./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/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_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/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_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:01:06,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:01:06,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:01:06,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:01:06,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:01:06,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:01:06,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:01:06,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:01:06,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:01:06,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:01:06,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:01:06,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:01:06,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:01:06,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:01:06,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:01:06,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:01:06,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:01:06,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:01:06,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:01:06,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:01:06,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:01:06,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:01:06,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:01:06,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:01:06,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:01:06,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:01:06,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:01:06,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:01:06,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:01:06,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:01:06,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:01:06,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:01:06,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:01:06,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:01:06,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:01:06,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:01:06,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:01:06,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:01:06,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:01:06,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:01:06,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:01:06,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:01:06,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:01:06,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:01:06,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:01:06,608 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:01:06,609 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:01:06,609 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:01:06,609 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:01:06,609 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:01:06,616 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:01:06,616 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:01:06,617 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:01:06,617 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:01:06,617 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:01:06,618 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:01:06,618 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:01:06,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:01:06,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:01:06,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:01:06,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:01:06,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:01:06,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:01:06,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:01:06,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:01:06,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:01:06,621 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:01:06,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:01:06,621 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:01:06,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:01:06,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:01:06,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:01:06,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:01:06,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:01:06,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:01:06,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:01:06,625 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:01:06,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:01:06,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:01:06,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:01:06,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:01:06,626 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_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a [2021-10-24 10:01:06,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:01:06,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:01:06,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:01:06,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:01:06,979 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:01:06,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-24 10:01:07,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/data/453a51031/be8dcec73bbd481e8bf026139c8e681d/FLAG78074ecd6 [2021-10-24 10:01:07,619 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:01:07,620 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-24 10:01:07,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/data/453a51031/be8dcec73bbd481e8bf026139c8e681d/FLAG78074ecd6 [2021-10-24 10:01:07,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/data/453a51031/be8dcec73bbd481e8bf026139c8e681d [2021-10-24 10:01:07,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:01:07,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:01:07,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:01:07,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:01:07,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:01:07,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:01:07" (1/1) ... [2021-10-24 10:01:07,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6465c75b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:07, skipping insertion in model container [2021-10-24 10:01:07,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:01:07" (1/1) ... [2021-10-24 10:01:07,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:01:07,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:01:08,230 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_a33800f4-d0a7-41a0-beaa-b8eedda2961e/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-10-24 10:01:08,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:01:08,499 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:01:08,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5426e8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:08, skipping insertion in model container [2021-10-24 10:01:08,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:01:08,500 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:01:08,502 INFO L168 Benchmark]: Toolchain (without parser) took 603.58 ms. Allocated memory is still 117.4 MB. Free memory was 75.5 MB in the beginning and 80.1 MB in the end (delta: -4.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:08,503 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 117.4 MB. Free memory is still 94.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:01:08,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.61 ms. Allocated memory is still 117.4 MB. Free memory was 75.3 MB in the beginning and 80.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:08,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 117.4 MB. Free memory is still 94.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 600.61 ms. Allocated memory is still 117.4 MB. Free memory was 75.3 MB in the beginning and 80.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:01:10,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:01:10,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:01:10,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:01:10,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:01:10,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:01:10,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:01:10,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:01:10,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:01:10,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:01:10,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:01:10,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:01:10,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:01:10,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:01:10,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:01:10,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:01:10,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:01:10,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:01:10,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:01:10,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:01:10,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:01:10,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:01:10,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:01:10,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:01:10,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:01:10,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:01:10,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:01:10,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:01:10,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:01:10,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:01:10,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:01:10,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:01:10,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:01:10,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:01:10,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:01:10,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:01:10,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:01:10,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:01:10,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:01:10,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:01:10,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:01:10,870 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:01:10,895 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:01:10,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:01:10,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:01:10,896 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:01:10,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:01:10,897 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:01:10,897 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:01:10,897 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:01:10,898 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:01:10,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:01:10,899 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:01:10,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:01:10,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:01:10,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:01:10,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:01:10,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:01:10,900 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:01:10,900 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:01:10,901 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:01:10,902 