./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/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_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs --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 a740385338160f890b2c38dad2319e0f12875ae0 ............................................................................................................................................ 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_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/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_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs --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 a740385338160f890b2c38dad2319e0f12875ae0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:39:15,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:39:15,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:39:15,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:39:15,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:39:15,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:39:15,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:39:15,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:39:15,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:39:15,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:39:15,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:39:15,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:39:15,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:39:15,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:39:15,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:39:15,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:39:15,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:39:15,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:39:15,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:39:15,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:39:15,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:39:15,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:39:15,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:39:15,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:39:15,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:39:15,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:39:15,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:39:15,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:39:15,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:39:15,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:39:15,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:39:15,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:39:15,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:39:15,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:39:15,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:39:15,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:39:15,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:39:15,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:39:15,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:39:15,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:39:15,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:39:15,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:39:15,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:39:15,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:39:15,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:39:15,893 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:39:15,893 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:39:15,893 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:39:15,893 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:39:15,894 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:39:15,894 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:39:15,894 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:39:15,895 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:39:15,896 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:39:15,896 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:39:15,896 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:39:15,896 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:39:15,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:39:15,898 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:39:15,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:39:15,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:39:15,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:39:15,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:39:15,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:39:15,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:39:15,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:39:15,900 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:39:15,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:39:15,900 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:39:15,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:39:15,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:39:15,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:39:15,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:39:15,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:39:15,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:39:15,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:39:15,902 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:39:15,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:39:15,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:39:15,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:39:15,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:39:15,904 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_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a740385338160f890b2c38dad2319e0f12875ae0 [2021-10-16 02:39:16,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:39:16,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:39:16,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:39:16,253 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:39:16,254 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:39:16,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-16 02:39:16,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/data/2abbaab6d/f2418a6f7c9744019afe2512522d5a31/FLAGbc2eec8ef [2021-10-16 02:39:16,888 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:39:16,889 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-16 02:39:16,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/data/2abbaab6d/f2418a6f7c9744019afe2512522d5a31/FLAGbc2eec8ef [2021-10-16 02:39:17,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/data/2abbaab6d/f2418a6f7c9744019afe2512522d5a31 [2021-10-16 02:39:17,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:39:17,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:39:17,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:39:17,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:39:17,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:39:17,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:39:17" (1/1) ... [2021-10-16 02:39:17,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53837317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:17, skipping insertion in model container [2021-10-16 02:39:17,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:39:17" (1/1) ... [2021-10-16 02:39:17,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:39:17,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:39:17,519 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_64397366-b65f-46bf-891f-506dccac0311/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-10-16 02:39:17,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:39:17,861 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) [2021-10-16 02:39:17,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e692224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:17, skipping insertion in model container [2021-10-16 02:39:17,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:39:17,863 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:39:17,866 INFO L168 Benchmark]: Toolchain (without parser) took 715.37 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 44.5 MB in the beginning and 72.0 MB in the end (delta: -27.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:39:17,868 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:39:17,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.99 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 44.3 MB in the beginning and 72.0 MB in the end (delta: -27.7 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:39:17,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory is still 63.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 711.99 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 44.3 MB in the beginning and 72.0 MB in the end (delta: -27.7 MB). Peak memory consumption was 6.4 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-5709675 [2021-10-16 02:39:20,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:39:20,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:39:20,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:39:20,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:39:20,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:39:20,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:39:20,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:39:20,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:39:20,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:39:20,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:39:20,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:39:20,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:39:20,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:39:20,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:39:20,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:39:20,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:39:20,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:39:20,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:39:20,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:39:20,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:39:20,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:39:20,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:39:20,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:39:20,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:39:20,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:39:20,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:39:20,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:39:20,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:39:20,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:39:20,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:39:20,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:39:20,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:39:20,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:39:20,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:39:20,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:39:20,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:39:20,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:39:20,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:39:20,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:39:20,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:39:20,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:39:20,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:39:20,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:39:20,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:39:20,469 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:39:20,469 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:39:20,469 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:39:20,470 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:39:20,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:39:20,470 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:39:20,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:39:20,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:39:20,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:39:20,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:39:20,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:39:20,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:39:20,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:39:20,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:39:20,475 