./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8 --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 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:51,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:51,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:51,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:51,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:51,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:51,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:51,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:51,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:51,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:51,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:51,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:51,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:51,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:51,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:51,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:51,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:51,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:51,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:51,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:51,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:51,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:51,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:51,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:51,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:51,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:51,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:51,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:51,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:51,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:51,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:51,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:51,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:51,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:51,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:51,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:51,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:51,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:51,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:51,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:51,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:51,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:53:51,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:51,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:51,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:51,468 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:51,468 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:51,469 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:51,469 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:53:51,469 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:51,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:51,476 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:53:51,477 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:53:51,477 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:51,478 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:53:51,478 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:53:51,478 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:53:51,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:51,479 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:51,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:53:51,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:51,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:51,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:51,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:51,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:51,481 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:51,481 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:51,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:51,482 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:51,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:51,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:51,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:51,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:51,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:51,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:51,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:51,486 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:53:51,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:53:51,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:51,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:51,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:51,487 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_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a [2021-11-07 00:53:51,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:51,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:51,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:51,774 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:51,779 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:51,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-11-07 00:53:51,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/data/b26e920d2/6b379a669d9449fc88629547fc4f3c50/FLAG5a7ad58a4 [2021-11-07 00:53:52,434 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:52,434 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-11-07 00:53:52,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/data/b26e920d2/6b379a669d9449fc88629547fc4f3c50/FLAG5a7ad58a4 [2021-11-07 00:53:52,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/data/b26e920d2/6b379a669d9449fc88629547fc4f3c50 [2021-11-07 00:53:52,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:52,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:52,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:52,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:52,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:52,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:52" (1/1) ... [2021-11-07 00:53:52,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@776afbe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:52, skipping insertion in model container [2021-11-07 00:53:52,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:52" (1/1) ... [2021-11-07 00:53:52,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:52,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:53,030 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_bad77146-2f89-4f72-86b6-a44558148f56/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-11-07 00:53:53,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:53,281 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) [2021-11-07 00:53:53,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3962301b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:53, skipping insertion in model container [2021-11-07 00:53:53,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:53,282 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:53:53,284 INFO L168 Benchmark]: Toolchain (without parser) took 591.17 ms. Allocated memory is still 130.0 MB. Free memory was 95.3 MB in the beginning and 94.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:53,285 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 98.6 MB. Free memory is still 52.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:53:53,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.69 ms. Allocated memory is still 130.0 MB. Free memory was 95.0 MB in the beginning and 94.1 MB in the end (delta: 983.6 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:53,287 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 98.6 MB. Free memory is still 52.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 588.69 ms. Allocated memory is still 130.0 MB. Free memory was 95.0 MB in the beginning and 94.1 MB in the end (delta: 983.6 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 844]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8 --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 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:55,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:55,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:55,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:55,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:55,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:55,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:55,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:55,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:55,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:55,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:55,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:55,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:55,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:55,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:55,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:55,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:55,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:55,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:55,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:55,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:55,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:55,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:55,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:55,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:55,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:55,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:55,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:55,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:55,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:55,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:55,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:55,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:55,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:55,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:55,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:55,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:55,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:55,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:55,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:55,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:55,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 00:53:55,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:55,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:55,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:55,621 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:55,622 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:55,622 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:55,622 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:55,622 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:55,622 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:55,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:55,625 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:55,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:55,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:55,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:55,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:55,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:55,626 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:55,626 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:53:55,626 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:53:55,626 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:55,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:55,627 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:55,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:55,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:55,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:53:55,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:55,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:55,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:55,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:55,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:55,629 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:53:55,629 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:53:55,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:55,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:55,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:55,630 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_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a [2021-11-07 00:53:55,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:56,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:56,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:56,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:56,009 