01,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [480196620] [2021-10-13 08:00:01,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:01,934 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:01,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:00:01,937 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:00:01,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-13 08:00:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:02,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 08:00:02,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:02,668 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 08:00:02,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:02,796 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 08:00:02,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [480196620] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:02,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:00:02,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5, 5] total 12 [2021-10-13 08:00:02,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660180082] [2021-10-13 08:00:02,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 08:00:02,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:02,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 08:00:02,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-10-13 08:00:02,797 INFO L87 Difference]: Start difference. First operand 284 states and 444 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 08:00:02,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:02,930 INFO L93 Difference]: Finished difference Result 386 states and 582 transitions. [2021-10-13 08:00:02,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 08:00:02,931 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 08:00:02,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:02,933 INFO L225 Difference]: With dead ends: 386 [2021-10-13 08:00:02,934 INFO L226 Difference]: Without dead ends: 285 [2021-10-13 08:00:02,934 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 145.9ms TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-10-13 08:00:02,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-10-13 08:00:02,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 271. [2021-10-13 08:00:02,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 269 states have (on average 1.5724907063197027) internal successors, (423), 270 states have internal predecessors, (423), 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 08:00:02,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 423 transitions. [2021-10-13 08:00:02,967 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 423 transitions. Word has length 50 [2021-10-13 08:00:02,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:02,968 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 423 transitions. [2021-10-13 08:00:02,968 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 08:00:02,968 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 423 transitions. [2021-10-13 08:00:02,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 08:00:02,969 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:02,969 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 08:00:02,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:03,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:03,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:03,383 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:03,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:03,383 INFO L82 PathProgramCache]: Analyzing trace with hash 620522782, now seen corresponding path program 1 times [2021-10-13 08:00:03,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:03,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308167718] [2021-10-13 08:00:03,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:03,384 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:03,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:03,388 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:03,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 08:00:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:03,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:00:03,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:03,937 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 08:00:03,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:04,098 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 08:00:04,098 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:04,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308167718] [2021-10-13 08:00:04,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308167718] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:00:04,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1895001208] [2021-10-13 08:00:04,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:04,099 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:04,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:00:04,101 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:00:04,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-13 08:00:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:04,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 08:00:04,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:04,831 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 08:00:04,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:04,992 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 08:00:04,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1895001208] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:04,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:00:04,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 11 [2021-10-13 08:00:04,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578081259] [2021-10-13 08:00:04,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 08:00:04,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:04,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 08:00:04,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-13 08:00:04,994 INFO L87 Difference]: Start difference. First operand 271 states and 423 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 08:00:05,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:05,148 INFO L93 Difference]: Finished difference Result 580 states and 874 transitions. [2021-10-13 08:00:05,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 08:00:05,149 