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:39:20,475 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:39:20,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:39:20,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:39:20,476 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:39:20,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:39:20,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:39:20,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:39:20,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:39:20,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:39:20,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:39:20,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:39:20,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:39:20,478 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:39:20,478 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:39:20,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:39:20,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:39:20,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:39:20,479 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_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a740385338160f890b2c38dad2319e0f12875ae0 [2021-10-16 02:39:20,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:39:20,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:39:20,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:39:20,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:39:20,969 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:39:20,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-16 02:39:21,057 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/data/7175ca9ad/d8bb56a0dc214c27900b85e10eb7e62d/FLAG467776d04 [2021-10-16 02:39:21,843 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:39:21,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-16 02:39:21,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/data/7175ca9ad/d8bb56a0dc214c27900b85e10eb7e62d/FLAG467776d04 [2021-10-16 02:39:22,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/data/7175ca9ad/d8bb56a0dc214c27900b85e10eb7e62d [2021-10-16 02:39:22,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:39:22,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:39:22,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:39:22,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:39:22,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:39:22,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:39:22" (1/1) ... [2021-10-16 02:39:22,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a860f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:22, skipping insertion in model container [2021-10-16 02:39:22,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:39:22" (1/1) ... [2021-10-16 02:39:22,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:39:22,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:39:22,438 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_64397366-b65f-46bf-891f-506dccac0311/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-10-16 02:39:22,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:39:22,839 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:39:22,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:39:22,882 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_64397366-b65f-46bf-891f-506dccac0311/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-10-16 02:39:23,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:39:23,037 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:39:23,065 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_64397366-b65f-46bf-891f-506dccac0311/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-10-16 02:39:23,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:39:23,174 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:39:23,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23 WrapperNode [2021-10-16 02:39:23,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:39:23,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:39:23,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:39:23,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:39:23,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23" (1/1) ... [2021-10-16 02:39:23,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23" (1/1) ... [2021-10-16 02:39:23,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:39:23,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:39:23,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:39:23,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:39:23,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23" (1/1) ... [2021-10-16 02:39:23,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23" (1/1) ... [2021-10-16 02:39:23,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23" (1/1) ... [2021-10-16 02:39:23,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23" (1/1) ... [2021-10-16 02:39:23,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23" (1/1) ... [2021-10-16 02:39:23,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23" (1/1) ... [2021-10-16 02:39:23,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23" (1/1) ... [2021-10-16 02:39:23,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:39:23,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:39:23,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:39:23,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:39:23,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23" (1/1) ... [2021-10-16 02:39:23,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:39:23,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:39:23,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:39:23,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:39:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-16 02:39:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:39:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:39:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:39:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:39:26,340 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:39:26,340 INFO L299 CfgBuilder]: Removed 127 assume(true) statements. [2021-10-16 02:39:26,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:39:26 BoogieIcfgContainer [2021-10-16 02:39:26,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:39:26,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:39:26,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:39:26,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:39:26,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:39:22" (1/3) ... [2021-10-16 02:39:26,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525db40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:39:26, skipping insertion in model container [2021-10-16 02:39:26,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:39:23" (2/3) ... [2021-10-16 02:39:26,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525db40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:39:26, skipping insertion in model container [2021-10-16 02:39:26,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:39:26" (3/3) ... [2021-10-16 02:39:26,355 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product05.cil.c [2021-10-16 02:39:26,361 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:39:26,361 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 02:39:26,428 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:39:26,437 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:39:26,438 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-16 02:39:26,458 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) [2021-10-16 02:39:26,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-16 02:39:26,465 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:26,466 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] [2021-10-16 02:39:26,466 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:26,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:26,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1721357046, now seen corresponding path program 1 times [2021-10-16 02:39:26,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:26,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751996107] [2021-10-16 02:39:26,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:26,490 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:26,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:26,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:26,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:39:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:26,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:39:26,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:27,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:27,130 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:27,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751996107] [2021-10-16 02:39:27,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [751996107] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:27,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:39:27,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:39:27,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260887167] [2021-10-16 02:39:27,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:39:27,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:27,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:39:27,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:39:27,164 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) [2021-10-16 02:39:27,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:27,197 INFO L93 Difference]: Finished difference Result 221 states and 347 transitions. [2021-10-16 02:39:27,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:39:27,198 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 [2021-10-16 02:39:27,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:27,210 INFO L225 Difference]: With dead ends: 221 [2021-10-16 02:39:27,210 INFO L226 Difference]: Without dead ends: 118 [2021-10-16 02:39:27,214 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:39:27,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-16 02:39:27,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-16 02:39:27,257 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) [2021-10-16 02:39:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 187 transitions. [2021-10-16 02:39:27,261 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 187 transitions. Word has length 34 [2021-10-16 02:39:27,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:27,262 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 187 transitions. [2021-10-16 02:39:27,262 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) [2021-10-16 02:39:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2021-10-16 02:39:27,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-16 02:39:27,264 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:27,264 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] [2021-10-16 02:39:27,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:27,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:27,478 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:27,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:27,479 INFO L82 PathProgramCache]: Analyzing trace with hash -122239248, now seen corresponding path program 1 times [2021-10-16 02:39:27,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:27,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618817342] [2021-10-16 02:39:27,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:27,480 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:27,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:27,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:27,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:39:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:27,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:39:27,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:27,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:28,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:28,042 