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:56,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-11-07 00:53:56,065 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/data/0d36de254/8c42d0c784b7451b857f2d2ae60ccbab/FLAG301987774 [2021-11-07 00:53:56,663 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:56,664 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-11-07 00:53:56,690 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/data/0d36de254/8c42d0c784b7451b857f2d2ae60ccbab/FLAG301987774 [2021-11-07 00:53:56,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/data/0d36de254/8c42d0c784b7451b857f2d2ae60ccbab [2021-11-07 00:53:56,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:56,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:56,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:56,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:56,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:56,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:56" (1/1) ... [2021-11-07 00:53:56,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f31892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:56, skipping insertion in model container [2021-11-07 00:53:56,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:56" (1/1) ... [2021-11-07 00:53:56,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:56,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:57,188 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_bad77146-2f89-4f72-86b6-a44558148f56/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-11-07 00:53:57,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:57,500 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:53:57,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:57,524 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_bad77146-2f89-4f72-86b6-a44558148f56/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-11-07 00:53:57,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:57,667 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:53:57,695 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_bad77146-2f89-4f72-86b6-a44558148f56/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-11-07 00:53:57,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:57,783 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:53:57,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57 WrapperNode [2021-11-07 00:53:57,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:57,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:57,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:53:57,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:53:57,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57" (1/1) ... [2021-11-07 00:53:57,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57" (1/1) ... [2021-11-07 00:53:57,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:57,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:53:57,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:53:57,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:53:57,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57" (1/1) ... [2021-11-07 00:53:57,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57" (1/1) ... [2021-11-07 00:53:57,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57" (1/1) ... [2021-11-07 00:53:57,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57" (1/1) ... [2021-11-07 00:53:57,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57" (1/1) ... [2021-11-07 00:53:58,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57" (1/1) ... [2021-11-07 00:53:58,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57" (1/1) ... [2021-11-07 00:53:58,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:53:58,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:53:58,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:53:58,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:53:58,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57" (1/1) ... [2021-11-07 00:53:58,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:58,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:58,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:53:58,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:53:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-07 00:53:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:53:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:53:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:53:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:54:00,843 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:54:00,844 INFO L299 CfgBuilder]: Removed 127 assume(true) statements. [2021-11-07 00:54:00,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:00 BoogieIcfgContainer [2021-11-07 00:54:00,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:54:00,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:54:00,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:54:00,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:54:00,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:56" (1/3) ... [2021-11-07 00:54:00,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c17961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:00, skipping insertion in model container [2021-11-07 00:54:00,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:57" (2/3) ... [2021-11-07 00:54:00,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c17961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:00, skipping insertion in model container [2021-11-07 00:54:00,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:00" (3/3) ... [2021-11-07 00:54:00,870 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product05.cil.c [2021-11-07 00:54:00,875 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:54:00,876 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-07 00:54:00,965 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:54:00,973 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:54:00,973 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 00:54:00,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 131 states have (on average 1.6488549618320612) internal successors, (216), 133 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:00,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 00:54:00,999 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:01,000 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:01,000 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:01,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:01,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1721357046, now seen corresponding path program 1 times [2021-11-07 00:54:01,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:01,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112895328] [2021-11-07 00:54:01,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:01,026 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:01,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:01,029 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:01,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:54:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:01,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:54:01,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:01,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:01,646 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:01,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112895328] [2021-11-07 00:54:01,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112895328] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:01,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:01,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:54:01,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282816659] [2021-11-07 00:54:01,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:54:01,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:01,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:54:01,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:54:01,678 INFO L87 Difference]: Start difference. First operand has 134 states, 131 states have (on average 1.6488549618320612) internal successors, (216), 133 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:01,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:01,727 INFO L93 Difference]: Finished difference Result 221 states and 347 transitions. [2021-11-07 00:54:01,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:54:01,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 00:54:01,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:01,740 INFO L225 Difference]: With dead ends: 221 [2021-11-07 00:54:01,741 INFO L226 Difference]: Without dead ends: 118 [2021-11-07 00:54:01,744 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:54:01,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-07 00:54:01,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-11-07 00:54:01,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 116 states have (on average 1.6120689655172413) internal successors, (187), 117 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 187 transitions. [2021-11-07 00:54:01,810 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 187 transitions. Word has length 34 [2021-11-07 00:54:01,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:01,810 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 187 transitions. [2021-11-07 00:54:01,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:01,811 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2021-11-07 00:54:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 00:54:01,815 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:01,815 INFO L513 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] [2021-11-07 00:54:01,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:02,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:02,036 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:02,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:02,036 INFO L85 PathProgramCache]: Analyzing trace with hash -122239248, now seen corresponding path program 1 times [2021-11-07 00:54:02,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:02,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262460057] [2021-11-07 00:54:02,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:02,038 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:02,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:02,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:02,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:54:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:02,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 00:54:02,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:02,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:02,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:02,558 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:02,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262460057] [2021-11-07 00:54:02,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262460057] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:02,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:02,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:54:02,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127714275] [2021-11-07 00:54:02,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:02,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:02,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:02,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:02,561 INFO L87 Difference]: Start difference. First operand 118 states and 187 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:02,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:02,620 INFO L93 Difference]: Finished difference Result 328 states and 520 transitions. [2021-11-07 00:54:02,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:02,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-07 00:54:02,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:02,624 INFO L225 Difference]: With dead ends: 328 [2021-11-07 00:54:02,624 INFO L226 Difference]: Without dead ends: 221 [2021-11-07 00:54:02,625 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:02,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-07 00:54:02,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 117. [2021-11-07 00:54:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.5826086956521739) internal successors, (182), 116 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 182 transitions. [2021-11-07 00:54:02,663 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 182 transitions. Word has length 35 [2021-11-07 00:54:02,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:02,663 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 182 transitions. [2021-11-07 00:54:02,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:02,664 