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:01:10,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:01:10,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:01:10,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:01:10,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:01:10,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:01:10,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:01:10,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:01:10,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:01:10,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:01:10,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:01:10,905 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:01:10,905 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:01:10,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:01:10,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:01:10,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:01:10,907 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_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a [2021-10-24 10:01:11,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:01:11,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:01:11,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:01:11,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:01:11,379 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:01:11,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-24 10:01:11,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/data/71353b454/6051f060a57a415197a64729474fcae1/FLAGad671de32 [2021-10-24 10:01:12,139 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:01:12,140 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-24 10:01:12,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/data/71353b454/6051f060a57a415197a64729474fcae1/FLAGad671de32 [2021-10-24 10:01:12,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/data/71353b454/6051f060a57a415197a64729474fcae1 [2021-10-24 10:01:12,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:01:12,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:01:12,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:01:12,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:01:12,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:01:12,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:01:12" (1/1) ... [2021-10-24 10:01:12,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4500b25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:12, skipping insertion in model container [2021-10-24 10:01:12,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:01:12" (1/1) ... [2021-10-24 10:01:12,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:01:12,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:01:12,646 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_a33800f4-d0a7-41a0-beaa-b8eedda2961e/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-10-24 10:01:12,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:01:12,919 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:01:12,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:01:12,962 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_a33800f4-d0a7-41a0-beaa-b8eedda2961e/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-10-24 10:01:13,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:01:13,050 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:01:13,068 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_a33800f4-d0a7-41a0-beaa-b8eedda2961e/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-10-24 10:01:13,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:01:13,218 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:01:13,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13 WrapperNode [2021-10-24 10:01:13,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:01:13,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:01:13,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:01:13,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:01:13,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13" (1/1) ... [2021-10-24 10:01:13,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13" (1/1) ... [2021-10-24 10:01:13,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:01:13,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:01:13,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:01:13,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:01:13,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13" (1/1) ... [2021-10-24 10:01:13,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13" (1/1) ... [2021-10-24 10:01:13,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13" (1/1) ... [2021-10-24 10:01:13,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13" (1/1) ... [2021-10-24 10:01:13,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13" (1/1) ... [2021-10-24 10:01:13,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13" (1/1) ... [2021-10-24 10:01:13,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13" (1/1) ... [2021-10-24 10:01:13,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:01:13,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:01:13,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:01:13,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:01:13,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13" (1/1) ... [2021-10-24 10:01:13,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:01:13,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:01:13,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:01:13,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:01:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-24 10:01:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:01:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:01:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:01:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:01:16,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:01:16,550 INFO L299 CfgBuilder]: Removed 127 assume(true) statements. [2021-10-24 10:01:16,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:01:16 BoogieIcfgContainer [2021-10-24 10:01:16,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:01:16,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:01:16,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:01:16,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:01:16,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:01:12" (1/3) ... [2021-10-24 10:01:16,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3826de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:01:16, skipping insertion in model container [2021-10-24 10:01:16,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:01:13" (2/3) ... [2021-10-24 10:01:16,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3826de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:01:16, skipping insertion in model container [2021-10-24 10:01:16,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:01:16" (3/3) ... [2021-10-24 10:01:16,562 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product05.cil.c [2021-10-24 10:01:16,567 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:01:16,568 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-24 10:01:16,618 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:01:16,625 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:01:16,625 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-24 10:01:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 131 states have (on average 1.6488549618320612) internal successors, (216), 133 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:01:16,651 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:16,651 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:16,652 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:16,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:16,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1721357046, now seen corresponding path program 1 times [2021-10-24 10:01:16,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:16,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960307703] [2021-10-24 10:01:16,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:16,674 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:16,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:16,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:16,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:01:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:17,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:01:17,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:17,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:17,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:17,303 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:17,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960307703] [2021-10-24 10:01:17,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960307703] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:17,304 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:17,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:01:17,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654126375] [2021-10-24 10:01:17,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:01:17,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:17,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:01:17,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:01:17,336 INFO L87 Difference]: Start difference. First operand has 134 states, 131 states have (on average 1.6488549618320612) internal successors, (216), 133 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:17,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:17,376 INFO L93 Difference]: Finished difference Result 221 states and 347 transitions. [2021-10-24 10:01:17,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:01:17,378 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:01:17,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:17,389 INFO L225 Difference]: With dead ends: 221 [2021-10-24 10:01:17,389 INFO L226 Difference]: Without dead ends: 118 [2021-10-24 10:01:17,392 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:01:17,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-24 10:01:17,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-24 10:01:17,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 116 states have (on average 1.6120689655172413) internal successors, (187), 117 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 187 transitions. [2021-10-24 10:01:17,436 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 187 transitions. Word has length 34 [2021-10-24 10:01:17,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:17,436 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 187 transitions. [2021-10-24 10:01:17,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:17,437 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2021-10-24 10:01:17,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:01:17,439 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:17,439 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:17,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:17,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:17,653 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:17,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:17,654 INFO L82 PathProgramCache]: Analyzing trace with hash -122239248, now seen corresponding path program 1 times [2021-10-24 10:01:17,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:17,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [722286690] [2021-10-24 10:01:17,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:17,655 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:17,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:17,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:17,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:01:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:17,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:01:17,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:18,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:18,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:18,163 