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:28,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618817342] [2021-10-16 02:39:28,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618817342] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:28,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:39:28,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:39:28,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165400678] [2021-10-16 02:39:28,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:39:28,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:28,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:39:28,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:39:28,049 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) [2021-10-16 02:39:28,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:28,149 INFO L93 Difference]: Finished difference Result 328 states and 520 transitions. [2021-10-16 02:39:28,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:39:28,150 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 [2021-10-16 02:39:28,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:28,153 INFO L225 Difference]: With dead ends: 328 [2021-10-16 02:39:28,156 INFO L226 Difference]: Without dead ends: 221 [2021-10-16 02:39:28,158 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:39:28,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-10-16 02:39:28,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 117. [2021-10-16 02:39:28,191 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) [2021-10-16 02:39:28,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 182 transitions. [2021-10-16 02:39:28,194 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 182 transitions. Word has length 35 [2021-10-16 02:39:28,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:28,195 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 182 transitions. [2021-10-16 02:39:28,195 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) [2021-10-16 02:39:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2021-10-16 02:39:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-16 02:39:28,203 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:28,206 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] [2021-10-16 02:39:28,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:28,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:28,423 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:28,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:28,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1018177341, now seen corresponding path program 1 times [2021-10-16 02:39:28,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:28,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449232133] [2021-10-16 02:39:28,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:28,425 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:28,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:28,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:28,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:39:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:28,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:39:28,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:28,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:28,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:28,976 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:28,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449232133] [2021-10-16 02:39:28,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1449232133] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:28,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:39:28,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:39:28,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872330910] [2021-10-16 02:39:28,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:39:28,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:28,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:39:28,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:39:28,980 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) [2021-10-16 02:39:29,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:29,054 INFO L93 Difference]: Finished difference Result 227 states and 354 transitions. [2021-10-16 02:39:29,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:39:29,055 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 [2021-10-16 02:39:29,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:29,058 INFO L225 Difference]: With dead ends: 227 [2021-10-16 02:39:29,058 INFO L226 Difference]: Without dead ends: 118 [2021-10-16 02:39:29,062 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:39:29,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-16 02:39:29,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2021-10-16 02:39:29,091 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) [2021-10-16 02:39:29,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2021-10-16 02:39:29,092 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 37 [2021-10-16 02:39:29,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:29,093 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2021-10-16 02:39:29,095 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) [2021-10-16 02:39:29,095 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2021-10-16 02:39:29,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-16 02:39:29,098 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:29,099 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] [2021-10-16 02:39:29,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:29,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:29,314 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:29,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:29,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1032935230, now seen corresponding path program 1 times [2021-10-16 02:39:29,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:29,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020827230] [2021-10-16 02:39:29,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:29,316 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:29,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:29,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:29,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:39:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:29,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:39:29,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:29,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:29,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:29,863 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:29,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020827230] [2021-10-16 02:39:29,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2020827230] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:29,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:39:29,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:39:29,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626685685] [2021-10-16 02:39:29,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:39:29,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:29,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:39:29,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:39:29,866 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) [2021-10-16 02:39:29,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:29,926 INFO L93 Difference]: Finished difference Result 290 states and 447 transitions. [2021-10-16 02:39:29,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:39:29,927 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 [2021-10-16 02:39:29,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:29,929 INFO L225 Difference]: With dead ends: 290 [2021-10-16 02:39:29,929 INFO L226 Difference]: Without dead ends: 219 [2021-10-16 02:39:29,930 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:39:29,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-10-16 02:39:29,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 148. [2021-10-16 02:39:29,945 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) [2021-10-16 02:39:29,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 235 transitions. [2021-10-16 02:39:29,946 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 235 transitions. Word has length 38 [2021-10-16 02:39:29,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:29,947 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 235 transitions. [2021-10-16 02:39:29,947 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) [2021-10-16 02:39:29,947 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 235 transitions. [2021-10-16 02:39:29,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-16 02:39:29,949 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:29,949 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] [2021-10-16 02:39:29,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:30,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:30,162 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:30,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:30,163 INFO L82 PathProgramCache]: Analyzing trace with hash 196922526, now seen corresponding path program 1 times [2021-10-16 02:39:30,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:30,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180205552] [2021-10-16 02:39:30,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:30,164 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:30,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:30,165 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:30,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:39:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:30,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:39:30,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:30,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:30,751 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:30,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180205552] [2021-10-16 02:39:30,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180205552] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:30,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:39:30,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:39:30,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519090427] [2021-10-16 02:39:30,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:39:30,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:30,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:39:30,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:39:30,758 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) [2021-10-16 02:39:30,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:30,802 INFO L93 Difference]: Finished difference Result 474 states and 762 transitions. [2021-10-16 02:39:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:39:30,802 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 [2021-10-16 02:39:30,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:30,805 INFO L225 Difference]: With dead ends: 474 [2021-10-16 02:39:30,806 INFO L226 Difference]: Without dead ends: 374 [2021-10-16 02:39:30,806 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:39:30,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-10-16 02:39:30,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 202. [2021-10-16 02:39:30,839 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) [2021-10-16 02:39:30,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 336 transitions. [2021-10-16 02:39:30,841 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 336 transitions. Word has length 48 [2021-10-16 02:39:30,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:30,843 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 336 transitions. [2021-10-16 02:39:30,843 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) [2021-10-16 02:39:30,843 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 336 transitions. [2021-10-16 02:39:30,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-16 02:39:30,844 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:30,845 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] [2021-10-16 02:39:30,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:31,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:31,059 