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2021-11-07 00:54:02,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 00:54:02,665 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:02,666 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:02,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:02,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:02,887 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:02,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:02,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1018177341, now seen corresponding path program 1 times [2021-11-07 00:54:02,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:02,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690502885] [2021-11-07 00:54:02,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:02,889 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:02,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:02,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:02,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:54:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:03,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 00:54:03,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:03,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:03,442 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:03,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690502885] [2021-11-07 00:54:03,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690502885] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:03,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:03,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:54:03,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718299437] [2021-11-07 00:54:03,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:03,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:03,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:03,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:03,445 INFO L87 Difference]: Start difference. First operand 117 states and 182 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:03,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:03,488 INFO L93 Difference]: Finished difference Result 227 states and 354 transitions. [2021-11-07 00:54:03,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:03,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 00:54:03,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:03,490 INFO L225 Difference]: With dead ends: 227 [2021-11-07 00:54:03,491 INFO L226 Difference]: Without dead ends: 118 [2021-11-07 00:54:03,492 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:03,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-07 00:54:03,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2021-11-07 00:54:03,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.5565217391304347) internal successors, (179), 116 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2021-11-07 00:54:03,504 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 37 [2021-11-07 00:54:03,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:03,504 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2021-11-07 00:54:03,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2021-11-07 00:54:03,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 00:54:03,506 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:03,507 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:03,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 00:54:03,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:03,720 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:03,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:03,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1032935230, now seen corresponding path program 1 times [2021-11-07 00:54:03,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:03,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270936973] [2021-11-07 00:54:03,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:03,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:03,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:03,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:03,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 00:54:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:04,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:04,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:04,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:04,245 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:04,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270936973] [2021-11-07 00:54:04,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270936973] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:04,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:04,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:54:04,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38216045] [2021-11-07 00:54:04,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:04,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:04,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:04,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:04,250 INFO L87 Difference]: Start difference. First operand 117 states and 179 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:04,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:04,283 INFO L93 Difference]: Finished difference Result 290 states and 447 transitions. [2021-11-07 00:54:04,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:04,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-07 00:54:04,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:04,286 INFO L225 Difference]: With dead ends: 290 [2021-11-07 00:54:04,286 INFO L226 Difference]: Without dead ends: 219 [2021-11-07 00:54:04,289 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:04,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-11-07 00:54:04,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 148. [2021-11-07 00:54:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 146 states have (on average 1.6095890410958904) internal successors, (235), 147 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 235 transitions. [2021-11-07 00:54:04,320 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 235 transitions. Word has length 38 [2021-11-07 00:54:04,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:04,320 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 235 transitions. [2021-11-07 00:54:04,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:04,321 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 235 transitions. [2021-11-07 00:54:04,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 00:54:04,329 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:04,329 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:04,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:04,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:04,542 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:04,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:04,543 INFO L85 PathProgramCache]: Analyzing trace with hash 196922526, now seen corresponding path program 1 times [2021-11-07 00:54:04,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:04,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1878753274] [2021-11-07 00:54:04,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:04,544 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:04,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:04,545 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:04,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 00:54:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:04,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:04,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:05,055 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:05,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:05,190 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:05,190 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:05,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1878753274] [2021-11-07 00:54:05,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1878753274] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:05,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:05,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:54:05,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177758331] [2021-11-07 00:54:05,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:05,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:05,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:05,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:05,193 INFO L87 Difference]: Start difference. First operand 148 states and 235 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:05,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:05,250 INFO L93 Difference]: Finished difference Result 474 states and 762 transitions. [2021-11-07 00:54:05,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:05,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-07 00:54:05,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:05,254 INFO L225 Difference]: With dead ends: 474 [2021-11-07 00:54:05,254 INFO L226 Difference]: Without dead ends: 374 [2021-11-07 00:54:05,255 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:05,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-11-07 00:54:05,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 202. [2021-11-07 00:54:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 200 states have (on average 1.68) internal successors, (336), 201 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 336 transitions. [2021-11-07 00:54:05,275 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 336 transitions. Word has length 48 [2021-11-07 00:54:05,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:05,276 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 336 transitions. [2021-11-07 00:54:05,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:05,276 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 336 transitions. [2021-11-07 00:54:05,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 00:54:05,277 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:05,277 INFO L513 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] [2021-11-07 00:54:05,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:05,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:05,495 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:05,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:05,495 INFO L85 PathProgramCache]: Analyzing trace with hash -867360645, now seen corresponding path program 1 times [2021-11-07 00:54:05,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:05,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554293658] [2021-11-07 00:54:05,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:05,496 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:05,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:05,497 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:05,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 00:54:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:05,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:54:05,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:06,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:06,203 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:06,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554293658] [2021-11-07 00:54:06,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1554293658] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:54:06,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [573894598] [2021-11-07 00:54:06,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:06,204 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:06,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:54:06,206 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:54:06,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-07 00:54:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:06,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 00:54:06,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 00:54:06,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 00:54:07,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [573894598] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:07,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 00:54:07,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [5, 5] total 22 [2021-11-07 00:54:07,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109556632] [2021-11-07 00:54:07,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 00:54:07,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:07,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 00:54:07,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-11-07 00:54:07,275 INFO L87 Difference]: Start difference. First operand 202 states and 336 