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:18,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [722286690] [2021-10-24 10:01:18,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [722286690] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:18,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:18,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:01:18,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689542424] [2021-10-24 10:01:18,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:01:18,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:18,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:01:18,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:18,172 INFO L87 Difference]: Start difference. First operand 118 states and 187 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:18,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:18,271 INFO L93 Difference]: Finished difference Result 328 states and 520 transitions. [2021-10-24 10:01:18,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:01:18,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-24 10:01:18,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:18,275 INFO L225 Difference]: With dead ends: 328 [2021-10-24 10:01:18,275 INFO L226 Difference]: Without dead ends: 221 [2021-10-24 10:01:18,277 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:18,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-10-24 10:01:18,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 117. [2021-10-24 10:01:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.5826086956521739) internal successors, (182), 116 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:18,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 182 transitions. [2021-10-24 10:01:18,295 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 182 transitions. Word has length 35 [2021-10-24 10:01:18,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:18,296 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 182 transitions. [2021-10-24 10:01:18,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2021-10-24 10:01:18,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 10:01:18,298 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:18,298 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:18,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:18,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:18,499 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:18,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:18,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1018177341, now seen corresponding path program 1 times [2021-10-24 10:01:18,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:18,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038362997] [2021-10-24 10:01:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:18,502 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:18,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:18,503 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:18,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:01:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:18,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:01:18,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:18,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:19,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:19,033 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:19,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038362997] [2021-10-24 10:01:19,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038362997] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:19,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:19,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:01:19,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641427309] [2021-10-24 10:01:19,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:01:19,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:19,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:01:19,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:19,040 INFO L87 Difference]: Start difference. First operand 117 states and 182 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:19,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:19,095 INFO L93 Difference]: Finished difference Result 227 states and 354 transitions. [2021-10-24 10:01:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:01:19,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-24 10:01:19,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:19,098 INFO L225 Difference]: With dead ends: 227 [2021-10-24 10:01:19,098 INFO L226 Difference]: Without dead ends: 118 [2021-10-24 10:01:19,102 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:19,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-24 10:01:19,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2021-10-24 10:01:19,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.5565217391304347) internal successors, (179), 116 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2021-10-24 10:01:19,133 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 37 [2021-10-24 10:01:19,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:19,134 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2021-10-24 10:01:19,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2021-10-24 10:01:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-24 10:01:19,139 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:19,140 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:19,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:19,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:19,357 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:19,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:19,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1032935230, now seen corresponding path program 1 times [2021-10-24 10:01:19,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:19,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515515952] [2021-10-24 10:01:19,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:19,359 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:19,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:19,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:19,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:01:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:19,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:01:19,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:19,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:19,903 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:19,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515515952] [2021-10-24 10:01:19,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1515515952] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:19,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:19,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:01:19,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451740196] [2021-10-24 10:01:19,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:01:19,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:19,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:01:19,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:19,906 INFO L87 Difference]: Start difference. First operand 117 states and 179 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:19,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:19,941 INFO L93 Difference]: Finished difference Result 290 states and 447 transitions. [2021-10-24 10:01:19,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:01:19,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-24 10:01:19,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:19,943 INFO L225 Difference]: With dead ends: 290 [2021-10-24 10:01:19,943 INFO L226 Difference]: Without dead ends: 219 [2021-10-24 10:01:19,944 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:19,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-10-24 10:01:19,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 148. [2021-10-24 10:01:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 146 states have (on average 1.6095890410958904) internal successors, (235), 147 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:19,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 235 transitions. [2021-10-24 10:01:19,961 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 235 transitions. Word has length 38 [2021-10-24 10:01:19,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:19,961 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 235 transitions. [2021-10-24 10:01:19,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 235 transitions. [2021-10-24 10:01:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-24 10:01:19,963 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:19,963 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:19,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:20,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:20,177 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:20,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:20,178 INFO L82 PathProgramCache]: Analyzing trace with hash 196922526, now seen corresponding path program 1 times [2021-10-24 10:01:20,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:20,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665205925] [2021-10-24 10:01:20,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:20,179 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:20,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:20,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:20,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:01:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:20,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:01:20,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:20,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:20,757 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:20,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665205925] [2021-10-24 10:01:20,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665205925] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:20,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:20,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:01:20,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478112712] [2021-10-24 10:01:20,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:01:20,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:20,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:01:20,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:20,760 INFO L87 Difference]: Start difference. First operand 148 states and 235 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:20,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:20,808 INFO L93 Difference]: Finished difference Result 474 states and 762 transitions. [2021-10-24 10:01:20,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:01:20,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-10-24 10:01:20,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:20,811 INFO L225 Difference]: With dead ends: 474 [2021-10-24 10:01:20,812 INFO L226 Difference]: Without dead ends: 374 [2021-10-24 10:01:20,812 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:01:20,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-10-24 10:01:20,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 202. [2021-10-24 10:01:20,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 200 states have (on average 1.68) internal successors, (336), 201 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:20,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 336 transitions. [2021-10-24 10:01:20,835 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 336 transitions. Word has length 48 [2021-10-24 10:01:20,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:20,835 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 336 transitions. [2021-10-24 10:01:20,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 