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:31,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:31,060 INFO L82 PathProgramCache]: Analyzing trace with hash -867360645, now seen corresponding path program 1 times [2021-10-16 02:39:31,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:31,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923376276] [2021-10-16 02:39:31,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:31,061 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:31,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:31,062 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:31,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:39:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:31,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:39:31,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:31,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:31,795 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:31,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923376276] [2021-10-16 02:39:31,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923376276] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:39:31,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1594875616] [2021-10-16 02:39:31,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:31,796 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:39:31,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:39:31,797 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:39:31,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-16 02:39:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:32,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-16 02:39:32,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:32,559 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 02:39:32,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 02:39:32,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1594875616] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:32,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:39:32,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [5, 5] total 22 [2021-10-16 02:39:32,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263685353] [2021-10-16 02:39:32,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-16 02:39:32,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:32,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-16 02:39:32,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 02:39:32,932 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) [2021-10-16 02:39:40,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:40,611 INFO L93 Difference]: Finished difference Result 1612 states and 2260 transitions. [2021-10-16 02:39:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-16 02:39:40,612 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 [2021-10-16 02:39:40,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:40,625 INFO L225 Difference]: With dead ends: 1612 [2021-10-16 02:39:40,629 INFO L226 Difference]: Without dead ends: 1562 [2021-10-16 02:39:40,635 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3018 ImplicationChecksByTransitivity, 3393.9ms TimeCoverageRelationStatistics Valid=2309, Invalid=7993, Unknown=0, NotChecked=0, Total=10302 [2021-10-16 02:39:40,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2021-10-16 02:39:40,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 295. [2021-10-16 02:39:40,703 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) [2021-10-16 02:39:40,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 468 transitions. [2021-10-16 02:39:40,705 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 468 transitions. Word has length 49 [2021-10-16 02:39:40,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:40,706 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 468 transitions. [2021-10-16 02:39:40,706 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) [2021-10-16 02:39:40,706 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 468 transitions. [2021-10-16 02:39:40,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-16 02:39:40,708 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:40,709 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] [2021-10-16 02:39:40,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:40,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-16 02:39:41,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:41,113 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:41,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:41,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1932642042, now seen corresponding path program 1 times [2021-10-16 02:39:41,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:41,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393842260] [2021-10-16 02:39:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:41,115 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:41,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:41,117 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:41,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 02:39:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:41,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:39:41,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:41,667 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:41,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:41,861 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:41,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393842260] [2021-10-16 02:39:41,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393842260] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:39:41,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2007315395] [2021-10-16 02:39:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:41,861 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:39:41,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:39:41,863 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:39:41,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-16 02:39:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:42,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-16 02:39:42,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 02:39:42,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 02:39:42,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2007315395] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:42,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:39:42,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5, 5] total 12 [2021-10-16 02:39:42,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001062732] [2021-10-16 02:39:42,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:39:42,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:42,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:39:42,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-10-16 02:39:42,771 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) [2021-10-16 02:39:42,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:42,949 INFO L93 Difference]: Finished difference Result 478 states and 721 transitions. [2021-10-16 02:39:42,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 02:39:42,950 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 [2021-10-16 02:39:42,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:42,954 INFO L225 Difference]: With dead ends: 478 [2021-10-16 02:39:42,954 INFO L226 Difference]: Without dead ends: 344 [2021-10-16 02:39:42,957 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 177.3ms TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-10-16 02:39:42,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-10-16 02:39:43,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 282. [2021-10-16 02:39:43,013 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) [2021-10-16 02:39:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 447 transitions. [2021-10-16 02:39:43,014 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 447 transitions. Word has length 50 [2021-10-16 02:39:43,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:43,016 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 447 transitions. [2021-10-16 02:39:43,017 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) [2021-10-16 02:39:43,017 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 447 transitions. [2021-10-16 02:39:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-16 02:39:43,018 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:43,018 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] [2021-10-16 02:39:43,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:43,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:43,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 02:39:43,433 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:43,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:43,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1701439479, now seen corresponding path program 1 times [2021-10-16 02:39:43,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:43,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950323327] [2021-10-16 02:39:43,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:43,434 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:43,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:43,436 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:43,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 02:39:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:43,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:39:43,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:44,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:44,189 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:44,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950323327] [2021-10-16 02:39:44,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950323327] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:39:44,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1582044113] [2021-10-16 02:39:44,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:44,190 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:39:44,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:39:44,194 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:39:44,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-16 02:39:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:44,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:39:44,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 02:39:44,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 02:39:45,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1582044113] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:45,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:39:45,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 11 [2021-10-16 02:39:45,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307998574] [2021-10-16 02:39:45,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:39:45,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:45,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:39:45,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-16 02:39:45,139 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) [2021-10-16 02:39:45,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:45,369 INFO L93 Difference]: Finished difference Result 681 states and 1035 transitions. [2021-10-16 02:39:45,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 02:39:45,370 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 [2021-10-16 02:39:45,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:45,374 INFO L225 Difference]: With dead ends: 681 [2021-10-16 02:39:45,374 INFO L226 Difference]: Without dead ends: 561 [2021-10-16 02:39:45,375 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 152.9ms TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-16 02:39:45,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2021-10-16 02:39:45,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 467. [2021-10-16 02:39:45,439 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) [2021-10-16 02:39:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 733 transitions. [2021-10-16 02:39:45,441 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 733 transitions. Word has length 50 [2021-10-16 