transitions. Second operand has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:13,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:13,840 INFO L93 Difference]: Finished difference Result 1612 states and 2260 transitions. [2021-11-07 00:54:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-11-07 00:54:13,841 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-07 00:54:13,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:13,851 INFO L225 Difference]: With dead ends: 1612 [2021-11-07 00:54:13,851 INFO L226 Difference]: Without dead ends: 1562 [2021-11-07 00:54:13,856 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3018 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2309, Invalid=7993, Unknown=0, NotChecked=0, Total=10302 [2021-11-07 00:54:13,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2021-11-07 00:54:13,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 295. [2021-11-07 00:54:13,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 293 states have (on average 1.5972696245733788) internal successors, (468), 294 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 468 transitions. [2021-11-07 00:54:13,904 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 468 transitions. Word has length 49 [2021-11-07 00:54:13,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:13,904 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 468 transitions. [2021-11-07 00:54:13,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 468 transitions. [2021-11-07 00:54:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 00:54:13,906 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:13,906 INFO L513 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] [2021-11-07 00:54:13,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:14,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:14,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:14,315 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:14,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:14,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1932642042, now seen corresponding path program 1 times [2021-11-07 00:54:14,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:14,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239755662] [2021-11-07 00:54:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:14,316 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:14,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:14,318 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:14,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 00:54:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:14,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:54:14,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:14,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:15,041 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:15,041 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:15,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239755662] [2021-11-07 00:54:15,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239755662] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:54:15,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1893218295] [2021-11-07 00:54:15,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:15,042 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:15,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:54:15,044 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:54:15,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-07 00:54:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:15,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 00:54:15,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 00:54:15,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 00:54:15,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1893218295] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:15,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 00:54:15,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5, 5] total 12 [2021-11-07 00:54:15,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526831005] [2021-11-07 00:54:15,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 00:54:15,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:15,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 00:54:15,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-07 00:54:15,797 INFO L87 Difference]: Start difference. First operand 295 states and 468 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:15,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:15,946 INFO L93 Difference]: Finished difference Result 478 states and 721 transitions. [2021-11-07 00:54:15,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 00:54:15,949 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 [2021-11-07 00:54:15,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:15,952 INFO L225 Difference]: With dead ends: 478 [2021-11-07 00:54:15,952 INFO L226 Difference]: Without dead ends: 344 [2021-11-07 00:54:15,953 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-07 00:54:15,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-11-07 00:54:15,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 282. [2021-11-07 00:54:15,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 280 states have (on average 1.5964285714285715) internal successors, (447), 281 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:15,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 447 transitions. [2021-11-07 00:54:15,997 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 447 transitions. Word has length 50 [2021-11-07 00:54:15,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:15,998 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 447 transitions. [2021-11-07 00:54:15,998 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) [2021-11-07 00:54:15,998 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 447 transitions. [2021-11-07 00:54:15,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 00:54:15,999 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:15,999 INFO L513 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] [2021-11-07 00:54:16,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:16,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:16,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:16,403 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:16,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:16,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1701439479, now seen corresponding path program 1 times [2021-11-07 00:54:16,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:16,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547110477] [2021-11-07 00:54:16,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:16,404 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:16,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:16,405 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:16,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 00:54:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:16,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:54:16,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:16,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:17,082 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:17,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547110477] [2021-11-07 00:54:17,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1547110477] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:54:17,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1368421158] [2021-11-07 00:54:17,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:17,083 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:17,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:54:17,087 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:54:17,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-07 00:54:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:17,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 00:54:17,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 00:54:17,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:17,911 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 00:54:17,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1368421158] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:17,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 00:54:17,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 11 [2021-11-07 00:54:17,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453242524] [2021-11-07 00:54:17,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:54:17,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:17,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:54:17,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-07 00:54:17,913 INFO L87 Difference]: Start difference. First operand 282 states and 447 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:18,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:18,104 INFO L93 Difference]: Finished difference Result 681 states and 1035 transitions. [2021-11-07 00:54:18,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 00:54:18,111 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 [2021-11-07 00:54:18,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:18,115 INFO L225 Difference]: With dead ends: 681 [2021-11-07 00:54:18,115 INFO L226 Difference]: Without dead ends: 561 [2021-11-07 00:54:18,116 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-11-07 00:54:18,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2021-11-07 00:54:18,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 467. [2021-11-07 00:54:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 465 states have (on average 1.5763440860215054) internal successors, (733), 466 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:18,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 733 transitions. [2021-11-07 00:54:18,176 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 733 transitions. Word has length 50 [2021-11-07 00:54:18,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:18,176 INFO L470 AbstractCegarLoop]: Abstraction has 467 states and 733 transitions. [2021-11-07 00:54:18,176 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) [2021-11-07 00:54:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 733 transitions. [2021-11-07 00:54:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 00:54:18,177 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:18,178 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:18,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:18,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-11-07 00:54:18,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:18,581 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:18,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:18,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1224175828, now seen corresponding path program 1 times [2021-11-07 00:54:18,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:18,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257612558] [2021-11-07 00:54:18,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:18,582 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:18,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:18,586 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:18,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 00:54:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:18,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:54:18,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:19,128 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:19,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:19,276 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:19,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257612558] [2021-11-07 00:54:19,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [257612558] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:54:19,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1410073865] [2021-11-07 00:54:19,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:19,276 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:19,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:54:19,279 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:54:19,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-07 00:54:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:19,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:54:19,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 00:54:19,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:20,067 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 00:54:20,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1410073865] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:20,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 00:54:20,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 10 [2021-11-07 