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 08:00:05,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:05,152 INFO L225 Difference]: With dead ends: 580 [2021-10-13 08:00:05,153 INFO L226 Difference]: Without dead ends: 495 [2021-10-13 08:00:05,153 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 97.9ms TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-13 08:00:05,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2021-10-13 08:00:05,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 418. [2021-10-13 08:00:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 416 states have (on average 1.5673076923076923) internal successors, (652), 417 states have internal predecessors, (652), 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 08:00:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 652 transitions. [2021-10-13 08:00:05,207 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 652 transitions. Word has length 50 [2021-10-13 08:00:05,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:05,208 INFO L470 AbstractCegarLoop]: Abstraction has 418 states and 652 transitions. [2021-10-13 08:00:05,208 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 08:00:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 652 transitions. [2021-10-13 08:00:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 08:00:05,209 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:05,209 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] [2021-10-13 08:00:05,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:05,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:05,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:05,614 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:05,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:05,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1172069612, now seen corresponding path program 1 times [2021-10-13 08:00:05,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:00:05,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718608795] [2021-10-13 08:00:05,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:05,615 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:00:05,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:00:05,615 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:00:05,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 08:00:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:06,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 08:00:06,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:06,188 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 08:00:06,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:06,315 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 08:00:06,315 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:00:06,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718608795] [2021-10-13 08:00:06,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718608795] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:00:06,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [264852150] [2021-10-13 08:00:06,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:06,316 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:00:06,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:00:06,320 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:00:06,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-10-13 08:00:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:06,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 08:00:06,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:00:07,050 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 08:00:07,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:00:07,169 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 08:00:07,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [264852150] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:07,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:00:07,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [5, 5] total 13 [2021-10-13 08:00:07,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562080929] [2021-10-13 08:00:07,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 08:00:07,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:00:07,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 08:00:07,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-13 08:00:07,171 INFO L87 Difference]: Start difference. First operand 418 states and 652 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:07,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:07,307 INFO L93 Difference]: Finished difference Result 480 states and 738 transitions. [2021-10-13 08:00:07,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 08:00:07,310 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-13 08:00:07,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:07,310 INFO L225 Difference]: With dead ends: 480 [2021-10-13 08:00:07,310 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 08:00:07,313 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 102.2ms TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-10-13 08:00:07,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 08:00:07,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 08:00:07,314 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 08:00:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 08:00:07,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-10-13 08:00:07,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:07,314 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 08:00:07,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:00:07,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 08:00:07,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 08:00:07,316 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:00:07,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:00:07,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:07,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 08:00:07,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:00:07,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 08:00:07,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:07,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:07,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:08,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:09,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:00:13,547 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1021) no Hoare annotation was computed. [2021-10-13 08:00:13,547 INFO L857 garLoopResultBuilder]: For program point L2447-1(lines 2447 2458) no Hoare annotation was computed. [2021-10-13 08:00:13,547 INFO L857 garLoopResultBuilder]: For program point L2447(lines 2447 2458) no Hoare annotation was computed. [2021-10-13 08:00:13,547 INFO L857 garLoopResultBuilder]: For program point L1985(lines 1985 1997) no Hoare annotation was computed. [2021-10-13 08:00:13,548 INFO L853 garLoopResultBuilder]: At program point L961(lines 956 964) 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 (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-10-13 08:00:13,548 INFO L857 garLoopResultBuilder]: For program point L235(lines 234 377) no Hoare annotation was computed. [2021-10-13 08:00:13,548 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-10-13 08:00:13,548 INFO L857 garLoopResultBuilder]: For program point L1988(lines 1988 1996) no Hoare annotation was computed. [2021-10-13 08:00:13,548 INFO L857 garLoopResultBuilder]: For program point L502(lines 502 513) no Hoare annotation was computed. [2021-10-13 08:00:13,548 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 502 513) no Hoare annotation was computed. [2021-10-13 08:00:13,548 INFO L857 garLoopResultBuilder]: For program point L2451-1(lines 2451 2457) no Hoare annotation was computed. [2021-10-13 08:00:13,548 INFO L857 garLoopResultBuilder]: For program point L2451(lines 2451 2457) no Hoare annotation was computed. [2021-10-13 08:00:13,549 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 341) no Hoare annotation was computed. [2021-10-13 08:00:13,549 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-10-13 08:00:13,549 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 275) no Hoare annotation was computed. [2021-10-13 08:00:13,549 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 905) no Hoare annotation was computed. [2021-10-13 08:00:13,549 INFO L853 garLoopResultBuilder]: At program point L899-1(lines 1 2546) 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 (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-10-13 08:00:13,549 INFO L857 garLoopResultBuilder]: For program point L899-2(lines 899 905) no Hoare annotation was computed. [2021-10-13 08:00:13,549 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 180) no Hoare annotation was computed. [2021-10-13 08:00:13,549 INFO L860 garLoopResultBuilder]: At program point L173-1(lines 173 180) the Hoare annotation is: true [2021-10-13 08:00:13,549 INFO L853 garLoopResultBuilder]: At program point L2519-1(lines 2514 2522) 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 08:00:13,549 INFO L853 garLoopResultBuilder]: At program point L2519(lines 2514 2522) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ 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 08:00:13,550 INFO L857 garLoopResultBuilder]: For program point L1991(lines 1991 1995) no Hoare annotation was computed. [2021-10-13 08:00:13,550 INFO L853 garLoopResultBuilder]: At program point L1991-2(lines 1 2546) the Hoare annotation is: (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:00:13,550 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 550) no Hoare annotation was computed. [2021-10-13 08:00:13,550 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-10-13 08:00:13,550 INFO L857 garLoopResultBuilder]: For program point L539-1(lines 539 550) no Hoare annotation was computed. [2021-10-13 08:00:13,550 INFO L857 garLoopResultBuilder]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2021-10-13 08:00:13,550 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 376) no Hoare annotation was computed. [2021-10-13 08:00:13,550 INFO L853 garLoopResultBuilder]: At program point L2456(lines 2439 2462) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ 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 08:00:13,550 INFO L853 garLoopResultBuilder]: At program point L2456-1(lines 2439 2462) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_getEmailTo_~handle (_ 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 (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-13 08:00:13,551 INFO L853 garLoopResultBuilder]: At program point L970(lines 965 973) 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 (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-10-13 08:00:13,551 INFO L857 garLoopResultBuilder]: For program point L1961(lines 1961 1977) no Hoare annotation was computed. [2021-10-13 08:00:13,551 INFO L857 garLoopResultBuilder]: For program point L1961-1(lines 1961 1977) no Hoare annotation was computed. [2021-10-13 08:00:13,551 INFO L853 garLoopResultBuilder]: At program point L409(lines 1 2546) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (not (= (_ bv1 32) ~rjh~0)) (= ~__ste_client_autoResponse1~0 (_ bv0 32))) [2021-10-13 08:00:13,551 INFO L853 garLoopResultBuilder]: At program point L343(lines 333 368) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-13 08:00:13,551 INFO L853 garLoopResultBuilder]: At program point L310(lines 300 371) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-13 08:00:13,551 INFO L853 garLoopResultBuilder]: At program point L277(lines 267 374) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-13 08:00:13,551 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2021-10-13 08:00:13,552 INFO L857 garLoopResultBuilder]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2021-10-13 08:00:13,552 INFO L853 garLoopResultBuilder]: At program point L378(lines 233 379) 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 08:00:13,552 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 250) no Hoare annotation was computed. [2021-10-13 08:00:13,552 INFO L857 garLoopResultBuilder]: For program point L1006(lines 1006 1012) no Hoare annotation was computed. [2021-10-13 08:00:13,552 INFO L857 garLoopResultBuilder]: For program point L1006-2(lines 1006 1012) no Hoare annotation was computed. [2021-10-13 08:00:13,552 INFO L853 garLoopResultBuilder]: At program point L511(lines 498 516) the Hoare annotation is: (and (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ 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 08:00:13,552 INFO L860 garLoopResultBuilder]: At program point L511-1(lines 498 516) the Hoare annotation is: true [2021-10-13 08:00:13,552 INFO L860 garLoopResultBuilder]: At program point L181(lines 163 183) the Hoare annotation is: true [2021-10-13 08:00:13,552 INFO L857 garLoopResultBuilder]: For program point L1965(lines 1965 1976) no Hoare annotation was computed. [2021-10-13 08:00:13,552 INFO L857 garLoopResultBuilder]: For program point L1965-1(lines 1965 1976) no Hoare annotation was computed. [2021-10-13 08:00:13,553 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 352) no Hoare annotation was computed. [2021-10-13 08:00:13,553 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-10-13 08:00:13,553 INFO L857 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2021-10-13 08:00:13,553 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 125) no Hoare annotation was computed. [2021-10-13 08:00:13,554 INFO L853 garLoopResultBuilder]: At program point L878(lines 1 2546) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= |ULTIMATE.start_getEmailTo_#res| (_ 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) (not (= ULTIMATE.start_incoming_~client (_ bv1 32)))) [2021-10-13 08:00:13,555 INFO L853 garLoopResultBuilder]: At program point L878-1(lines 1 2546) 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|) .cse0 (= |ULTIMATE.start_getClientAutoResponse_#res| (_ bv0 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-13 08:00:13,555 INFO L853 garLoopResultBuilder]: At program point L548(lines 535 553) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= |ULTIMATE.start_getEmailTo_#res| (_ 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 08:00:13,555 INFO L853 garLoopResultBuilder]: At program point L548-1(lines 535 553) 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 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_incoming_~tmp~5 (_ bv0 32)) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) .cse0 (= |ULTIMATE.start_getClientAutoResponse_#res| (_ bv0 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4))) [2021-10-13 08:00:13,555 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 08:00:13,555 INFO L857 garLoopResultBuilder]: For program point L1969(lines 1969 1975) no Hoare annotation was computed. [2021-10-13 08:00:13,555 INFO L857 garLoopResultBuilder]: For program point L1969-1(lines 1969 1975) no Hoare annotation was computed. [2021-10-13 08:00:13,556 INFO L853 garLoopResultBuilder]: At program point L417(lines 412 420) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= (_ bv1 32) ~rjh~0)) (= ~__ste_client_autoResponse1~0 (_ bv0 32))) [2021-10-13 08:00:13,556 INFO L853 garLoopResultBuilder]: At program point L252(lines 242 376) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-13 08:00:13,556 INFO L857 garLoopResultBuilder]: For program point L2467(lines 2467 2479) no Hoare annotation was computed. [2021-10-13 08:00:13,556 INFO L857 garLoopResultBuilder]: For program point L2467-2(lines 2467 2479) no Hoare annotation was computed. [2021-10-13 08:00:13,556 INFO L857 garLoopResultBuilder]: For program point L2467-4(lines 2467 2479) no Hoare annotation was computed. [2021-10-13 08:00:13,556 INFO L853 garLoopResultBuilder]: At program point L354(lines 344 367) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-13 08:00:13,557 INFO L853 garLoopResultBuilder]: At program point L321(lines 311 370) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-13 08:00:13,557 INFO L853 garLoopResultBuilder]: At program point L288(lines 278 373) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-13 08:00:13,557 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 08:00:13,557 INFO L853 garLoopResultBuilder]: At program point L1974(lines 1957 1980) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ 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 08:00:13,557 INFO L853 garLoopResultBuilder]: At program point L1974-1(lines 1957 1980) 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 (= |ULTIMATE.start_getClientAutoResponse_#res| (_ bv0 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-13 08:00:13,557 INFO L857 garLoopResultBuilder]: For program point L521(lines 521 529) no Hoare annotation was computed. [2021-10-13 08:00:13,558 INFO L857 garLoopResultBuilder]: For program point L2470(lines 2470 2478) no Hoare annotation was computed. [2021-10-13 08:00:13,558 INFO L857 garLoopResultBuilder]: For program point L521-2(lines 521 529) no Hoare annotation was computed. [2021-10-13 08:00:13,558 INFO L857 garLoopResultBuilder]: For program point L2470-2(lines 2470 2478) no Hoare annotation was computed. [2021-10-13 08:00:13,558 INFO L857 garLoopResultBuilder]: For program point L521-4(lines 521 529) no Hoare annotation was computed. [2021-10-13 08:00:13,558 INFO L857 garLoopResultBuilder]: For program point L2470-4(lines 2470 2478) no Hoare annotation was computed. [2021-10-13 08:00:13,558 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 264) no Hoare annotation was computed. [2021-10-13 08:00:13,559 INFO L853 garLoopResultBuilder]: At program point L952(lines 947 955) 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 (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-10-13 08:00:13,559 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)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:00:13,559 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 08:00:13,559 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 528) no Hoare annotation was computed. [2021-10-13 08:00:13,559 INFO L853 garLoopResultBuilder]: At program point L524-2(lines 517 532) 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 08:00:13,559 INFO L857 garLoopResultBuilder]: For program point L524-3(lines 524 528) no Hoare annotation was computed. [2021-10-13 08:00:13,559 INFO L857 garLoopResultBuilder]: For program point L2473(lines 2473 2477) no Hoare annotation was computed. [2021-10-13 08:00:13,560 INFO L857 garLoopResultBuilder]: For program point L2473-3(lines 2473 2477) no Hoare annotation was computed. [2021-10-13 08:00:13,560 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2021-10-13 08:00:13,560 INFO L853 garLoopResultBuilder]: At program point L524-5(lines 517 532) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ 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 08:00:13,560 INFO L853 garLoopResultBuilder]: At program point L2473-2(lines 1 2546) 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)) (not (= (_ bv1 32) ~rjh~0)) (= ~__ste_client_autoResponse1~0 (_ bv0 32))) [2021-10-13 08:00:13,560 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2021-10-13 08:00:13,560 INFO L853 garLoopResultBuilder]: At program point L359-1(lines 234 377) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-13 08:00:13,561 INFO L857 garLoopResultBuilder]: For program point L524-6(lines 524 528) no Hoare annotation was computed. [2021-10-13 08:00:13,561 INFO L853 garLoopResultBuilder]: At program point L2473-5(lines 1 2546) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) (= (_ bv2 32) ~rjh~0) (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) [2021-10-13 08:00:13,561 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 297) no Hoare annotation was computed. [2021-10-13 08:00:13,561 INFO L853 garLoopResultBuilder]: At program point L524-8(lines 517 532) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_getEmailTo_~handle (_ 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 (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-13 08:00:13,561 INFO L857 garLoopResultBuilder]: For program point L2473-6(lines 2473 2477) no Hoare annotation was computed. [2021-10-13 08:00:13,561 INFO L853 garLoopResultBuilder]: At program point L2473-8(lines 1 2546) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-13 08:00:13,562 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 566) no Hoare annotation was computed. [2021-10-13 08:00:13,562 INFO L857 garLoopResultBuilder]: For program point L558-2(lines 558 566) no Hoare annotation was computed. [2021-10-13 08:00:13,562 INFO L857 garLoopResultBuilder]: For program point L558-4(lines 558 566) no Hoare annotation was computed. [2021-10-13 08:00:13,562 INFO L857 garLoopResultBuilder]: For program point L1021(line 1021) no Hoare annotation was computed. [2021-10-13 08:00:13,562 INFO L857 garLoopResultBuilder]: For program point L1021-1(line 1021) no Hoare annotation was computed. [2021-10-13 08:00:13,562 INFO L853 garLoopResultBuilder]: At program point L1022(lines 998 1015) the Hoare annotation is: (and (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ 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 08:00:13,562 INFO L860 garLoopResultBuilder]: At program point L1022-1(lines 998 1015) the Hoare annotation is: true [2021-10-13 08:00:13,563 INFO L857 garLoopResultBuilder]: For program point L2443-1(lines 2443 2459) no Hoare annotation was computed. [2021-10-13 08:00:13,563 INFO L857 garLoopResultBuilder]: For program point L2443(lines 2443 2459) no Hoare annotation was computed. [2021-10-13 08:00:13,563 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 08:00:13,563 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1021) no Hoare annotation was computed. [2021-10-13 08:00:13,563 INFO L857 garLoopResultBuilder]: For program point L561(lines 561 565) no Hoare annotation was computed. [2021-10-13 08:00:13,563 INFO L853 garLoopResultBuilder]: At program point L561-2(lines 554 569) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |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 08:00:13,564 INFO L853 garLoopResultBuilder]: At program point L2543(lines 2532 2546) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |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 08:00:13,564 INFO L857 garLoopResultBuilder]: For program point L561-3(lines 561 565) no Hoare annotation was computed. [2021-10-13 08:00:13,564 INFO L853 garLoopResultBuilder]: At program point L561-5(lines 554 569) the Hoare annotation is: (and (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ 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 08:00:13,564 INFO L857 garLoopResultBuilder]: For program point L561-6(lines 561 565) no Hoare annotation was computed. [2021-10-13 08:00:13,564 INFO L860 garLoopResultBuilder]: At program point L561-8(lines 554 569) the Hoare annotation is: true [2021-10-13 08:00:13,565 INFO L853 garLoopResultBuilder]: At program point L332(lines 322 369) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-13 08:00:13,565 INFO L853 garLoopResultBuilder]: At program point L299(lines 289 372) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-13 08:00:13,565 INFO L853 garLoopResultBuilder]: At program point L266(lines 253 375) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-13 08:00:13,569 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:00:13,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:00:13 BoogieIcfgContainer [2021-10-13 08:00:13,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:00:13,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:00:13,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:00:13,608 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:00:13,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:59:43" (3/4) ... [2021-10-13 08:00:13,611 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 08:00:13,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2021-10-13 08:00:13,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2021-10-13 08:00:13,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 08:00:13,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 08:00:13,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:00:13,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:00:13,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 [2021-10-13 08:00:13,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 [2021-10-13 08:00:13,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == rjh) && 2bv32 == handle [2021-10-13 08:00:13,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,670 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 08:00:13,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,671 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,671 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,671 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,672 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && !(client == 1bv32) [2021-10-13 08:00:13,672 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,672 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,674 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1bv32 && \result == 1bv32) && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,674 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1bv32 && \result == 1bv32) && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,674 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-13 08:00:13,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((tmp == 0bv32 && 2bv32 == __ste_email_to0) && 2bv32 == \result) && msg == 1bv32) && \result == 0bv32) && handle == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && msg == 1bv32) && \result == 0bv32) && handle == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((msg == 1bv32 && \result == 0bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-13 08:00:13,676 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 08:00:13,735 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:00:13,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:00:13,737 INFO L168 Benchmark]: Toolchain (without parser) took 33904.91 ms. Allocated memory was 60.8 MB in the beginning and 111.1 MB in the end (delta: 50.3 MB). Free memory was 36.8 MB in the beginning and 59.6 MB in the end (delta: -22.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,737 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory is still 42.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:00:13,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1089.77 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 36.6 MB in the beginning and 36.4 MB in the end (delta: 231.6 kB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.28 ms. Allocated memory is still 73.4 MB. Free memory was 36.4 MB in the beginning and 51.3 MB in the end (delta: -14.9 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,738 INFO L168 Benchmark]: Boogie Preprocessor took 71.66 ms. Allocated memory is still 73.4 MB. Free memory was 51.3 MB in the beginning and 48.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,739 INFO L168 Benchmark]: RCFGBuilder took 2717.09 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 48.0 MB in the beginning and 43.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,739 INFO L168 Benchmark]: TraceAbstraction took 29765.15 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 43.1 MB in the beginning and 73.2 MB in the end (delta: -30.1 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,740 INFO L168 Benchmark]: Witness Printer took 127.88 ms. Allocated memory is still 111.1 MB. Free memory was 73.2 MB in the beginning and 59.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory is still 42.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1089.77 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 36.6 MB in the beginning and 36.4 MB in the end (delta: 231.6 kB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.28 ms. Allocated memory is still 73.4 MB. Free memory was 36.4 MB in the beginning and 51.3 MB in the end (delta: -14.9 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.66 ms. Allocated memory is still 73.4 MB. Free memory was 51.3 MB in the beginning and 48.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2717.09 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 48.0 MB in the beginning and 43.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29765.15 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 43.1 MB in the beginning and 73.2 MB in the end (delta: -30.1 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB. * Witness Printer took 127.88 ms. Allocated memory is still 111.1 MB. Free memory was 73.2 MB in the beginning and 59.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 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: 1021]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1021]: 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, 118 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 29673.1ms, OverallIterations: 12, TraceHistogramMax: 3, EmptinessCheckTime: 41.0ms, AutomataDifference: 8608.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5826.0ms, InitialAbstractionConstructionTime: 26.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2502 SDtfs, 5352 SDslu, 3965 SDs, 0 SdLazy, 384 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5062.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1513 GetRequests, 1359 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3102 ImplicationChecksByTransitivity, 3137.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred in iteration=11, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 343.6ms AutomataMinimizationTime, 12 MinimizatonAttempts, 1386 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 265 NumberOfFragments, 1424 HoareAnnotationTreeSize, 46 FomulaSimplifications, 2471453 FormulaSimplificationTreeSizeReduction, 1881.2ms HoareSimplificationTime, 46 FomulaSimplificationsInter, 8075 FormulaSimplificationTreeSizeReductionInter, 3928.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 809.6ms SsaConstructionTime, 1944.9ms SatisfiabilityAnalysisTime, 4883.2ms InterpolantComputationTime, 727 NumberOfCodeBlocks, 727 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1422 ConstructedInterpolants, 0 QuantifiedInterpolants, 2350 SizeOfPredicates, 51 NumberOfNonLiveVariables, 6309 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 32 InterpolantComputations, 24 PerfectInterpolantSequences, 114/178 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: 498]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1bv32 && \result == 1bv32) && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: (((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 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) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == rjh) && 2bv32 == handle - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((tmp == 0bv32 && 2bv32 == __ste_email_to0) && 2bv32 == \result) && msg == 1bv32) && \result == 0bv32) && handle == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2514]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && msg == 1bv32) && \result == 0bv32) && handle == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2532]: Loop Invariant Derived loop invariant: ((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2514]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && !(client == 1bv32) - InvariantResult [Line: 1957]: Loop Invariant Derived loop invariant: ((((((msg == 1bv32 && \result == 0bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1957]: Loop Invariant Derived loop invariant: ((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (!(__ste_email_to0 == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2439]: Loop Invariant Derived loop invariant: (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2439]: Loop Invariant Derived loop invariant: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1bv32 && \result == 1bv32) && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 08:00:13,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6efd5f-09e2-44f6-98f9-cb7ed56ce43a/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...