02:39:45,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:45,442 INFO L470 AbstractCegarLoop]: Abstraction has 467 states and 733 transitions. [2021-10-16 02:39:45,442 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) [2021-10-16 02:39:45,442 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 733 transitions. [2021-10-16 02:39:45,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-16 02:39:45,443 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:45,444 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] [2021-10-16 02:39:45,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:45,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:45,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:45,856 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:45,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:45,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1224175828, now seen corresponding path program 1 times [2021-10-16 02:39:45,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:45,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273397735] [2021-10-16 02:39:45,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:45,857 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:45,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:45,858 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:45,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-16 02:39:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:46,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:39:46,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:46,424 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:46,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:46,606 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:46,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273397735] [2021-10-16 02:39:46,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273397735] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:39:46,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [374479386] [2021-10-16 02:39:46,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:46,606 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:39:46,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:39:46,608 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:39:46,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-16 02:39:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:47,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:39:47,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 02:39:47,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 02:39:47,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [374479386] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:47,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:39:47,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 10 [2021-10-16 02:39:47,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324546865] [2021-10-16 02:39:47,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:39:47,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:47,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:39:47,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:39:47,516 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) [2021-10-16 02:39:47,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:47,601 INFO L93 Difference]: Finished difference Result 558 states and 849 transitions. [2021-10-16 02:39:47,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:39:47,602 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 [2021-10-16 02:39:47,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:47,604 INFO L225 Difference]: With dead ends: 558 [2021-10-16 02:39:47,605 INFO L226 Difference]: Without dead ends: 374 [2021-10-16 02:39:47,605 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 84.5ms TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-10-16 02:39:47,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-10-16 02:39:47,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 339. [2021-10-16 02:39:47,646 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) [2021-10-16 02:39:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 542 transitions. [2021-10-16 02:39:47,648 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 542 transitions. Word has length 52 [2021-10-16 02:39:47,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:47,648 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 542 transitions. [2021-10-16 02:39:47,649 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) [2021-10-16 02:39:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 542 transitions. [2021-10-16 02:39:47,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-16 02:39:47,650 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:47,650 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] [2021-10-16 02:39:47,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:47,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-10-16 02:39:48,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:48,055 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:48,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:48,056 INFO L82 PathProgramCache]: Analyzing trace with hash -944544913, now seen corresponding path program 1 times [2021-10-16 02:39:48,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:48,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186552705] [2021-10-16 02:39:48,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:48,057 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:48,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:48,058 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:48,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-16 02:39:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:48,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:39:48,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:39:48,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:48,773 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:39:48,773 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:48,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186552705] [2021-10-16 02:39:48,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186552705] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:48,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:39:48,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:39:48,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674696906] [2021-10-16 02:39:48,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:39:48,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:48,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:39:48,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:39:48,775 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) [2021-10-16 02:39:48,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:48,867 INFO L93 Difference]: Finished difference Result 911 states and 1458 transitions. [2021-10-16 02:39:48,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:39:48,868 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 [2021-10-16 02:39:48,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:48,872 INFO L225 Difference]: With dead ends: 911 [2021-10-16 02:39:48,872 INFO L226 Difference]: Without dead ends: 598 [2021-10-16 02:39:48,873 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:39:48,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2021-10-16 02:39:48,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 453. [2021-10-16 02:39:48,922 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) [2021-10-16 02:39:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 746 transitions. [2021-10-16 02:39:48,924 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 746 transitions. Word has length 57 [2021-10-16 02:39:48,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:48,925 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 746 transitions. [2021-10-16 02:39:48,925 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) [2021-10-16 02:39:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 746 transitions. [2021-10-16 02:39:48,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-16 02:39:48,926 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:48,927 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] [2021-10-16 02:39:48,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:49,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:49,142 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:49,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:49,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1173566898, now seen corresponding path program 1 times [2021-10-16 02:39:49,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:49,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517370851] [2021-10-16 02:39:49,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:49,143 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:49,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:49,144 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:49,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-16 02:39:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:49,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:39:49,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:39:49,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:39:49,905 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:49,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517370851] [2021-10-16 02:39:49,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1517370851] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:49,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:39:49,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:39:49,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364602953] [2021-10-16 02:39:49,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:39:49,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:49,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:39:49,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:39:49,908 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) [2021-10-16 02:39:49,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:49,990 INFO L93 Difference]: Finished difference Result 855 states and 1346 transitions. [2021-10-16 02:39:49,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:39:49,991 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 [2021-10-16 02:39:49,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:49,995 INFO L225 Difference]: With dead ends: 855 [2021-10-16 02:39:49,995 INFO L226 Difference]: Without dead ends: 569 [2021-10-16 02:39:49,996 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:39:49,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-10-16 02:39:50,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 424. [2021-10-16 02:39:50,042 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) [2021-10-16 02:39:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 690 transitions. [2021-10-16 02:39:50,044 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 690 transitions. Word has length 58 [2021-10-16 02:39:50,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:50,045 INFO L470 AbstractCegarLoop]: Abstraction has 424 states and 690 transitions. [2021-10-16 02:39:50,045 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) [2021-10-16 02:39:50,045 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 690 transitions. [2021-10-16 02:39:50,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-16 02:39:50,046 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:50,046 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] [2021-10-16 02:39:50,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:50,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:50,265 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:50,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:50,265 INFO L82 PathProgramCache]: Analyzing trace with hash 328528683, now seen corresponding path program 1 times [2021-10-16 02:39:50,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:50,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616002937] [2021-10-16 02:39:50,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:50,266 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:50,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:50,270 