00:54:20,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122744749] [2021-11-07 00:54:20,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:20,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:20,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:20,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-07 00:54:20,069 INFO L87 Difference]: Start difference. First operand 467 states and 733 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:20,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:20,147 INFO L93 Difference]: Finished difference Result 558 states and 849 transitions. [2021-11-07 00:54:20,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:20,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-07 00:54:20,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:20,153 INFO L225 Difference]: With dead ends: 558 [2021-11-07 00:54:20,154 INFO L226 Difference]: Without dead ends: 374 [2021-11-07 00:54:20,154 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-07 00:54:20,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-11-07 00:54:20,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 339. [2021-11-07 00:54:20,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 337 states have (on average 1.6083086053412463) internal successors, (542), 338 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:20,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 542 transitions. [2021-11-07 00:54:20,199 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 542 transitions. Word has length 52 [2021-11-07 00:54:20,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:20,200 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 542 transitions. [2021-11-07 00:54:20,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:20,200 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 542 transitions. [2021-11-07 00:54:20,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 00:54:20,201 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:20,202 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:20,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:20,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:20,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:20,615 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:20,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:20,615 INFO L85 PathProgramCache]: Analyzing trace with hash -944544913, now seen corresponding path program 1 times [2021-11-07 00:54:20,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:20,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276266481] [2021-11-07 00:54:20,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:20,616 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:20,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:20,617 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:20,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 00:54:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:21,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:21,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 00:54:21,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 00:54:21,277 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:21,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276266481] [2021-11-07 00:54:21,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276266481] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:21,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:21,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 00:54:21,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371382590] [2021-11-07 00:54:21,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:54:21,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:21,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:54:21,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:21,279 INFO L87 Difference]: Start difference. First operand 339 states and 542 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:21,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:21,354 INFO L93 Difference]: Finished difference Result 911 states and 1458 transitions. [2021-11-07 00:54:21,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:54:21,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-07 00:54:21,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:21,358 INFO L225 Difference]: With dead ends: 911 [2021-11-07 00:54:21,358 INFO L226 Difference]: Without dead ends: 598 [2021-11-07 00:54:21,359 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:21,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2021-11-07 00:54:21,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 453. [2021-11-07 00:54:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 451 states have (on average 1.6541019955654102) internal successors, (746), 452 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 746 transitions. [2021-11-07 00:54:21,408 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 746 transitions. Word has length 57 [2021-11-07 00:54:21,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:21,409 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 746 transitions. [2021-11-07 00:54:21,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:21,409 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 746 transitions. [2021-11-07 00:54:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 00:54:21,411 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:21,411 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:21,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:21,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:21,629 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:21,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:21,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1173566898, now seen corresponding path program 1 times [2021-11-07 00:54:21,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:21,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506613601] [2021-11-07 00:54:21,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:21,630 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:21,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:21,631 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:21,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 00:54:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:22,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:22,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:22,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 00:54:22,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 00:54:22,329 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:22,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506613601] [2021-11-07 00:54:22,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1506613601] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:22,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:22,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 00:54:22,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156611352] [2021-11-07 00:54:22,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:54:22,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:22,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:54:22,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:22,330 INFO L87 Difference]: Start difference. First operand 453 states and 746 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:22,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:22,414 INFO L93 Difference]: Finished difference Result 855 states and 1346 transitions. [2021-11-07 00:54:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:54:22,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-07 00:54:22,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:22,418 INFO L225 Difference]: With dead ends: 855 [2021-11-07 00:54:22,419 INFO L226 Difference]: Without dead ends: 569 [2021-11-07 00:54:22,419 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:22,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-11-07 00:54:22,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 424. [2021-11-07 00:54:22,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 422 states have (on average 1.6350710900473933) internal successors, (690), 423 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:22,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 690 transitions. [2021-11-07 00:54:22,465 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 690 transitions. Word has length 58 [2021-11-07 00:54:22,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:22,465 INFO L470 AbstractCegarLoop]: Abstraction has 424 states and 690 transitions. [2021-11-07 00:54:22,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:22,466 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 690 transitions. [2021-11-07 00:54:22,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 00:54:22,467 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:22,467 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:22,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:22,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:22,681 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:22,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:22,682 INFO L85 PathProgramCache]: Analyzing trace with hash 328528683, now seen corresponding path program 1 times [2021-11-07 00:54:22,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:22,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945620092] [2021-11-07 00:54:22,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:22,683 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:22,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:22,684 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:22,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-07 00:54:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:23,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:23,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 00:54:23,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:23,408 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 00:54:23,409 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:23,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945620092] [2021-11-07 00:54:23,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1945620092] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:23,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:23,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 00:54:23,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919836209] [2021-11-07 00:54:23,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:54:23,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:23,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:54:23,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:23,411 INFO L87 Difference]: Start difference. First operand 424 states and 690 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:23,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:23,511 INFO L93 Difference]: Finished difference Result 1181 states and 1940 transitions. [2021-11-07 00:54:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:54:23,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-07 00:54:23,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:23,517 INFO L225 Difference]: With dead ends: 1181 [2021-11-07 00:54:23,517 INFO L226 Difference]: Without dead ends: 787 [2021-11-07 00:54:23,519 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:23,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2021-11-07 00:54:23,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 642. [2021-11-07 00:54:23,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 640 states have (on average 1.6859375) internal successors, (1079), 641 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:23,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1079 transitions. [2021-11-07 00:54:23,592 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1079 transitions. Word has length 58 [2021-11-07 00:54:23,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:23,593 INFO L470 AbstractCegarLoop]: Abstraction has 642 states and 1079 transitions. [2021-11-07 00:54:23,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:23,593 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1079 transitions. [2021-11-07 00:54:23,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 00:54:23,595 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:23,595 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:23,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:23,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:23,810 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:23,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:23,810 INFO L85 PathProgramCache]: Analyzing trace with hash 87613521, now seen corresponding path program 1 times [2021-11-07 00:54:23,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:23,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467895471] [2021-11-07 