336 transitions. [2021-10-24 10:01:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-24 10:01:20,837 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:20,837 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:20,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-24 10:01:21,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:21,051 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:21,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:21,052 INFO L82 PathProgramCache]: Analyzing trace with hash -867360645, now seen corresponding path program 1 times [2021-10-24 10:01:21,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:21,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117107276] [2021-10-24 10:01:21,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:21,053 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:21,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:21,054 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:21,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:01:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:21,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:01:21,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:21,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:21,755 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:21,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117107276] [2021-10-24 10:01:21,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1117107276] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:01:21,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [379090030] [2021-10-24 10:01:21,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:21,756 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:01:21,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:01:21,758 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:01:21,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-24 10:01:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:22,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-24 10:01:22,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:01:22,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:01:22,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [379090030] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:22,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:01:22,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [5, 5] total 22 [2021-10-24 10:01:22,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472007965] [2021-10-24 10:01:22,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-24 10:01:22,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:22,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-24 10:01:22,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-24 10:01:22,865 INFO L87 Difference]: Start difference. First operand 202 states and 336 transitions. Second operand has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:29,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:29,930 INFO L93 Difference]: Finished difference Result 1612 states and 2260 transitions. [2021-10-24 10:01:29,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-24 10:01:29,931 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-24 10:01:29,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:29,941 INFO L225 Difference]: With dead ends: 1612 [2021-10-24 10:01:29,942 INFO L226 Difference]: Without dead ends: 1562 [2021-10-24 10:01:29,947 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3018 ImplicationChecksByTransitivity, 2870.1ms TimeCoverageRelationStatistics Valid=2309, Invalid=7993, Unknown=0, NotChecked=0, Total=10302 [2021-10-24 10:01:29,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2021-10-24 10:01:29,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 295. [2021-10-24 10:01:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 293 states have (on average 1.5972696245733788) internal successors, (468), 294 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:30,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 468 transitions. [2021-10-24 10:01:30,000 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 468 transitions. Word has length 49 [2021-10-24 10:01:30,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:30,001 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 468 transitions. [2021-10-24 10:01:30,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:30,001 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 468 transitions. [2021-10-24 10:01:30,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-24 10:01:30,002 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:30,003 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:30,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:30,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:30,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:30,406 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:30,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:30,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1932642042, now seen corresponding path program 1 times [2021-10-24 10:01:30,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:30,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767186603] [2021-10-24 10:01:30,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:30,408 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:30,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:30,412 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:30,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:01:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:30,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:01:30,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:30,942 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:30,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:31,120 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:31,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767186603] [2021-10-24 10:01:31,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767186603] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:01:31,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1676087645] [2021-10-24 10:01:31,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:31,121 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:01:31,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:01:31,129 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:01:31,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-24 10:01:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:31,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-24 10:01:31,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:31,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:01:31,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:31,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:01:31,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1676087645] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:31,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:01:31,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5, 5] total 12 [2021-10-24 10:01:31,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432378563] [2021-10-24 10:01:31,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:01:31,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:31,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:01:31,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-10-24 10:01:31,972 INFO L87 Difference]: Start difference. First operand 295 states and 468 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:32,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:32,149 INFO L93 Difference]: Finished difference Result 478 states and 721 transitions. [2021-10-24 10:01:32,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 10:01:32,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-10-24 10:01:32,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:32,157 INFO L225 Difference]: With dead ends: 478 [2021-10-24 10:01:32,157 INFO L226 Difference]: Without dead ends: 344 [2021-10-24 10:01:32,159 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 170.9ms TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-10-24 10:01:32,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-10-24 10:01:32,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 282. [2021-10-24 10:01:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 280 states have (on average 1.5964285714285715) internal successors, (447), 281 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 447 transitions. [2021-10-24 10:01:32,203 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 447 transitions. Word has length 50 [2021-10-24 10:01:32,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:32,205 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 447 transitions. [2021-10-24 10:01:32,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:32,206 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 447 transitions. [2021-10-24 10:01:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-24 10:01:32,207 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:32,207 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:32,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:32,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:32,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:32,619 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:32,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:32,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1701439479, now seen corresponding path program 1 times [2021-10-24 10:01:32,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:32,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375874218] [2021-10-24 10:01:32,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:32,620 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:32,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:32,623 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:32,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:01:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:33,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:01:33,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:33,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:33,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:33,354 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:33,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [375874218] [2021-10-24 10:01:33,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [375874218] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:01:33,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2056346103] [2021-10-24 10:01:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:33,355 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:01:33,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:01:33,365 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:01:33,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-24 10:01:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:33,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:01:33,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:34,096 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:01:34,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:01:34,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2056346103] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:34,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:01:34,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 11 [2021-10-24 10:01:34,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454481230] [2021-10-24 10:01:34,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:01:34,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:34,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:01:34,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:01:34,261 INFO L87 Difference]: Start difference. First operand 282 states and 447 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:34,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:34,471 INFO L93 Difference]: Finished difference Result 681 states and 1035 transitions. [2021-10-24 10:01:34,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:01:34,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-10-24 10:01:34,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:34,476 INFO L225 Difference]: With dead ends: 681 [2021-10-24 10:01:34,476 INFO L226 Difference]: Without dead ends: 561 [2021-10-24 10:01:34,477 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 149.4ms TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-24 10:01:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2021-10-24 10:01:34,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 467. [2021-10-24 10:01:34,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 465 states have (on average 1.5763440860215054) internal successors, (733), 466 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 733 transitions. [2021-10-24 10:01:34,542 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 733 transitions. Word has length 50 [2021-10-24 10:01:34,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:34,542 INFO L470 AbstractCegarLoop]: Abstraction has 467 states and 733 transitions. [2021-10-24 10:01:34,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 733 transitions. [2021-10-24 10:01:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-24 10:01:34,544 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:34,544 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:34,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:34,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2021-10-24 10:01:34,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:01:34,970 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:34,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:34,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1224175828, now seen corresponding path program 1 times [2021-10-24 10:01:34,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:34,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709015058] [2021-10-24 10:01:34,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:34,971 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:34,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:34,972 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:34,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-24 10:01:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:35,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:01:35,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:35,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:35,729 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:35,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [709015058] [2021-10-24 10:01:35,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [709015058] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:01:35,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1618962737] [2021-10-24 10:01:35,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:35,730 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:01:35,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:01:35,732 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:01:35,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-24 10:01:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:36,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:01:36,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:01:36,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:01:36,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1618962737] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:36,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:01:36,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 10 [2021-10-24 10:01:36,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924546105] [2021-10-24 10:01:36,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:01:36,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:36,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:01:36,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:01:36,581 INFO L87 Difference]: Start difference. First operand 467 states and 733 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:36,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:36,676 INFO L93 Difference]: Finished difference Result 558 states and 849 transitions. [2021-10-24 10:01:36,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:01:36,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-24 10:01:36,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:36,679 INFO L225 Difference]: With dead ends: 558 [2021-10-24 10:01:36,680 INFO L226 Difference]: Without dead ends: 374 [2021-10-24 10:01:36,680 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 84.7ms TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:01:36,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-10-24 10:01:36,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 339. [2021-10-24 10:01:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 337 states have (on average 1.6083086053412463) internal successors, (542), 338 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 542 transitions. [2021-10-24 10:01:36,719 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 542 transitions. Word has length 52 [2021-10-24 10:01:36,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:36,720 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 542 transitions. [2021-10-24 10:01:36,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 542 transitions. [2021-10-24 10:01:36,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-24 10:01:36,721 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:36,721 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:36,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:36,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:37,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:01:37,136 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:37,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:37,136 INFO L82 PathProgramCache]: Analyzing trace with hash -944544913, now seen corresponding path program 1 times [2021-10-24 10:01:37,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:37,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575263589] [2021-10-24 10:01:37,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:37,137 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:37,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:37,139 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:37,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-24 10:01:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:37,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:01:37,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:37,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:01:37,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:01:37,852 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:37,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575263589] [2021-10-24 10:01:37,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575263589] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:37,853 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:37,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:01:37,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913914337] [2021-10-24 10:01:37,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:01:37,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:37,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:01:37,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:37,855 INFO L87 Difference]: Start difference. First operand 339 states and 542 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:37,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:37,934 INFO L93 Difference]: Finished difference Result 911 states and 1458 transitions. [2021-10-24 10:01:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:01:37,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-24 10:01:37,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:37,940 INFO L225 Difference]: With dead ends: 911 [2021-10-24 10:01:37,940 INFO L226 Difference]: Without dead ends: 598 [2021-10-24 10:01:37,941 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:37,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2021-10-24 10:01:37,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 453. [2021-10-24 10:01:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 451 states have (on average 1.6541019955654102) internal successors, (746), 452 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 746 transitions. [2021-10-24 10:01:37,997 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 746 transitions. Word has length 57 [2021-10-24 10:01:37,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:37,998 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 746 transitions. [2021-10-24 10:01:37,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 746 transitions. [2021-10-24 10:01:38,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 10:01:38,000 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:38,000 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:38,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:38,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:38,215 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:38,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:38,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1173566898, now seen corresponding path program 1 times [2021-10-24 10:01:38,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:38,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704845153] [2021-10-24 10:01:38,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:38,216 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:38,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:38,217 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:38,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-24 10:01:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:38,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:01:38,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:01:38,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:01:38,924 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:38,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704845153] [2021-10-24 10:01:38,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704845153] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:38,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:38,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:01:38,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095378056] [2021-10-24 10:01:38,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:01:38,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:38,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:01:38,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:38,926 INFO L87 Difference]: Start difference. First operand 453 states and 746 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:39,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:39,016 INFO L93 Difference]: Finished difference Result 855 states and 1346 transitions. [2021-10-24 10:01:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:01:39,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-24 10:01:39,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:39,021 INFO L225 Difference]: With dead ends: 855 [2021-10-24 10:01:39,021 INFO L226 Difference]: Without dead ends: 569 [2021-10-24 10:01:39,022 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:39,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-10-24 10:01:39,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 424. [2021-10-24 10:01:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 422 states have (on average 1.6350710900473933) internal successors, (690), 423 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:39,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 690 transitions. [2021-10-24 10:01:39,070 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 690 transitions. Word has length 58 [2021-10-24 10:01:39,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:39,070 INFO L470 AbstractCegarLoop]: Abstraction has 424 states and 690 transitions. [2021-10-24 10:01:39,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 690 transitions. [2021-10-24 10:01:39,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 10:01:39,072 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:39,072 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:39,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:39,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:39,290 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:39,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:39,291 INFO L82 PathProgramCache]: Analyzing trace with hash 328528683, now seen corresponding path program 1 times [2021-10-24 10:01:39,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:39,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318843165] [2021-10-24 10:01:39,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:39,292 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:39,293 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:39,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-24 10:01:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:39,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:01:39,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:01:39,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:01:40,112 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:40,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318843165] [2021-10-24 10:01:40,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318843165] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:40,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:40,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:01:40,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77791083] [2021-10-24 10:01:40,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:01:40,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:40,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:01:40,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:40,118 INFO L87 Difference]: Start difference. First operand 424 states and 690 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:40,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:40,212 INFO L93 Difference]: Finished difference Result 1181 states and 1940 transitions. [2021-10-24 10:01:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:01:40,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-24 10:01:40,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:40,218 INFO L225 Difference]: With dead ends: 1181 [2021-10-24 10:01:40,218 INFO L226 Difference]: Without dead ends: 787 [2021-10-24 10:01:40,219 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:40,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2021-10-24 10:01:40,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 642. [2021-10-24 10:01:40,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 640 states have (on average 1.6859375) internal successors, (1079), 641 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1079 transitions. [2021-10-24 10:01:40,294 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1079 transitions. Word has length 58 [2021-10-24 10:01:40,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:40,294 INFO L470 AbstractCegarLoop]: Abstraction has 642 states and 1079 transitions. [2021-10-24 10:01:40,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1079 transitions. [2021-10-24 10:01:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-24 10:01:40,296 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:40,297 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:40,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:40,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:40,511 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:40,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:40,512 INFO L82 PathProgramCache]: Analyzing trace with hash 87613521, now seen corresponding path program 1 times [2021-10-24 10:01:40,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:40,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [228800907] [2021-10-24 10:01:40,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:40,513 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:40,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:40,514 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:40,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-24 10:01:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:41,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:01:41,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:01:41,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:41,319 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:01:41,319 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:41,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [228800907] [2021-10-24 10:01:41,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [228800907] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:41,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:41,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:01:41,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430385329] [2021-10-24 10:01:41,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:01:41,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:41,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:01:41,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:41,321 INFO L87 Difference]: Start difference. First operand 642 states and 1079 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:41,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:41,434 INFO L93 Difference]: Finished difference Result 1821 states and 3085 transitions. [2021-10-24 10:01:41,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:01:41,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-10-24 10:01:41,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:41,441 INFO L225 Difference]: With dead ends: 1821 [2021-10-24 10:01:41,441 INFO L226 Difference]: Without dead ends: 1213 [2021-10-24 10:01:41,443 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:41,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2021-10-24 10:01:41,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1068. [2021-10-24 10:01:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1066 states have (on average 1.7185741088180113) internal successors, (1832), 1067 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1832 transitions. [2021-10-24 10:01:41,573 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1832 transitions. Word has length 59 [2021-10-24 10:01:41,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:41,573 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1832 transitions. [2021-10-24 10:01:41,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:41,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1832 transitions. [2021-10-24 10:01:41,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-24 10:01:41,577 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:41,578 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:41,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:41,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:41,779 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:41,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:41,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1318592951, now seen corresponding path program 1 times [2021-10-24 10:01:41,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:41,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [72434997] [2021-10-24 10:01:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:41,780 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:41,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:41,781 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:41,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-24 10:01:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:42,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:01:42,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:01:42,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:01:42,595 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:42,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [72434997] [2021-10-24 10:01:42,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [72434997] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:42,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:01:42,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:01:42,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083837461] [2021-10-24 10:01:42,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:01:42,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:42,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:01:42,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:42,597 INFO L87 Difference]: Start difference. First operand 1068 states and 1832 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:42,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:42,770 INFO L93 Difference]: Finished difference Result 3077 states and 5306 transitions. [2021-10-24 10:01:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:01:42,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-24 10:01:42,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:42,783 INFO L225 Difference]: With dead ends: 3077 [2021-10-24 10:01:42,783 INFO L226 Difference]: Without dead ends: 2047 [2021-10-24 10:01:42,785 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:01:42,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2021-10-24 10:01:42,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 1902. [2021-10-24 10:01:42,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1900 states have (on average 1.7310526315789474) internal successors, (3289), 1901 states have internal predecessors, (3289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 3289 transitions. [2021-10-24 10:01:42,955 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 3289 transitions. Word has length 60 [2021-10-24 10:01:42,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:42,955 INFO L470 AbstractCegarLoop]: Abstraction has 1902 states and 3289 transitions. [2021-10-24 10:01:42,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3289 transitions. [2021-10-24 10:01:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-24 10:01:42,959 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:01:42,960 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:01:42,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:43,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:01:43,174 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:01:43,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:01:43,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1559369011, now seen corresponding path program 1 times [2021-10-24 10:01:43,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:01:43,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774277095] [2021-10-24 10:01:43,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:43,175 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:01:43,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:01:43,177 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:01:43,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-24 10:01:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:43,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:01:43,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:43,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:43,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:01:44,130 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:01:44,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774277095] [2021-10-24 10:01:44,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774277095] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:01:44,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1325908316] [2021-10-24 10:01:44,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:01:44,131 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:01:44,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:01:44,136 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:01:44,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-24 10:01:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:01:44,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:01:44,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:01:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:01:45,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:01:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:01:45,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1325908316] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:01:45,181 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:01:45,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [5, 5] total 13 [2021-10-24 10:01:45,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029611631] [2021-10-24 10:01:45,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-24 10:01:45,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:01:45,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-24 10:01:45,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-24 10:01:45,183 INFO L87 Difference]: Start difference. First operand 1902 states and 3289 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:45,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:01:45,390 INFO L93 Difference]: Finished difference Result 1933 states and 3331 transitions. [2021-10-24 10:01:45,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:01:45,391 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-10-24 10:01:45,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:01:45,392 INFO L225 Difference]: With dead ends: 1933 [2021-10-24 10:01:45,392 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:01:45,396 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 121.6ms TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-10-24 10:01:45,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:01:45,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:01:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:01:45,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-10-24 10:01:45,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:01:45,398 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:01:45,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:01:45,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:01:45,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:01:45,402 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:01:45,403 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:01:45,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:45,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-10-24 10:01:45,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:01:45,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:01:45,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:45,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:46,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:46,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:46,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:46,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:46,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:47,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:48,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:49,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:50,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:50,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:50,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:50,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:50,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:50,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:01:58,673 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-10-24 10:01:58,673 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))) [2021-10-24 10:01:58,673 INFO L857 garLoopResultBuilder]: For program point L2216(lines 2216 2228) no Hoare annotation was computed. [2021-10-24 10:01:58,674 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)) [2021-10-24 10:01:58,674 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)) [2021-10-24 10:01:58,674 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)) [2021-10-24 10:01:58,674 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))) [2021-10-24 10:01:58,674 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)) [2021-10-24 10:01:58,675 INFO L857 garLoopResultBuilder]: For program point L2219(lines 2219 2227) no Hoare annotation was computed. [2021-10-24 10:01:58,675 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))) [2021-10-24 10:01:58,675 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 511) no Hoare annotation was computed. [2021-10-24 10:01:58,675 INFO L857 garLoopResultBuilder]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2021-10-24 10:01:58,675 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)) [2021-10-24 10:01:58,675 INFO L857 garLoopResultBuilder]: For program point L503-4(lines 503 511) no Hoare annotation was computed. [2021-10-24 10:01:58,676 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)) [2021-10-24 10:01:58,676 INFO L857 garLoopResultBuilder]: For program point L2222(lines 2222 2226) no Hoare annotation was computed. [2021-10-24 10:01:58,676 INFO L857 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-10-24 10:01:58,676 INFO L857 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2021-10-24 10:01:58,676 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)) [2021-10-24 10:01:58,676 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))) [2021-10-24 10:01:58,677 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))) [2021-10-24 10:01:58,677 INFO L860 garLoopResultBuilder]: At program point L2487-3(lines 2482 2490) the Hoare annotation is: true [2021-10-24 10:01:58,677 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)) [2021-10-24 10:01:58,677 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 311) no Hoare annotation was computed. [2021-10-24 10:01:58,677 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)) [2021-10-24 10:01:58,678 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 278) no Hoare annotation was computed. [2021-10-24 10:01:58,678 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))) [2021-10-24 10:01:58,678 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))) [2021-10-24 10:01:58,678 INFO L860 garLoopResultBuilder]: At program point L208-1(lines 1183 1200) the Hoare annotation is: true [2021-10-24 10:01:58,678 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 510) no Hoare annotation was computed. [2021-10-24 10:01:58,679 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)) [2021-10-24 10:01:58,679 INFO L857 garLoopResultBuilder]: For program point L506-3(lines 506 510) no Hoare annotation was computed. [2021-10-24 10:01:58,679 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)) [2021-10-24 10:01:58,679 INFO L857 garLoopResultBuilder]: For program point L506-6(lines 506 510) no Hoare annotation was computed. [2021-10-24 10:01:58,679 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))) [2021-10-24 10:01:58,680 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 548) no Hoare annotation was computed. [2021-10-24 10:01:58,680 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 548) no Hoare annotation was computed. [2021-10-24 10:01:58,680 INFO L857 garLoopResultBuilder]: For program point L540-4(lines 540 548) no Hoare annotation was computed. [2021-10-24 10:01:58,680 INFO L857 garLoopResultBuilder]: For program point L2192(lines 2192 2208) no Hoare annotation was computed. [2021-10-24 10:01:58,680 INFO L857 garLoopResultBuilder]: For program point L2192-1(lines 2192 2208) no Hoare annotation was computed. [2021-10-24 10:01:58,680 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-10-24 10:01:58,681 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2021-10-24 10:01:58,681 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)) [2021-10-24 10:01:58,681 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 547) no Hoare annotation was computed. [2021-10-24 10:01:58,681 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)) [2021-10-24 10:01:58,681 INFO L857 garLoopResultBuilder]: For program point L543-3(lines 543 547) no Hoare annotation was computed. [2021-10-24 10:01:58,681 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))) [2021-10-24 10:01:58,682 INFO L857 garLoopResultBuilder]: For program point L543-6(lines 543 547) no Hoare annotation was computed. [2021-10-24 10:01:58,682 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)) [2021-10-24 10:01:58,682 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)) [2021-10-24 10:01:58,682 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)) [2021-10-24 10:01:58,682 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 188) no Hoare annotation was computed. [2021-10-24 10:01:58,683 INFO L857 garLoopResultBuilder]: For program point L2196(lines 2196 2207) no Hoare annotation was computed. [2021-10-24 10:01:58,683 INFO L860 garLoopResultBuilder]: At program point L181-1(lines 181 188) the Hoare annotation is: true [2021-10-24 10:01:58,683 INFO L857 garLoopResultBuilder]: For program point L2196-1(lines 2196 2207) no Hoare annotation was computed. [2021-10-24 10:01:58,683 INFO L857 garLoopResultBuilder]: For program point L2263(lines 2263 2275) no Hoare annotation was computed. [2021-10-24 10:01:58,683 INFO L857 garLoopResultBuilder]: For program point L2263-2(lines 2263 2275) no Hoare annotation was computed. [2021-10-24 10:01:58,683 INFO L857 garLoopResultBuilder]: For program point L2263-4(lines 2263 2275) no Hoare annotation was computed. [2021-10-24 10:01:58,683 INFO L857 garLoopResultBuilder]: For program point L447(lines 447 458) no Hoare annotation was computed. [2021-10-24 10:01:58,684 INFO L857 garLoopResultBuilder]: For program point L447-1(lines 447 458) no Hoare annotation was computed. [2021-10-24 10:01:58,684 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)) [2021-10-24 10:01:58,684 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:01:58,684 INFO L857 garLoopResultBuilder]: For program point L2266(lines 2266 2274) no Hoare annotation was computed. [2021-10-24 10:01:58,684 INFO L857 garLoopResultBuilder]: For program point L2266-2(lines 2266 2274) no Hoare annotation was computed. [2021-10-24 10:01:58,684 INFO L857 garLoopResultBuilder]: For program point L2200(lines 2200 2206) no Hoare annotation was computed. [2021-10-24 10:01:58,685 INFO L857 garLoopResultBuilder]: For program point L2266-4(lines 2266 2274) no Hoare annotation was computed. [2021-10-24 10:01:58,685 INFO L857 garLoopResultBuilder]: For program point L2200-1(lines 2200 2206) no Hoare annotation was computed. [2021-10-24 10:01:58,685 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 325) no Hoare annotation was computed. [2021-10-24 10:01:58,685 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))) [2021-10-24 10:01:58,685 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 289) no Hoare annotation was computed. [2021-10-24 10:01:58,685 INFO L857 garLoopResultBuilder]: For program point L252(lines 251 394) no Hoare annotation was computed. [2021-10-24 10:01:58,686 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 495) no Hoare annotation was computed. [2021-10-24 10:01:58,686 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2021-10-24 10:01:58,686 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 484 495) no Hoare annotation was computed. [2021-10-24 10:01:58,686 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2021-10-24 10:01:58,686 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-10-24 10:01:58,686 INFO L857 garLoopResultBuilder]: For program point L2269(lines 2269 2273) no Hoare annotation was computed. [2021-10-24 10:01:58,687 INFO L857 garLoopResultBuilder]: For program point L2269-3(lines 2269 2273) no Hoare annotation was computed. [2021-10-24 10:01:58,687 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))) [2021-10-24 10:01:58,687 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)) [2021-10-24 10:01:58,687 INFO L857 garLoopResultBuilder]: For program point L2269-6(lines 2269 2273) no Hoare annotation was computed. [2021-10-24 10:01:58,687 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)) [2021-10-24 10:01:58,687 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 358) no Hoare annotation was computed. [2021-10-24 10:01:58,688 INFO L860 garLoopResultBuilder]: At program point L189(lines 171 191) the Hoare annotation is: true [2021-10-24 10:01:58,688 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:01:58,688 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))) [2021-10-24 10:01:58,688 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)) [2021-10-24 10:01:58,688 INFO L857 garLoopResultBuilder]: For program point L521(lines 521 532) no Hoare annotation was computed. [2021-10-24 10:01:58,688 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2021-10-24 10:01:58,689 INFO L857 garLoopResultBuilder]: For program point L521-1(lines 521 532) no Hoare annotation was computed. [2021-10-24 10:01:58,689 INFO L857 garLoopResultBuilder]: For program point L521-2(lines 521 532) no Hoare annotation was computed. [2021-10-24 10:01:58,689 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2021-10-24 10:01:58,689 INFO L857 garLoopResultBuilder]: For program point L521-3(lines 521 532) no Hoare annotation was computed. [2021-10-24 10:01:58,689 INFO L857 garLoopResultBuilder]: For program point L2239-1(lines 2239 2255) no Hoare annotation was computed. [2021-10-24 10:01:58,689 INFO L857 garLoopResultBuilder]: For program point L2239(lines 2239 2255) no Hoare annotation was computed. [2021-10-24 10:01:58,689 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 133) no Hoare annotation was computed. [2021-10-24 10:01:58,690 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))) [2021-10-24 10:01:58,690 INFO L860 garLoopResultBuilder]: At program point L456-1(lines 443 461) the Hoare annotation is: true [2021-10-24 10:01:58,690 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)) [2021-10-24 10:01:58,690 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))) [2021-10-24 10:01:58,690 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 393) no Hoare annotation was computed. [2021-10-24 10:01:58,691 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:01:58,691 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 531) no Hoare annotation was computed. [2021-10-24 10:01:58,691 INFO L857 garLoopResultBuilder]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2021-10-24 10:01:58,691 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 531) no Hoare annotation was computed. [2021-10-24 10:01:58,691 INFO L857 garLoopResultBuilder]: For program point L525-3(lines 525 531) no Hoare annotation was computed. [2021-10-24 10:01:58,691 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))) [2021-10-24 10:01:58,692 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)) [2021-10-24 10:01:58,692 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)) [2021-10-24 10:01:58,692 INFO L857 garLoopResultBuilder]: For program point L2243-1(lines 2243 2254) no Hoare annotation was computed. [2021-10-24 10:01:58,692 INFO L857 garLoopResultBuilder]: For program point L2243(lines 2243 2254) no Hoare annotation was computed. [2021-10-24 10:01:58,692 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))) [2021-10-24 10:01:58,692 INFO L860 garLoopResultBuilder]: At program point L493-1(lines 480 498) the Hoare annotation is: true [2021-10-24 10:01:58,693 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)) [2021-10-24 10:01:58,693 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 300) no Hoare annotation was computed. [2021-10-24 10:01:58,693 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 267) no Hoare annotation was computed. [2021-10-24 10:01:58,693 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:01:58,693 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-10-24 10:01:58,694 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))) [2021-10-24 10:01:58,694 INFO L857 garLoopResultBuilder]: For program point L2345(lines 2345 2352) no Hoare annotation was computed. [2021-10-24 10:01:58,694 INFO L857 garLoopResultBuilder]: For program point L2345-2(lines 2345 2352) no Hoare annotation was computed. [2021-10-24 10:01:58,694 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)) [2021-10-24 10:01:58,694 INFO L857 garLoopResultBuilder]: For program point L2247-1(lines 2247 2253) no Hoare annotation was computed. [2021-10-24 10:01:58,694 INFO L857 garLoopResultBuilder]: For program point L2247(lines 2247 2253) no Hoare annotation was computed. [2021-10-24 10:01:58,695 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)) [2021-10-24 10:01:58,695 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))) [2021-10-24 10:01:58,695 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))) [2021-10-24 10:01:58,695 INFO L860 garLoopResultBuilder]: At program point L530-3(lines 517 535) the Hoare annotation is: true [2021-10-24 10:01:58,695 INFO L860 garLoopResultBuilder]: At program point L2479-1(lines 2454 2481) the Hoare annotation is: true [2021-10-24 10:01:58,695 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))) [2021-10-24 10:01:58,696 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 369) no Hoare annotation was computed. [2021-10-24 10:01:58,696 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2021-10-24 10:01:58,696 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1197) no Hoare annotation was computed. [2021-10-24 10:01:58,696 INFO L857 garLoopResultBuilder]: For program point L1191-2(lines 1191 1197) no Hoare annotation was computed. [2021-10-24 10:01:58,701 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:01:58,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:01:58 BoogieIcfgContainer [2021-10-24 10:01:58,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:01:58,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:01:58,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:01:58,770 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:01:58,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:01:16" (3/4) ... [2021-10-24 10:01:58,773 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:01:58,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-10-24 10:01:58,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-10-24 10:01:58,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:01:58,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:01:58,809 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:01:58,811 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:01:58,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-10-24 10:01:58,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-10-24 10:01:58,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 2bv32 == rjh) && 2bv32 == handle [2021-10-24 10:01:58,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,857 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,857 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == \result) && fwreceiver == 0bv32) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((msg == 1bv32 && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((\result == 1bv32 && 2bv32 == __ste_email_to0) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && tmp == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 10:01:58,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 10:01:58,951 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:01:58,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:01:58,953 INFO L168 Benchmark]: Toolchain (without parser) took 46598.22 ms. Allocated memory was 58.7 MB in the beginning and 299.9 MB in the end (delta: 241.2 MB). Free memory was 34.7 MB in the beginning and 128.5 MB in the end (delta: -93.8 MB). Peak memory consumption was 148.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:58,953 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:01:58,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.42 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 34.4 MB in the beginning and 52.4 MB in the end (delta: -18.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:58,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.05 ms. Allocated memory is still 75.5 MB. Free memory was 52.4 MB in the beginning and 47.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:58,955 INFO L168 Benchmark]: Boogie Preprocessor took 107.88 ms. Allocated memory is still 75.5 MB. Free memory was 47.2 MB in the beginning and 44.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:58,955 INFO L168 Benchmark]: RCFGBuilder took 3106.99 ms. Allocated memory was 75.5 MB in the beginning and 117.4 MB in the end (delta: 41.9 MB). Free memory was 43.8 MB in the beginning and 73.1 MB in the end (delta: -29.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:58,956 INFO L168 Benchmark]: TraceAbstraction took 42214.20 ms. Allocated memory was 117.4 MB in the beginning and 299.9 MB in the end (delta: 182.5 MB). Free memory was 73.1 MB in the beginning and 144.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 167.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:58,956 INFO L168 Benchmark]: Witness Printer took 181.97 ms. Allocated memory is still 299.9 MB. Free memory was 144.2 MB in the beginning and 128.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:01:58,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 40.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 863.42 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 34.4 MB in the beginning and 52.4 MB in the end (delta: -18.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.05 ms. Allocated memory is still 75.5 MB. Free memory was 52.4 MB in the beginning and 47.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 107.88 ms. Allocated memory is still 75.5 MB. Free memory was 47.2 MB in the beginning and 44.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3106.99 ms. Allocated memory was 75.5 MB in the beginning and 117.4 MB in the end (delta: 41.9 MB). Free memory was 43.8 MB in the beginning and 73.1 MB in the end (delta: -29.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 42214.20 ms. Allocated memory was 117.4 MB in the beginning and 299.9 MB in the end (delta: 182.5 MB). Free memory was 73.1 MB in the beginning and 144.2 MB in the end (delta: -71.2 MB). Peak memory consumption was 167.6 MB. Max. memory is 16.1 GB. * Witness Printer took 181.97 ms. Allocated memory is still 299.9 MB. Free memory was 144.2 MB in the beginning and 128.5 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 42084.5ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 38.2ms, AutomataDifference: 8740.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 12854.4ms, InitialAbstractionConstructionTime: 13.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3048 SDtfs, 6139 SDslu, 5245 SDs, 0 SdLazy, 477 SolverSat, 97 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4204.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2068 GetRequests, 1906 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3076 ImplicationChecksByTransitivity, 3443.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1902occurred in iteration=14, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 795.5ms AutomataMinimizationTime, 15 MinimizatonAttempts, 2531 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 937 NumberOfFragments, 1567 HoareAnnotationTreeSize, 54 FomulaSimplifications, 22032035 FormulaSimplificationTreeSizeReduction, 4540.3ms HoareSimplificationTime, 54 FomulaSimplificationsInter, 191437 FormulaSimplificationTreeSizeReductionInter, 8290.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 965.2ms SsaConstructionTime, 2405.3ms SatisfiabilityAnalysisTime, 6276.6ms 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! [2021-10-24 10:01:59,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33800f4-d0a7-41a0-beaa-b8eedda2961e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...