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:50,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-16 02:39:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:50,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:39:50,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:39:50,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:39:51,097 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:51,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616002937] [2021-10-16 02:39:51,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616002937] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:51,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:39:51,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:39:51,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504939554] [2021-10-16 02:39:51,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:39:51,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:51,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:39:51,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:39:51,100 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) [2021-10-16 02:39:51,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:51,206 INFO L93 Difference]: Finished difference Result 1181 states and 1940 transitions. [2021-10-16 02:39:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:39:51,207 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 [2021-10-16 02:39:51,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:51,212 INFO L225 Difference]: With dead ends: 1181 [2021-10-16 02:39:51,212 INFO L226 Difference]: Without dead ends: 787 [2021-10-16 02:39:51,213 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:39:51,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2021-10-16 02:39:51,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 642. [2021-10-16 02:39:51,273 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) [2021-10-16 02:39:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1079 transitions. [2021-10-16 02:39:51,278 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1079 transitions. Word has length 58 [2021-10-16 02:39:51,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:51,278 INFO L470 AbstractCegarLoop]: Abstraction has 642 states and 1079 transitions. [2021-10-16 02:39:51,279 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) [2021-10-16 02:39:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1079 transitions. [2021-10-16 02:39:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-16 02:39:51,281 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:51,281 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] [2021-10-16 02:39:51,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:51,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:51,496 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:51,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:51,496 INFO L82 PathProgramCache]: Analyzing trace with hash 87613521, now seen corresponding path program 1 times [2021-10-16 02:39:51,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:51,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742042563] [2021-10-16 02:39:51,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:51,497 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:51,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:51,498 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:51,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-16 02:39:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:52,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:39:52,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:52,171 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:39:52,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:39:52,319 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:52,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742042563] [2021-10-16 02:39:52,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742042563] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:52,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:39:52,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:39:52,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049559963] [2021-10-16 02:39:52,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:39:52,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:52,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:39:52,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:39:52,321 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) [2021-10-16 02:39:52,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:52,452 INFO L93 Difference]: Finished difference Result 1821 states and 3085 transitions. [2021-10-16 02:39:52,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:39:52,453 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 [2021-10-16 02:39:52,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:52,467 INFO L225 Difference]: With dead ends: 1821 [2021-10-16 02:39:52,467 INFO L226 Difference]: Without dead ends: 1213 [2021-10-16 02:39:52,468 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:39:52,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2021-10-16 02:39:52,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1068. [2021-10-16 02:39:52,573 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) [2021-10-16 02:39:52,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1832 transitions. [2021-10-16 02:39:52,577 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1832 transitions. Word has length 59 [2021-10-16 02:39:52,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:52,577 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1832 transitions. [2021-10-16 02:39:52,579 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) [2021-10-16 02:39:52,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1832 transitions. [2021-10-16 02:39:52,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-16 02:39:52,587 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:52,587 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] [2021-10-16 02:39:52,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:52,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:52,801 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:52,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:52,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1318592951, now seen corresponding path program 1 times [2021-10-16 02:39:52,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:52,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180498248] [2021-10-16 02:39:52,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:52,802 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:52,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:52,803 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:52,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-16 02:39:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:53,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:39:53,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:53,537 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:39:53,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:39:53,703 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:53,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180498248] [2021-10-16 02:39:53,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180498248] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:53,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:39:53,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:39:53,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651431673] [2021-10-16 02:39:53,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:39:53,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:53,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:39:53,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:39:53,705 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) [2021-10-16 02:39:53,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:53,907 INFO L93 Difference]: Finished difference Result 3077 states and 5306 transitions. [2021-10-16 02:39:53,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:39:53,908 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 [2021-10-16 02:39:53,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:53,921 INFO L225 Difference]: With dead ends: 3077 [2021-10-16 02:39:53,921 INFO L226 Difference]: Without dead ends: 2047 [2021-10-16 02:39:53,923 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:39:53,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2021-10-16 02:39:54,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 1902. [2021-10-16 02:39:54,092 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) [2021-10-16 02:39:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 3289 transitions. [2021-10-16 02:39:54,099 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 3289 transitions. Word has length 60 [2021-10-16 02:39:54,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:54,099 INFO L470 AbstractCegarLoop]: Abstraction has 1902 states and 3289 transitions. [2021-10-16 02:39:54,100 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) [2021-10-16 02:39:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3289 transitions. [2021-10-16 02:39:54,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-16 02:39:54,104 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:39:54,104 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] [2021-10-16 02:39:54,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-16 02:39:54,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:54,319 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:39:54,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:39:54,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1559369011, now seen corresponding path program 1 times [2021-10-16 02:39:54,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:39:54,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603737990] [2021-10-16 02:39:54,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:54,321 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:39:54,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:39:54,321 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:39:54,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-16 02:39:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:54,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:39:54,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:55,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:55,284 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:39:55,284 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:39:55,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603737990] [2021-10-16 02:39:55,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603737990] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:39:55,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [477348189] [2021-10-16 02:39:55,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:39:55,286 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:39:55,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:39:55,294 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:39:55,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-16 02:39:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:39:56,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:39:56,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:39:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 02:39:56,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:39:56,396 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-16 02:39:56,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [477348189] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:39:56,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 02:39:56,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [5, 5] total 13 [2021-10-16 02:39:56,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305619027] [2021-10-16 02:39:56,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-16 02:39:56,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:39:56,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-16 02:39:56,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-16 02:39:56,398 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) [2021-10-16 02:39:56,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:39:56,601 INFO L93 Difference]: Finished difference Result 1933 states and 3331 transitions. [2021-10-16 02:39:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:39:56,602 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 [2021-10-16 02:39:56,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:39:56,602 INFO L225 Difference]: With dead ends: 1933 [2021-10-16 02:39:56,603 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:39:56,606 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 124.4ms TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-10-16 02:39:56,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:39:56,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:39:56,606 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) [2021-10-16 02:39:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:39:56,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-10-16 02:39:56,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:39:56,607 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:39:56,607 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) [2021-10-16 02:39:56,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:39:56,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:39:56,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:39:56,611 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:39:56,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2021-10-16 02:39:56,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-10-16 02:39:57,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:39:57,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:39:57,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:57,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:58,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:58,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:58,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:58,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:58,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:58,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:58,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:58,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:58,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:58,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:39:59,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:00,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:01,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:02,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:02,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:40:10,526 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-10-16 02:40:10,527 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))) [2021-10-16 02:40:10,527 INFO L857 garLoopResultBuilder]: For program point L2216(lines 2216 2228) no Hoare annotation was computed. [2021-10-16 02:40:10,527 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)) [2021-10-16 02:40:10,528 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)) [2021-10-16 02:40:10,528 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)) [2021-10-16 02:40:10,528 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))) [2021-10-16 02:40:10,528 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)) [2021-10-16 02:40:10,528 INFO L857 garLoopResultBuilder]: For program point L2219(lines 2219 2227) no Hoare annotation was computed. [2021-10-16 02:40:10,529 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))) [2021-10-16 02:40:10,529 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 511) no Hoare annotation was computed. [2021-10-16 02:40:10,529 INFO L857 garLoopResultBuilder]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2021-10-16 02:40:10,529 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)) [2021-10-16 02:40:10,529 INFO L857 garLoopResultBuilder]: For program point L503-4(lines 503 511) no Hoare annotation was computed. [2021-10-16 02:40:10,530 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)) [2021-10-16 02:40:10,530 INFO L857 garLoopResultBuilder]: For program point L2222(lines 2222 2226) no Hoare annotation was computed. [2021-10-16 02:40:10,530 INFO L857 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-10-16 02:40:10,530 INFO L857 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2021-10-16 02:40:10,530 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)) [2021-10-16 02:40:10,531 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))) [2021-10-16 02:40:10,531 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))) [2021-10-16 02:40:10,531 INFO L860 garLoopResultBuilder]: At program point L2487-3(lines 2482 2490) the Hoare annotation is: true [2021-10-16 02:40:10,531 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)) [2021-10-16 02:40:10,531 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 311) no Hoare annotation was computed. [2021-10-16 02:40:10,532 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)) [2021-10-16 02:40:10,532 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 278) no Hoare annotation was computed. [2021-10-16 02:40:10,532 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))) [2021-10-16 02:40:10,532 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))) [2021-10-16 02:40:10,533 INFO L860 garLoopResultBuilder]: At program point L208-1(lines 1183 1200) the Hoare annotation is: true [2021-10-16 02:40:10,533 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 510) no Hoare annotation was computed. [2021-10-16 02:40:10,533 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)) [2021-10-16 02:40:10,533 INFO L857 garLoopResultBuilder]: For program point L506-3(lines 506 510) no Hoare annotation was computed. [2021-10-16 02:40:10,533 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)) [2021-10-16 02:40:10,534 INFO L857 garLoopResultBuilder]: For program point L506-6(lines 506 510) no Hoare annotation was computed. [2021-10-16 02:40:10,534 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))) [2021-10-16 02:40:10,534 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 548) no Hoare annotation was computed. [2021-10-16 02:40:10,534 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 548) no Hoare annotation was computed. [2021-10-16 02:40:10,534 INFO L857 garLoopResultBuilder]: For program point L540-4(lines 540 548) no Hoare annotation was computed. [2021-10-16 02:40:10,535 INFO L857 garLoopResultBuilder]: For program point L2192(lines 2192 2208) no Hoare annotation was computed. [2021-10-16 02:40:10,535 INFO L857 garLoopResultBuilder]: For program point L2192-1(lines 2192 2208) no Hoare annotation was computed. [2021-10-16 02:40:10,535 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-10-16 02:40:10,535 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2021-10-16 02:40:10,535 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)) [2021-10-16 02:40:10,535 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 547) no Hoare annotation was computed. [2021-10-16 02:40:10,536 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)) [2021-10-16 02:40:10,536 INFO L857 garLoopResultBuilder]: For program point L543-3(lines 543 547) no Hoare annotation was computed. [2021-10-16 02:40:10,536 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))) [2021-10-16 02:40:10,536 INFO L857 garLoopResultBuilder]: For program point L543-6(lines 543 547) no Hoare annotation was computed. [2021-10-16 02:40:10,536 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)) [2021-10-16 02:40:10,537 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)) [2021-10-16 02:40:10,537 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)) [2021-10-16 02:40:10,537 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 188) no Hoare annotation was computed. [2021-10-16 02:40:10,537 INFO L857 garLoopResultBuilder]: For program point L2196(lines 2196 2207) no Hoare annotation was computed. [2021-10-16 02:40:10,537 INFO L860 garLoopResultBuilder]: At program point L181-1(lines 181 188) the Hoare annotation is: true [2021-10-16 02:40:10,537 INFO L857 garLoopResultBuilder]: For program point L2196-1(lines 2196 2207) no Hoare annotation was computed. [2021-10-16 02:40:10,538 INFO L857 garLoopResultBuilder]: For program point L2263(lines 2263 2275) no Hoare annotation was computed. [2021-10-16 02:40:10,538 INFO L857 garLoopResultBuilder]: For program point L2263-2(lines 2263 2275) no Hoare annotation was computed. [2021-10-16 02:40:10,538 INFO L857 garLoopResultBuilder]: For program point L2263-4(lines 2263 2275) no Hoare annotation was computed. [2021-10-16 02:40:10,538 INFO L857 garLoopResultBuilder]: For program point L447(lines 447 458) no Hoare annotation was computed. [2021-10-16 02:40:10,538 INFO L857 garLoopResultBuilder]: For program point L447-1(lines 447 458) no Hoare annotation was computed. [2021-10-16 02:40:10,538 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)) [2021-10-16 02:40:10,539 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:40:10,539 INFO L857 garLoopResultBuilder]: For program point L2266(lines 2266 2274) no Hoare annotation was computed. [2021-10-16 02:40:10,539 INFO L857 garLoopResultBuilder]: For program point L2266-2(lines 2266 2274) no Hoare annotation was computed. [2021-10-16 02:40:10,539 INFO L857 garLoopResultBuilder]: For program point L2200(lines 2200 2206) no Hoare annotation was computed. [2021-10-16 02:40:10,539 INFO L857 garLoopResultBuilder]: For program point L2266-4(lines 2266 2274) no Hoare annotation was computed. [2021-10-16 02:40:10,539 INFO L857 garLoopResultBuilder]: For program point L2200-1(lines 2200 2206) no Hoare annotation was computed. [2021-10-16 02:40:10,539 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 325) no Hoare annotation was computed. [2021-10-16 02:40:10,540 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))) [2021-10-16 02:40:10,540 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 289) no Hoare annotation was computed. [2021-10-16 02:40:10,540 INFO L857 garLoopResultBuilder]: For program point L252(lines 251 394) no Hoare annotation was computed. [2021-10-16 02:40:10,540 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 495) no Hoare annotation was computed. [2021-10-16 02:40:10,540 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2021-10-16 02:40:10,541 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 484 495) no Hoare annotation was computed. [2021-10-16 02:40:10,541 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2021-10-16 02:40:10,541 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-10-16 02:40:10,541 INFO L857 garLoopResultBuilder]: For program point L2269(lines 2269 2273) no Hoare annotation was computed. [2021-10-16 02:40:10,541 INFO L857 garLoopResultBuilder]: For program point L2269-3(lines 2269 2273) no Hoare annotation was computed. [2021-10-16 02:40:10,541 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))) [2021-10-16 02:40:10,542 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)) [2021-10-16 02:40:10,542 INFO L857 garLoopResultBuilder]: For program point L2269-6(lines 2269 2273) no Hoare annotation was computed. [2021-10-16 02:40:10,542 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)) [2021-10-16 02:40:10,542 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 358) no Hoare annotation was computed. [2021-10-16 02:40:10,542 INFO L860 garLoopResultBuilder]: At program point L189(lines 171 191) the Hoare annotation is: true [2021-10-16 02:40:10,542 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:40:10,543 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))) [2021-10-16 02:40:10,543 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)) [2021-10-16 02:40:10,543 INFO L857 garLoopResultBuilder]: For program point L521(lines 521 532) no Hoare annotation was computed. [2021-10-16 02:40:10,543 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2021-10-16 02:40:10,543 INFO L857 garLoopResultBuilder]: For program point L521-1(lines 521 532) no Hoare annotation was computed. [2021-10-16 02:40:10,543 INFO L857 garLoopResultBuilder]: For program point L521-2(lines 521 532) no Hoare annotation was computed. [2021-10-16 02:40:10,544 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2021-10-16 02:40:10,544 INFO L857 garLoopResultBuilder]: For program point L521-3(lines 521 532) no Hoare annotation was computed. [2021-10-16 02:40:10,544 INFO L857 garLoopResultBuilder]: For program point L2239-1(lines 2239 2255) no Hoare annotation was computed. [2021-10-16 02:40:10,544 INFO L857 garLoopResultBuilder]: For program point L2239(lines 2239 2255) no Hoare annotation was computed. [2021-10-16 02:40:10,544 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 133) no Hoare annotation was computed. [2021-10-16 02:40:10,544 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))) [2021-10-16 02:40:10,545 INFO L860 garLoopResultBuilder]: At program point L456-1(lines 443 461) the Hoare annotation is: true [2021-10-16 02:40:10,545 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)) [2021-10-16 02:40:10,545 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))) [2021-10-16 02:40:10,545 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 393) no Hoare annotation was computed. [2021-10-16 02:40:10,545 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:40:10,546 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 531) no Hoare annotation was computed. [2021-10-16 02:40:10,546 INFO L857 garLoopResultBuilder]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2021-10-16 02:40:10,546 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 531) no Hoare annotation was computed. [2021-10-16 02:40:10,546 INFO L857 garLoopResultBuilder]: For program point L525-3(lines 525 531) no Hoare annotation was computed. [2021-10-16 02:40:10,546 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))) [2021-10-16 02:40:10,546 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)) [2021-10-16 02:40:10,547 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)) [2021-10-16 02:40:10,547 INFO L857 garLoopResultBuilder]: For program point L2243-1(lines 2243 2254) no Hoare annotation was computed. [2021-10-16 02:40:10,547 INFO L857 garLoopResultBuilder]: For program point L2243(lines 2243 2254) no Hoare annotation was computed. [2021-10-16 02:40:10,547 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))) [2021-10-16 02:40:10,547 INFO L860 garLoopResultBuilder]: At program point L493-1(lines 480 498) the Hoare annotation is: true [2021-10-16 02:40:10,548 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)) [2021-10-16 02:40:10,548 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 300) no Hoare annotation was computed. [2021-10-16 02:40:10,548 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 267) no Hoare annotation was computed. [2021-10-16 02:40:10,548 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:40:10,548 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-10-16 02:40:10,548 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))) [2021-10-16 02:40:10,549 INFO L857 garLoopResultBuilder]: For program point L2345(lines 2345 2352) no Hoare annotation was computed. [2021-10-16 02:40:10,549 INFO L857 garLoopResultBuilder]: For program point L2345-2(lines 2345 2352) no Hoare annotation was computed. [2021-10-16 02:40:10,549 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)) [2021-10-16 02:40:10,549 INFO L857 garLoopResultBuilder]: For program point L2247-1(lines 2247 2253) no Hoare annotation was computed. [2021-10-16 02:40:10,549 INFO L857 garLoopResultBuilder]: For program point L2247(lines 2247 2253) no Hoare annotation was computed. [2021-10-16 02:40:10,549 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)) [2021-10-16 02:40:10,550 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))) [2021-10-16 02:40:10,550 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))) [2021-10-16 02:40:10,550 INFO L860 garLoopResultBuilder]: At program point L530-3(lines 517 535) the Hoare annotation is: true [2021-10-16 02:40:10,550 INFO L860 garLoopResultBuilder]: At program point L2479-1(lines 2454 2481) the Hoare annotation is: true [2021-10-16 02:40:10,550 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))) [2021-10-16 02:40:10,551 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 369) no Hoare annotation was computed. [2021-10-16 02:40:10,551 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2021-10-16 02:40:10,551 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1197) no Hoare annotation was computed. [2021-10-16 02:40:10,551 INFO L857 garLoopResultBuilder]: For program point L1191-2(lines 1191 1197) no Hoare annotation was computed. [2021-10-16 02:40:10,556 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:40:10,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:40:10 BoogieIcfgContainer [2021-10-16 02:40:10,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:40:10,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:40:10,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:40:10,600 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:40:10,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:39:26" (3/4) ... [2021-10-16 02:40:10,604 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:40:10,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-10-16 02:40:10,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-10-16 02:40:10,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 02:40:10,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 02:40:10,639 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:40:10,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:40:10,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-10-16 02:40:10,679 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-10-16 02:40:10,680 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 2bv32 == rjh) && 2bv32 == handle [2021-10-16 02:40:10,680 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,680 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,692 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 [2021-10-16 02:40:10,692 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 [2021-10-16 02:40:10,692 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 [2021-10-16 02:40:10,693 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 [2021-10-16 02:40:10,693 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 [2021-10-16 02:40:10,695 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 [2021-10-16 02:40:10,696 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 [2021-10-16 02:40:10,696 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) [2021-10-16 02:40:10,696 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) [2021-10-16 02:40:10,696 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) [2021-10-16 02:40:10,697 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) [2021-10-16 02:40:10,697 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) [2021-10-16 02:40:10,697 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) [2021-10-16 02:40:10,697 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) [2021-10-16 02:40:10,697 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) [2021-10-16 02:40:10,698 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) [2021-10-16 02:40:10,698 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) [2021-10-16 02:40:10,698 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) [2021-10-16 02:40:10,699 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) [2021-10-16 02:40:10,699 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) [2021-10-16 02:40:10,699 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) [2021-10-16 02:40:10,699 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) [2021-10-16 02:40:10,700 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) [2021-10-16 02:40:10,700 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) [2021-10-16 02:40:10,700 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,700 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-16 02:40:10,795 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:40:10,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:40:10,797 INFO L168 Benchmark]: Toolchain (without parser) took 48751.51 ms. Allocated memory was 75.5 MB in the beginning and 318.8 MB in the end (delta: 243.3 MB). Free memory was 59.0 MB in the beginning and 224.8 MB in the end (delta: -165.8 MB). Peak memory consumption was 77.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:10,799 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 75.5 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 66.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:40:10,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1128.80 ms. Allocated memory is still 75.5 MB. Free memory was 58.8 MB in the beginning and 44.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:10,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.34 ms. Allocated memory is still 75.5 MB. Free memory was 44.6 MB in the beginning and 39.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:10,800 INFO L168 Benchmark]: Boogie Preprocessor took 84.25 ms. Allocated memory is still 75.5 MB. Free memory was 39.7 MB in the beginning and 36.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:10,801 INFO L168 Benchmark]: RCFGBuilder took 2965.20 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 36.2 MB in the beginning and 48.7 MB in the end (delta: -12.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:10,801 INFO L168 Benchmark]: TraceAbstraction took 44251.58 ms. Allocated memory was 94.4 MB in the beginning and 318.8 MB in the end (delta: 224.4 MB). Free memory was 48.0 MB in the beginning and 239.8 MB in the end (delta: -191.7 MB). Peak memory consumption was 180.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:10,802 INFO L168 Benchmark]: Witness Printer took 196.11 ms. Allocated memory is still 318.8 MB. Free memory was 239.8 MB in the beginning and 224.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:40:10,804 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 75.5 MB. Free memory was 56.8 MB in the beginning and 56.8 MB in the end (delta: 66.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1128.80 ms. Allocated memory is still 75.5 MB. Free memory was 58.8 MB in the beginning and 44.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.34 ms. Allocated memory is still 75.5 MB. Free memory was 44.6 MB in the beginning and 39.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.25 ms. Allocated memory is still 75.5 MB. Free memory was 39.7 MB in the beginning and 36.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2965.20 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 36.2 MB in the beginning and 48.7 MB in the end (delta: -12.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 44251.58 ms. Allocated memory was 94.4 MB in the beginning and 318.8 MB in the end (delta: 224.4 MB). Free memory was 48.0 MB in the beginning and 239.8 MB in the end (delta: -191.7 MB). Peak memory consumption was 180.5 MB. Max. memory is 16.1 GB. * Witness Printer took 196.11 ms. Allocated memory is still 318.8 MB. Free memory was 239.8 MB in the beginning and 224.8 MB in the end (delta: 14.9 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: 44130.4ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 48.9ms, AutomataDifference: 9473.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 13510.0ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3048 SDtfs, 6139 SDslu, 5245 SDs, 0 SdLazy, 476 SolverSat, 97 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4327.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2068 GetRequests, 1906 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3076 ImplicationChecksByTransitivity, 3995.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1902occurred in iteration=14, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 831.1ms AutomataMinimizationTime, 15 MinimizatonAttempts, 2531 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 937 NumberOfFragments, 1567 HoareAnnotationTreeSize, 54 FomulaSimplifications, 22032035 FormulaSimplificationTreeSizeReduction, 5033.1ms HoareSimplificationTime, 54 FomulaSimplificationsInter, 191437 FormulaSimplificationTreeSizeReductionInter, 8455.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1002.6ms SsaConstructionTime, 2496.1ms SatisfiabilityAnalysisTime, 6671.9ms 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! [2021-10-16 02:40:10,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64397366-b65f-46bf-891f-506dccac0311/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...