00:54:23,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:23,811 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:23,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:23,812 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:23,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 00:54:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:24,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:24,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 00:54:24,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 00:54:24,570 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:24,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467895471] [2021-11-07 00:54:24,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [467895471] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:24,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:24,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 00:54:24,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231158758] [2021-11-07 00:54:24,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:54:24,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:24,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:54:24,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:24,571 INFO L87 Difference]: Start difference. First operand 642 states and 1079 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:24,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:24,710 INFO L93 Difference]: Finished difference Result 1821 states and 3085 transitions. [2021-11-07 00:54:24,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:54:24,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-07 00:54:24,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:24,719 INFO L225 Difference]: With dead ends: 1821 [2021-11-07 00:54:24,719 INFO L226 Difference]: Without dead ends: 1213 [2021-11-07 00:54:24,724 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:24,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2021-11-07 00:54:24,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1068. [2021-11-07 00:54:24,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1066 states have (on average 1.7185741088180113) internal successors, (1832), 1067 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1832 transitions. [2021-11-07 00:54:24,841 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1832 transitions. Word has length 59 [2021-11-07 00:54:24,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:24,842 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1832 transitions. [2021-11-07 00:54:24,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:24,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1832 transitions. [2021-11-07 00:54:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 00:54:24,851 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:24,852 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:24,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:25,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:25,070 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:25,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:25,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1318592951, now seen corresponding path program 1 times [2021-11-07 00:54:25,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:25,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651112451] [2021-11-07 00:54:25,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:25,071 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:25,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:25,072 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:25,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-07 00:54:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:25,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:25,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 00:54:25,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 00:54:25,848 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:25,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651112451] [2021-11-07 00:54:25,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651112451] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:25,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:25,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 00:54:25,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817067041] [2021-11-07 00:54:25,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:54:25,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:25,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:54:25,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:25,850 INFO L87 Difference]: Start difference. First operand 1068 states and 1832 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:26,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:26,041 INFO L93 Difference]: Finished difference Result 3077 states and 5306 transitions. [2021-11-07 00:54:26,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:54:26,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-07 00:54:26,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:26,054 INFO L225 Difference]: With dead ends: 3077 [2021-11-07 00:54:26,054 INFO L226 Difference]: Without dead ends: 2047 [2021-11-07 00:54:26,056 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:26,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2021-11-07 00:54:26,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 1902. [2021-11-07 00:54:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1900 states have (on average 1.7310526315789474) internal successors, (3289), 1901 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 3289 transitions. [2021-11-07 00:54:26,239 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 3289 transitions. Word has length 60 [2021-11-07 00:54:26,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:26,239 INFO L470 AbstractCegarLoop]: Abstraction has 1902 states and 3289 transitions. [2021-11-07 00:54:26,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3289 transitions. [2021-11-07 00:54:26,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 00:54:26,243 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:26,244 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:26,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:26,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:26,458 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:26,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:26,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1559369011, now seen corresponding path program 1 times [2021-11-07 00:54:26,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:26,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472820458] [2021-11-07 00:54:26,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:26,459 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:26,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:26,460 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:26,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-07 00:54:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:27,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:54:27,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:27,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:27,400 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:27,400 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:27,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472820458] [2021-11-07 00:54:27,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472820458] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:54:27,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1284041768] [2021-11-07 00:54:27,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:27,401 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:27,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:54:27,402 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:54:27,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-07 00:54:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:28,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 00:54:28,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 00:54:28,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:28,449 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 00:54:28,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1284041768] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:28,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 00:54:28,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [5, 5] total 13 [2021-11-07 00:54:28,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335160919] [2021-11-07 00:54:28,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 00:54:28,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:28,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 00:54:28,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-07 00:54:28,451 INFO L87 Difference]: Start difference. First operand 1902 states and 3289 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:28,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:28,610 INFO L93 Difference]: Finished difference Result 1933 states and 3331 transitions. [2021-11-07 00:54:28,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:54:28,610 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-07 00:54:28,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:28,611 INFO L225 Difference]: With dead ends: 1933 [2021-11-07 00:54:28,611 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 00:54:28,612 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-07 00:54:28,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 00:54:28,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 00:54:28,613 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) [2021-11-07 00:54:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 00:54:28,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-11-07 00:54:28,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:28,614 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 00:54:28,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 00:54:28,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 00:54:28,617 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:54:28,617 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:54:28,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:28,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:29,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:29,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 00:54:29,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:29,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:29,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:29,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:29,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:29,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:30,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:30,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:30,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:30,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:30,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:30,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:30,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:30,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:30,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:30,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:31,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:32,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:33,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:33,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:33,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:33,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:33,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:33,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:33,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:33,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:33,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:33,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:54:41,107 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-11-07 00:54:41,107 INFO L853 garLoopResultBuilder]: At program point L2546(lines 2541 2549) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-11-07 00:54:41,108 INFO L857 garLoopResultBuilder]: For program point L2216(lines 2216 2228) no Hoare annotation was computed. [2021-11-07 00:54:41,108 INFO L853 garLoopResultBuilder]: At program point L168(lines 148 170) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,108 INFO L853 garLoopResultBuilder]: At program point L302(lines 292 390) 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)) [2021-11-07 00:54:41,108 INFO L853 garLoopResultBuilder]: At program point L269(lines 259 393) 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)) [2021-11-07 00:54:41,108 INFO L853 garLoopResultBuilder]: At program point L2417(lines 2412 2420) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse5 .cse6))) [2021-11-07 00:54:41,108 INFO L853 garLoopResultBuilder]: At program point L2252(lines 2235 2258) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,108 INFO L857 garLoopResultBuilder]: For program point L2219(lines 2219 2227) no Hoare annotation was computed. [2021-11-07 00:54:41,109 INFO L853 garLoopResultBuilder]: At program point L2252-1(lines 2235 2258) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse4 .cse5))) [2021-11-07 00:54:41,109 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 511) no Hoare annotation was computed. [2021-11-07 00:54:41,109 INFO L857 garLoopResultBuilder]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2021-11-07 00:54:41,109 INFO L853 garLoopResultBuilder]: At program point L371(lines 361 384) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,109 INFO L857 garLoopResultBuilder]: For program point L503-4(lines 503 511) no Hoare annotation was computed. [2021-11-07 00:54:41,109 INFO L853 garLoopResultBuilder]: At program point L338(lines 328 387) 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)) [2021-11-07 00:54:41,109 INFO L857 garLoopResultBuilder]: For program point L2222(lines 2222 2226) no Hoare annotation was computed. [2021-11-07 00:54:41,109 INFO L857 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-11-07 00:54:41,109 INFO L857 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2021-11-07 00:54:41,110 INFO L853 garLoopResultBuilder]: At program point L2222-2(lines 1 2549) 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)) [2021-11-07 00:54:41,110 INFO L853 garLoopResultBuilder]: At program point L2487-1(lines 2482 2490) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse7 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse8 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-11-07 00:54:41,110 INFO L853 garLoopResultBuilder]: At program point L2487(lines 2482 2490) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse5 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse6 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse7 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse8 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-11-07 00:54:41,110 INFO L860 garLoopResultBuilder]: At program point L2487-3(lines 2482 2490) the Hoare annotation is: true [2021-11-07 00:54:41,110 INFO L853 garLoopResultBuilder]: At program point L2487-2(lines 2482 2490) 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)) [2021-11-07 00:54:41,111 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 311) no Hoare annotation was computed. [2021-11-07 00:54:41,111 INFO L853 garLoopResultBuilder]: At program point L2322(lines 1 2549) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,111 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 278) no Hoare annotation was computed. [2021-11-07 00:54:41,111 INFO L853 garLoopResultBuilder]: At program point L208(lines 1183 1200) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse5 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse6 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse7 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse8 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse9 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-11-07 00:54:41,111 INFO L853 garLoopResultBuilder]: At program point L2322-1(lines 1 2549) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-07 00:54:41,111 INFO L860 garLoopResultBuilder]: At program point L208-1(lines 1183 1200) the Hoare annotation is: true [2021-11-07 00:54:41,112 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 510) no Hoare annotation was computed. [2021-11-07 00:54:41,112 INFO L853 garLoopResultBuilder]: At program point L506-2(lines 499 514) 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)) [2021-11-07 00:54:41,112 INFO L857 garLoopResultBuilder]: For program point L506-3(lines 506 510) no Hoare annotation was computed. [2021-11-07 00:54:41,112 INFO L853 garLoopResultBuilder]: At program point L506-5(lines 499 514) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,112 INFO L857 garLoopResultBuilder]: For program point L506-6(lines 506 510) no Hoare annotation was computed. [2021-11-07 00:54:41,112 INFO L853 garLoopResultBuilder]: At program point L506-8(lines 499 514) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse4 .cse5))) [2021-11-07 00:54:41,112 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 548) no Hoare annotation was computed. [2021-11-07 00:54:41,112 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 548) no Hoare annotation was computed. [2021-11-07 00:54:41,113 INFO L857 garLoopResultBuilder]: For program point L540-4(lines 540 548) no Hoare annotation was computed. [2021-11-07 00:54:41,113 INFO L857 garLoopResultBuilder]: For program point L2192(lines 2192 2208) no Hoare annotation was computed. [2021-11-07 00:54:41,113 INFO L857 garLoopResultBuilder]: For program point L2192-1(lines 2192 2208) no Hoare annotation was computed. [2021-11-07 00:54:41,113 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-11-07 00:54:41,113 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2021-11-07 00:54:41,113 INFO L853 garLoopResultBuilder]: At program point L376-1(lines 251 394) 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)) [2021-11-07 00:54:41,113 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 547) no Hoare annotation was computed. [2021-11-07 00:54:41,114 INFO L853 garLoopResultBuilder]: At program point L543-2(lines 536 551) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,114 INFO L857 garLoopResultBuilder]: For program point L543-3(lines 543 547) no Hoare annotation was computed. [2021-11-07 00:54:41,114 INFO L853 garLoopResultBuilder]: At program point L543-5(lines 536 551) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse7 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-11-07 00:54:41,114 INFO L857 garLoopResultBuilder]: For program point L543-6(lines 543 547) no Hoare annotation was computed. [2021-11-07 00:54:41,114 INFO L853 garLoopResultBuilder]: At program point L543-8(lines 536 551) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,115 INFO L853 garLoopResultBuilder]: At program point L313(lines 303 389) 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)) [2021-11-07 00:54:41,115 INFO L853 garLoopResultBuilder]: At program point L280(lines 270 392) 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)) [2021-11-07 00:54:41,115 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 188) no Hoare annotation was computed. [2021-11-07 00:54:41,115 INFO L857 garLoopResultBuilder]: For program point L2196(lines 2196 2207) no Hoare annotation was computed. [2021-11-07 00:54:41,115 INFO L860 garLoopResultBuilder]: At program point L181-1(lines 181 188) the Hoare annotation is: true [2021-11-07 00:54:41,115 INFO L857 garLoopResultBuilder]: For program point L2196-1(lines 2196 2207) no Hoare annotation was computed. [2021-11-07 00:54:41,116 INFO L857 garLoopResultBuilder]: For program point L2263(lines 2263 2275) no Hoare annotation was computed. [2021-11-07 00:54:41,116 INFO L857 garLoopResultBuilder]: For program point L2263-2(lines 2263 2275) no Hoare annotation was computed. [2021-11-07 00:54:41,116 INFO L857 garLoopResultBuilder]: For program point L2263-4(lines 2263 2275) no Hoare annotation was computed. [2021-11-07 00:54:41,116 INFO L857 garLoopResultBuilder]: For program point L447(lines 447 458) no Hoare annotation was computed. [2021-11-07 00:54:41,116 INFO L857 garLoopResultBuilder]: For program point L447-1(lines 447 458) no Hoare annotation was computed. [2021-11-07 00:54:41,116 INFO L853 garLoopResultBuilder]: At program point L349(lines 339 386) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,116 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 00:54:41,117 INFO L857 garLoopResultBuilder]: For program point L2266(lines 2266 2274) no Hoare annotation was computed. [2021-11-07 00:54:41,117 INFO L857 garLoopResultBuilder]: For program point L2266-2(lines 2266 2274) no Hoare annotation was computed. [2021-11-07 00:54:41,117 INFO L857 garLoopResultBuilder]: For program point L2200(lines 2200 2206) no Hoare annotation was computed. [2021-11-07 00:54:41,117 INFO L857 garLoopResultBuilder]: For program point L2266-4(lines 2266 2274) no Hoare annotation was computed. [2021-11-07 00:54:41,117 INFO L857 garLoopResultBuilder]: For program point L2200-1(lines 2200 2206) no Hoare annotation was computed. [2021-11-07 00:54:41,117 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 325) no Hoare annotation was computed. [2021-11-07 00:54:41,118 INFO L853 garLoopResultBuilder]: At program point L2399(lines 2394 2402) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse5 .cse6))) [2021-11-07 00:54:41,118 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 289) no Hoare annotation was computed. [2021-11-07 00:54:41,118 INFO L857 garLoopResultBuilder]: For program point L252(lines 251 394) no Hoare annotation was computed. [2021-11-07 00:54:41,118 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 495) no Hoare annotation was computed. [2021-11-07 00:54:41,118 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2021-11-07 00:54:41,118 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 484 495) no Hoare annotation was computed. [2021-11-07 00:54:41,118 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2021-11-07 00:54:41,119 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-11-07 00:54:41,119 INFO L857 garLoopResultBuilder]: For program point L2269(lines 2269 2273) no Hoare annotation was computed. [2021-11-07 00:54:41,119 INFO L857 garLoopResultBuilder]: For program point L2269-3(lines 2269 2273) no Hoare annotation was computed. [2021-11-07 00:54:41,119 INFO L853 garLoopResultBuilder]: At program point L2269-2(lines 1 2549) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (not (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-11-07 00:54:41,119 INFO L853 garLoopResultBuilder]: At program point L2269-5(lines 1 2549) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv2 32) ~rjh~0) (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) [2021-11-07 00:54:41,119 INFO L857 garLoopResultBuilder]: For program point L2269-6(lines 2269 2273) no Hoare annotation was computed. [2021-11-07 00:54:41,120 INFO L853 garLoopResultBuilder]: At program point L2269-8(lines 1 2549) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,120 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 358) no Hoare annotation was computed. [2021-11-07 00:54:41,120 INFO L860 garLoopResultBuilder]: At program point L189(lines 171 191) the Hoare annotation is: true [2021-11-07 00:54:41,120 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 00:54:41,120 INFO L853 garLoopResultBuilder]: At program point L2205-1(lines 2188 2211) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-07 00:54:41,120 INFO L853 garLoopResultBuilder]: At program point L2205(lines 2188 2211) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,121 INFO L857 garLoopResultBuilder]: For program point L521(lines 521 532) no Hoare annotation was computed. [2021-11-07 00:54:41,121 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2021-11-07 00:54:41,121 INFO L857 garLoopResultBuilder]: For program point L521-1(lines 521 532) no Hoare annotation was computed. [2021-11-07 00:54:41,121 INFO L857 garLoopResultBuilder]: For program point L521-2(lines 521 532) no Hoare annotation was computed. [2021-11-07 00:54:41,121 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2021-11-07 00:54:41,121 INFO L857 garLoopResultBuilder]: For program point L521-3(lines 521 532) no Hoare annotation was computed. [2021-11-07 00:54:41,121 INFO L857 garLoopResultBuilder]: For program point L2239-1(lines 2239 2255) no Hoare annotation was computed. [2021-11-07 00:54:41,122 INFO L857 garLoopResultBuilder]: For program point L2239(lines 2239 2255) no Hoare annotation was computed. [2021-11-07 00:54:41,122 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 133) no Hoare annotation was computed. [2021-11-07 00:54:41,122 INFO L853 garLoopResultBuilder]: At program point L456(lines 443 461) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse5 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse6 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse7 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse8 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse9 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-11-07 00:54:41,122 INFO L860 garLoopResultBuilder]: At program point L456-1(lines 443 461) the Hoare annotation is: true [2021-11-07 00:54:41,122 INFO L853 garLoopResultBuilder]: At program point L291(lines 281 391) 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)) [2021-11-07 00:54:41,122 INFO L853 garLoopResultBuilder]: At program point L2538(lines 1 2549) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-11-07 00:54:41,122 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 393) no Hoare annotation was computed. [2021-11-07 00:54:41,122 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 00:54:41,122 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 531) no Hoare annotation was computed. [2021-11-07 00:54:41,122 INFO L857 garLoopResultBuilder]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2021-11-07 00:54:41,122 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 531) no Hoare annotation was computed. [2021-11-07 00:54:41,122 INFO L857 garLoopResultBuilder]: For program point L525-3(lines 525 531) no Hoare annotation was computed. [2021-11-07 00:54:41,123 INFO L853 garLoopResultBuilder]: At program point L2408(lines 2403 2411) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse5 .cse6))) [2021-11-07 00:54:41,123 INFO L853 garLoopResultBuilder]: At program point L360(lines 350 385) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,123 INFO L853 garLoopResultBuilder]: At program point L327(lines 314 388) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,123 INFO L857 garLoopResultBuilder]: For program point L2243-1(lines 2243 2254) no Hoare annotation was computed. [2021-11-07 00:54:41,123 INFO L857 garLoopResultBuilder]: For program point L2243(lines 2243 2254) no Hoare annotation was computed. [2021-11-07 00:54:41,123 INFO L853 garLoopResultBuilder]: At program point L493(lines 480 498) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse5 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse6 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse7 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse8 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse9 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-11-07 00:54:41,123 INFO L860 garLoopResultBuilder]: At program point L493-1(lines 480 498) the Hoare annotation is: true [2021-11-07 00:54:41,123 INFO L853 garLoopResultBuilder]: At program point L395(lines 250 396) 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)) [2021-11-07 00:54:41,123 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 300) no Hoare annotation was computed. [2021-11-07 00:54:41,123 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 267) no Hoare annotation was computed. [2021-11-07 00:54:41,124 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 00:54:41,124 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-11-07 00:54:41,124 INFO L853 garLoopResultBuilder]: At program point L2345-1(lines 1 2549) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32)) .cse5 .cse6))) [2021-11-07 00:54:41,124 INFO L857 garLoopResultBuilder]: For program point L2345(lines 2345 2352) no Hoare annotation was computed. [2021-11-07 00:54:41,124 INFO L857 garLoopResultBuilder]: For program point L2345-2(lines 2345 2352) no Hoare annotation was computed. [2021-11-07 00:54:41,124 INFO L853 garLoopResultBuilder]: At program point L2511(lines 2500 2514) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,124 INFO L857 garLoopResultBuilder]: For program point L2247-1(lines 2247 2253) no Hoare annotation was computed. [2021-11-07 00:54:41,124 INFO L857 garLoopResultBuilder]: For program point L2247(lines 2247 2253) no Hoare annotation was computed. [2021-11-07 00:54:41,124 INFO L853 garLoopResultBuilder]: At program point L530(lines 517 535) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:54:41,124 INFO L853 garLoopResultBuilder]: At program point L530-1(lines 517 535) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse7 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse8 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-11-07 00:54:41,125 INFO L853 garLoopResultBuilder]: At program point L530-2(lines 517 535) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= ULTIMATE.start_incoming_~fwreceiver~0 (_ bv0 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-07 00:54:41,125 INFO L860 garLoopResultBuilder]: At program point L530-3(lines 517 535) the Hoare annotation is: true [2021-11-07 00:54:41,125 INFO L860 garLoopResultBuilder]: At program point L2479-1(lines 2454 2481) the Hoare annotation is: true [2021-11-07 00:54:41,125 INFO L853 garLoopResultBuilder]: At program point L2479(lines 2454 2481) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isReadable_#res| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv1 32))) (.cse7 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse8 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-11-07 00:54:41,125 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 369) no Hoare annotation was computed. [2021-11-07 00:54:41,125 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2021-11-07 00:54:41,125 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1197) no Hoare annotation was computed. [2021-11-07 00:54:41,125 INFO L857 garLoopResultBuilder]: For program point L1191-2(lines 1191 1197) no Hoare annotation was computed. [2021-11-07 00:54:41,128 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:41,129 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:54:41,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:54:41 BoogieIcfgContainer [2021-11-07 00:54:41,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:54:41,164 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:54:41,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:54:41,165 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:54:41,165 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:00" (3/4) ... [2021-11-07 00:54:41,168 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 00:54:41,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-11-07 00:54:41,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-11-07 00:54:41,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 00:54:41,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 00:54:41,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:54:41,198 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:54:41,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-11-07 00:54:41,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-11-07 00:54:41,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 2bv32 == rjh) && 2bv32 == handle [2021-11-07 00:54:41,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,235 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,235 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == \result) && fwreceiver == 0bv32) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,235 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((msg == 1bv32 && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:54:41,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,237 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:54:41,300 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:54:41,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:54:41,302 INFO L168 Benchmark]: Toolchain (without parser) took 44387.21 ms. Allocated memory was 69.2 MB in the beginning and 327.2 MB in the end (delta: 257.9 MB). Free memory was 46.0 MB in the beginning and 183.2 MB in the end (delta: -137.2 MB). Peak memory consumption was 119.7 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:41,302 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 54.5 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:54:41,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 869.63 ms. Allocated memory is still 69.2 MB. Free memory was 45.8 MB in the beginning and 35.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:41,303 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.14 ms. Allocated memory is still 69.2 MB. Free memory was 35.8 MB in the beginning and 30.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:41,303 INFO L168 Benchmark]: Boogie Preprocessor took 91.55 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 30.7 MB in the beginning and 67.8 MB in the end (delta: -37.2 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:41,304 INFO L168 Benchmark]: RCFGBuilder took 2831.49 ms. Allocated memory is still 88.1 MB. Free memory was 67.8 MB in the beginning and 32.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 44.7 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:41,304 INFO L168 Benchmark]: TraceAbstraction took 40316.26 ms. Allocated memory was 88.1 MB in the beginning and 327.2 MB in the end (delta: 239.1 MB). Free memory was 32.3 MB in the beginning and 198.9 MB in the end (delta: -166.6 MB). Peak memory consumption was 173.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:41,304 INFO L168 Benchmark]: Witness Printer took 135.84 ms. Allocated memory is still 327.2 MB. Free memory was 198.9 MB in the beginning and 183.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:41,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 54.5 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 869.63 ms. Allocated memory is still 69.2 MB. Free memory was 45.8 MB in the beginning and 35.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.14 ms. Allocated memory is still 69.2 MB. Free memory was 35.8 MB in the beginning and 30.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.55 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 30.7 MB in the beginning and 67.8 MB in the end (delta: -37.2 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2831.49 ms. Allocated memory is still 88.1 MB. Free memory was 67.8 MB in the beginning and 32.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 44.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 40316.26 ms. Allocated memory was 88.1 MB in the beginning and 327.2 MB in the end (delta: 239.1 MB). Free memory was 32.3 MB in the beginning and 198.9 MB in the end (delta: -166.6 MB). Peak memory consumption was 173.3 MB. Max. memory is 16.1 GB. * Witness Printer took 135.84 ms. Allocated memory is still 327.2 MB. Free memory was 198.9 MB in the beginning and 183.2 MB in the end (delta: 15.7 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 207]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 207]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 40.1s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3048 SDtfs, 6139 SDslu, 5245 SDs, 0 SdLazy, 477 SolverSat, 97 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2068 GetRequests, 1906 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3076 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1902occurred in iteration=14, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 2531 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 937 NumberOfFragments, 1567 HoareAnnotationTreeSize, 54 FomulaSimplifications, 22032035 FormulaSimplificationTreeSizeReduction, 4.5s HoareSimplificationTime, 54 FomulaSimplificationsInter, 191437 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1008 NumberOfCodeBlocks, 1008 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1976 ConstructedInterpolants, 0 QuantifiedInterpolants, 3066 SizeOfPredicates, 53 NumberOfNonLiveVariables, 8054 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 40 InterpolantComputations, 30 PerfectInterpolantSequences, 180/260 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 2bv32 == rjh) && 2bv32 == handle - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == \result) && fwreceiver == 0bv32) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2412]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: ((((((((\result == 1bv32 && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2188]: Loop Invariant Derived loop invariant: (((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2482]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2188]: Loop Invariant Derived loop invariant: (((((msg == 1bv32 && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2454]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2500]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1183]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2482]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2403]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2482]: 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: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2482]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 1183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2235]: Loop Invariant Derived loop invariant: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (!(__ste_email_to0 == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 2394]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: ((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2235]: Loop Invariant Derived loop invariant: ((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh RESULT: Ultimate proved your program to be correct! [2021-11-07 00:54:41,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bad77146-2f89-4f72-86b6-a44558148f56/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE