./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/bist_cell.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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/systemc/bist_cell.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/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 6e1b5c8fd87acd5e9c1ad1566c2fb65080de7370 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/systemc/bist_cell.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/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 6e1b5c8fd87acd5e9c1ad1566c2fb65080de7370 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:07:23,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:07:23,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:07:23,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:07:23,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:07:23,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:07:23,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:07:23,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:07:23,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:07:23,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:07:23,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:07:23,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:07:23,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:07:23,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:07:23,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:07:23,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:07:23,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:07:23,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:07:23,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:07:23,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:07:23,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:07:23,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:07:23,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:07:23,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:07:23,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:07:23,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:07:23,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:07:23,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:07:23,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:07:23,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:07:23,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:07:23,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:07:23,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:07:23,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:07:23,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:07:23,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:07:23,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:07:23,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:07:23,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:07:23,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:07:23,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:07:23,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:07:23,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:07:23,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:07:23,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:07:23,916 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:07:23,916 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:07:23,916 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:07:23,916 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:07:23,917 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:07:23,923 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:07:23,924 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:07:23,925 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:07:23,925 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:07:23,925 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:07:23,926 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:07:23,926 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:07:23,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:07:23,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:07:23,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:07:23,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:07:23,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:07:23,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:07:23,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:07:23,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:07:23,929 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:07:23,929 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:07:23,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:07:23,930 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:07:23,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:07:23,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:07:23,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:07:23,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:07:23,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:07:23,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:07:23,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:07:23,933 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:07:23,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:07:23,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:07:23,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:07:23,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:07:23,934 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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e1b5c8fd87acd5e9c1ad1566c2fb65080de7370 [2021-10-16 03:07:24,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:07:24,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:07:24,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:07:24,256 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:07:24,257 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:07:24,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/systemc/bist_cell.cil.c [2021-10-16 03:07:24,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/data/49bd09b62/eda85d5e42cc455dadfecd52125dc14b/FLAG39b9fe077 [2021-10-16 03:07:24,832 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:07:24,833 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/sv-benchmarks/c/systemc/bist_cell.cil.c [2021-10-16 03:07:24,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/data/49bd09b62/eda85d5e42cc455dadfecd52125dc14b/FLAG39b9fe077 [2021-10-16 03:07:25,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/data/49bd09b62/eda85d5e42cc455dadfecd52125dc14b [2021-10-16 03:07:25,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:07:25,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:07:25,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:07:25,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:07:25,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:07:25,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0a91e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25, skipping insertion in model container [2021-10-16 03:07:25,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:07:25,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:07:25,438 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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/sv-benchmarks/c/systemc/bist_cell.cil.c[334,347] [2021-10-16 03:07:25,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:07:25,500 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:07:25,513 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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/sv-benchmarks/c/systemc/bist_cell.cil.c[334,347] [2021-10-16 03:07:25,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:07:25,558 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:07:25,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25 WrapperNode [2021-10-16 03:07:25,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:07:25,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:07:25,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:07:25,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:07:25,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:07:25,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:07:25,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:07:25,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:07:25,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:07:25,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:07:25,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:07:25,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:07:25,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25" (1/1) ... [2021-10-16 03:07:25,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:07:25,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:07:25,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:07:25,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:07:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:07:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 03:07:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:07:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:07:27,292 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:07:27,292 INFO L299 CfgBuilder]: Removed 64 assume(true) statements. [2021-10-16 03:07:27,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:07:27 BoogieIcfgContainer [2021-10-16 03:07:27,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:07:27,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:07:27,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:07:27,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:07:27,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:07:25" (1/3) ... [2021-10-16 03:07:27,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4082d256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:07:27, skipping insertion in model container [2021-10-16 03:07:27,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:25" (2/3) ... [2021-10-16 03:07:27,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4082d256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:07:27, skipping insertion in model container [2021-10-16 03:07:27,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:07:27" (3/3) ... [2021-10-16 03:07:27,306 INFO L111 eAbstractionObserver]: Analyzing ICFG bist_cell.cil.c [2021-10-16 03:07:27,313 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:07:27,313 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:07:27,375 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:07:27,383 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 03:07:27,384 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:07:27,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 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 03:07:27,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-16 03:07:27,405 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:27,406 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-16 03:07:27,406 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:27,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:27,412 INFO L82 PathProgramCache]: Analyzing trace with hash 20809704, now seen corresponding path program 1 times [2021-10-16 03:07:27,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:07:27,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117789581] [2021-10-16 03:07:27,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:27,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:07:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:27,659 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 03:07:27,659 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:07:27,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117789581] [2021-10-16 03:07:27,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117789581] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:27,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:27,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 03:07:27,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133696665] [2021-10-16 03:07:27,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:07:27,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:07:27,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:07:27,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:07:27,682 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 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 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 03:07:27,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:27,696 INFO L93 Difference]: Finished difference Result 21 states and 29 transitions. [2021-10-16 03:07:27,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:07:27,698 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2021-10-16 03:07:27,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:27,709 INFO L225 Difference]: With dead ends: 21 [2021-10-16 03:07:27,709 INFO L226 Difference]: Without dead ends: 9 [2021-10-16 03:07:27,712 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:07:27,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-10-16 03:07:27,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-16 03:07:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 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 03:07:27,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-10-16 03:07:27,741 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2021-10-16 03:07:27,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:27,741 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-10-16 03:07:27,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 03:07:27,741 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-10-16 03:07:27,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-16 03:07:27,742 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:27,742 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:07:27,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 03:07:27,742 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:27,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:27,743 INFO L82 PathProgramCache]: Analyzing trace with hash 84178130, now seen corresponding path program 1 times [2021-10-16 03:07:27,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:07:27,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550788621] [2021-10-16 03:07:27,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:27,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:07:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:27,852 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 03:07:27,852 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:07:27,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550788621] [2021-10-16 03:07:27,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550788621] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:27,853 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:27,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:07:27,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139897254] [2021-10-16 03:07:27,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:07:27,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:07:27,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:07:27,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:27,856 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 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 03:07:27,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:27,880 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2021-10-16 03:07:27,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:07:27,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2021-10-16 03:07:27,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:27,881 INFO L225 Difference]: With dead ends: 20 [2021-10-16 03:07:27,882 INFO L226 Difference]: Without dead ends: 17 [2021-10-16 03:07:27,882 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:27,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-16 03:07:27,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2021-10-16 03:07:27,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 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 03:07:27,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-10-16 03:07:27,887 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 8 [2021-10-16 03:07:27,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:27,887 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-10-16 03:07:27,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 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 03:07:27,887 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-16 03:07:27,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 03:07:27,888 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:27,888 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:07:27,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 03:07:27,889 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:27,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:27,889 INFO L82 PathProgramCache]: Analyzing trace with hash -375332924, now seen corresponding path program 1 times [2021-10-16 03:07:27,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:07:27,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721516805] [2021-10-16 03:07:27,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:27,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:07:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:28,085 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:07:28,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721516805] [2021-10-16 03:07:28,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721516805] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 03:07:28,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445492230] [2021-10-16 03:07:28,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:28,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:07:28,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:07:28,104 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:07:28,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-16 03:07:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:28,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-16 03:07:28,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:28,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:30,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445492230] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:07:30,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1840475442] [2021-10-16 03:07:30,286 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-10-16 03:07:30,286 INFO L166 IcfgInterpreter]: Building call graph [2021-10-16 03:07:30,290 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-16 03:07:30,299 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-16 03:07:30,300 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-16 03:07:30,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,374 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:07:30,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-16 03:07:30,381 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:07:30,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-16 03:07:30,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:07:30,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-16 03:07:30,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:07:30,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-10-16 03:07:30,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:07:30,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-10-16 03:07:30,419 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:07:30,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 225 [2021-10-16 03:07:30,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:07:30,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-10-16 03:07:30,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:07:30,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-16 03:07:30,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:07:30,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-16 03:07:30,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 775 [2021-10-16 03:07:30,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,651 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:30,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,678 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:30,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,709 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:07:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:07:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:07:30,828 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-10-16 03:07:30,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 42 [2021-10-16 03:07:30,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-16 03:07:30,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-16 03:07:30,834 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:30,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,879 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:30,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,906 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:30,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,934 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:30,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,961 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:30,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:30,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:30,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:30,987 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,014 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,039 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,063 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,086 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,108 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,130 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,151 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,172 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,192 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,212 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,232 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,251 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,271 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,291 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,310 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,329 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,348 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,366 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,384 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,402 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,432 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,448 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,464 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,480 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,496 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,512 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,528 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,543 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,558 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,572 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,587 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,602 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,616 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,630 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,644 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,658 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,671 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,684 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,697 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,710 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,722 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,735 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,746 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,758 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,769 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,780 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,790 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,801 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,811 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,821 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,830 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,839 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,848 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,856 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 03:07:31,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-16 03:07:31,864 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:07:31,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:07:31,916 INFO L180 QuantifierPusher]: treesize reduction 20, result has 90.5 percent of original size [2021-10-16 03:07:31,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 190 [2021-10-16 03:07:31,922 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-16 03:07:31,922 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 1 variables, input treesize:14529, output treesize:190 [2021-10-16 03:07:31,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:32,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:07:32,138 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#length_25| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-16 03:07:32,141 INFO L168 Benchmark]: Toolchain (without parser) took 6952.95 ms. Allocated memory was 88.1 MB in the beginning and 186.6 MB in the end (delta: 98.6 MB). Free memory was 55.5 MB in the beginning and 65.5 MB in the end (delta: -10.0 MB). Peak memory consumption was 104.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:07:32,142 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory is still 41.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:07:32,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.82 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 55.3 MB in the beginning and 89.2 MB in the end (delta: -33.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:07:32,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.99 ms. Allocated memory is still 115.3 MB. Free memory was 89.2 MB in the beginning and 86.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:07:32,142 INFO L168 Benchmark]: Boogie Preprocessor took 46.07 ms. Allocated memory is still 115.3 MB. Free memory was 86.8 MB in the beginning and 85.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:07:32,143 INFO L168 Benchmark]: RCFGBuilder took 1619.41 ms. Allocated memory is still 115.3 MB. Free memory was 85.0 MB in the beginning and 80.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. [2021-10-16 03:07:32,143 INFO L168 Benchmark]: TraceAbstraction took 4843.00 ms. Allocated memory was 115.3 MB in the beginning and 186.6 MB in the end (delta: 71.3 MB). Free memory was 79.4 MB in the beginning and 65.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 101.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:07:32,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory is still 41.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.82 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 55.3 MB in the beginning and 89.2 MB in the end (delta: -33.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.99 ms. Allocated memory is still 115.3 MB. Free memory was 89.2 MB in the beginning and 86.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.07 ms. Allocated memory is still 115.3 MB. Free memory was 86.8 MB in the beginning and 85.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1619.41 ms. Allocated memory is still 115.3 MB. Free memory was 85.0 MB in the beginning and 80.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4843.00 ms. Allocated memory was 115.3 MB in the beginning and 186.6 MB in the end (delta: 71.3 MB). Free memory was 79.4 MB in the beginning and 65.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 101.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#length_25| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#length_25|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 03:07:32,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:07:34,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:07:34,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:07:34,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:07:34,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:07:34,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:07:34,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:07:34,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:07:34,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:07:34,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:07:34,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:07:34,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:07:34,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:07:34,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:07:34,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:07:34,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:07:34,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:07:34,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:07:34,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:07:34,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:07:34,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:07:34,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:07:34,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:07:34,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:07:34,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:07:34,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:07:34,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:07:34,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:07:34,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:07:34,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:07:34,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:07:34,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:07:34,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:07:34,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:07:34,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:07:34,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:07:34,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:07:34,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:07:34,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:07:34,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:07:34,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:07:34,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:07:34,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:07:34,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:07:34,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:07:34,815 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:07:34,815 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:07:34,815 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:07:34,815 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:07:34,815 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:07:34,816 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:07:34,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:07:34,817 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:07:34,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:07:34,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:07:34,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:07:34,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:07:34,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:07:34,818 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:07:34,818 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:07:34,818 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:07:34,819 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:07:34,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:07:34,819 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:07:34,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:07:34,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:07:34,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:07:34,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:07:34,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:07:34,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:07:34,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:07:34,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:07:34,821 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:07:34,821 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:07:34,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:07:34,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:07:34,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:07:34,822 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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e1b5c8fd87acd5e9c1ad1566c2fb65080de7370 [2021-10-16 03:07:35,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:07:35,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:07:35,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:07:35,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:07:35,241 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:07:35,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/systemc/bist_cell.cil.c [2021-10-16 03:07:35,317 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/data/60974c6d8/147106ec77134a61833cc1cdd56e7090/FLAG91264ec65 [2021-10-16 03:07:35,819 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:07:35,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/sv-benchmarks/c/systemc/bist_cell.cil.c [2021-10-16 03:07:35,840 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/data/60974c6d8/147106ec77134a61833cc1cdd56e7090/FLAG91264ec65 [2021-10-16 03:07:36,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/data/60974c6d8/147106ec77134a61833cc1cdd56e7090 [2021-10-16 03:07:36,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:07:36,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:07:36,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:07:36,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:07:36,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:07:36,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@955856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36, skipping insertion in model container [2021-10-16 03:07:36,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:07:36,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:07:36,453 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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/sv-benchmarks/c/systemc/bist_cell.cil.c[334,347] [2021-10-16 03:07:36,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:07:36,542 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:07:36,568 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_65511ce4-6a26-4339-a2c6-b90a0af2ee90/sv-benchmarks/c/systemc/bist_cell.cil.c[334,347] [2021-10-16 03:07:36,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:07:36,628 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:07:36,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36 WrapperNode [2021-10-16 03:07:36,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:07:36,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:07:36,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:07:36,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:07:36,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:07:36,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:07:36,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:07:36,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:07:36,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:07:36,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:07:36,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:07:36,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:07:36,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36" (1/1) ... [2021-10-16 03:07:36,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:07:36,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:07:36,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:07:36,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:07:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:07:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:07:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:07:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:07:37,347 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:07:37,347 INFO L299 CfgBuilder]: Removed 64 assume(true) statements. [2021-10-16 03:07:37,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:07:37 BoogieIcfgContainer [2021-10-16 03:07:37,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:07:37,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:07:37,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:07:37,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:07:37,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:07:36" (1/3) ... [2021-10-16 03:07:37,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72081c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:07:37, skipping insertion in model container [2021-10-16 03:07:37,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:36" (2/3) ... [2021-10-16 03:07:37,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72081c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:07:37, skipping insertion in model container [2021-10-16 03:07:37,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:07:37" (3/3) ... [2021-10-16 03:07:37,373 INFO L111 eAbstractionObserver]: Analyzing ICFG bist_cell.cil.c [2021-10-16 03:07:37,379 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:07:37,379 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:07:37,427 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:07:37,433 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 03:07:37,433 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:07:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 106 states have (on average 1.6981132075471699) internal successors, (180), 107 states have internal predecessors, (180), 0 states have call successors, (0), 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 03:07:37,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-16 03:07:37,456 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:37,457 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] [2021-10-16 03:07:37,457 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:37,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:37,463 INFO L82 PathProgramCache]: Analyzing trace with hash -2133595601, now seen corresponding path program 1 times [2021-10-16 03:07:37,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:37,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202294203] [2021-10-16 03:07:37,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:37,477 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:37,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:37,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:37,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:07:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:37,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 03:07:37,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:37,768 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 03:07:37,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:37,843 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 03:07:37,843 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:37,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202294203] [2021-10-16 03:07:37,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202294203] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:37,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:37,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 03:07:37,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012624473] [2021-10-16 03:07:37,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:07:37,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:37,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:07:37,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:07:37,873 INFO L87 Difference]: Start difference. First operand has 108 states, 106 states have (on average 1.6981132075471699) internal successors, (180), 107 states have internal predecessors, (180), 0 states have call successors, (0), 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 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 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 03:07:37,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:37,923 INFO L93 Difference]: Finished difference Result 179 states and 297 transitions. [2021-10-16 03:07:37,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:07:37,924 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2021-10-16 03:07:37,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:37,935 INFO L225 Difference]: With dead ends: 179 [2021-10-16 03:07:37,935 INFO L226 Difference]: Without dead ends: 104 [2021-10-16 03:07:37,939 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:07:37,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-16 03:07:37,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-16 03:07:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6601941747572815) internal successors, (171), 103 states have internal predecessors, (171), 0 states have call successors, (0), 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 03:07:38,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 171 transitions. [2021-10-16 03:07:38,012 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 171 transitions. Word has length 27 [2021-10-16 03:07:38,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:38,013 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 171 transitions. [2021-10-16 03:07:38,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 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 03:07:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2021-10-16 03:07:38,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-16 03:07:38,020 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:38,020 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:07:38,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:38,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:38,231 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:38,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:38,232 INFO L82 PathProgramCache]: Analyzing trace with hash -355082148, now seen corresponding path program 1 times [2021-10-16 03:07:38,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:38,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550154460] [2021-10-16 03:07:38,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:38,234 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:38,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:38,235 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:38,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 03:07:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:38,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:38,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:38,507 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 03:07:38,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:38,671 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 03:07:38,672 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:38,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550154460] [2021-10-16 03:07:38,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550154460] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:38,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:38,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:38,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975606921] [2021-10-16 03:07:38,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:38,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:38,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:38,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:38,677 INFO L87 Difference]: Start difference. First operand 104 states and 171 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:38,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:38,704 INFO L93 Difference]: Finished difference Result 202 states and 334 transitions. [2021-10-16 03:07:38,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:38,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-10-16 03:07:38,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:38,707 INFO L225 Difference]: With dead ends: 202 [2021-10-16 03:07:38,707 INFO L226 Difference]: Without dead ends: 104 [2021-10-16 03:07:38,708 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:38,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-16 03:07:38,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-16 03:07:38,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6504854368932038) internal successors, (170), 103 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:38,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 170 transitions. [2021-10-16 03:07:38,718 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 170 transitions. Word has length 64 [2021-10-16 03:07:38,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:38,719 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 170 transitions. [2021-10-16 03:07:38,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:38,719 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 170 transitions. [2021-10-16 03:07:38,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-16 03:07:38,722 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:38,722 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:07:38,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:38,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:38,934 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:38,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:38,935 INFO L82 PathProgramCache]: Analyzing trace with hash 431895830, now seen corresponding path program 1 times [2021-10-16 03:07:38,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:38,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584856532] [2021-10-16 03:07:38,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:38,936 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:38,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:38,938 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:38,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 03:07:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:39,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:39,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:39,282 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 03:07:39,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:39,516 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 03:07:39,516 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:39,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584856532] [2021-10-16 03:07:39,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584856532] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:39,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:39,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:39,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171587092] [2021-10-16 03:07:39,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:39,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:39,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:39,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:39,520 INFO L87 Difference]: Start difference. First operand 104 states and 170 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 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 03:07:39,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:39,541 INFO L93 Difference]: Finished difference Result 199 states and 328 transitions. [2021-10-16 03:07:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:39,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2021-10-16 03:07:39,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:39,543 INFO L225 Difference]: With dead ends: 199 [2021-10-16 03:07:39,543 INFO L226 Difference]: Without dead ends: 104 [2021-10-16 03:07:39,549 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:39,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-16 03:07:39,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-16 03:07:39,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6407766990291262) internal successors, (169), 103 states have internal predecessors, (169), 0 states have call successors, (0), 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 03:07:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 169 transitions. [2021-10-16 03:07:39,558 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 169 transitions. Word has length 66 [2021-10-16 03:07:39,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:39,558 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 169 transitions. [2021-10-16 03:07:39,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 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 03:07:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 169 transitions. [2021-10-16 03:07:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-16 03:07:39,562 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:39,562 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:07:39,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:39,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:39,773 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:39,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:39,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1220222108, now seen corresponding path program 1 times [2021-10-16 03:07:39,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:39,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450770679] [2021-10-16 03:07:39,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:39,775 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:39,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:39,780 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:39,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 03:07:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:39,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:39,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:40,158 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 03:07:40,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:40,408 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 03:07:40,411 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:40,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450770679] [2021-10-16 03:07:40,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450770679] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:40,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:40,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:40,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794114951] [2021-10-16 03:07:40,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:40,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:40,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:40,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:40,416 INFO L87 Difference]: Start difference. First operand 104 states and 169 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 03:07:40,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:40,446 INFO L93 Difference]: Finished difference Result 196 states and 322 transitions. [2021-10-16 03:07:40,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:40,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2021-10-16 03:07:40,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:40,452 INFO L225 Difference]: With dead ends: 196 [2021-10-16 03:07:40,452 INFO L226 Difference]: Without dead ends: 104 [2021-10-16 03:07:40,454 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:40,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-16 03:07:40,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-16 03:07:40,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6310679611650485) internal successors, (168), 103 states have internal predecessors, (168), 0 states have call successors, (0), 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 03:07:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 168 transitions. [2021-10-16 03:07:40,469 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 168 transitions. Word has length 68 [2021-10-16 03:07:40,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:40,471 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 168 transitions. [2021-10-16 03:07:40,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 03:07:40,472 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2021-10-16 03:07:40,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-16 03:07:40,481 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:40,482 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:40,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:40,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:40,694 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:40,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:40,695 INFO L82 PathProgramCache]: Analyzing trace with hash -2086729770, now seen corresponding path program 1 times [2021-10-16 03:07:40,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:40,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293261910] [2021-10-16 03:07:40,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:40,696 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:40,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:40,697 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:40,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 03:07:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:40,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:40,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:41,076 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 03:07:41,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:41,247 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 03:07:41,247 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:41,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293261910] [2021-10-16 03:07:41,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293261910] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:41,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:41,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:41,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582199203] [2021-10-16 03:07:41,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:41,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:41,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:41,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:41,256 INFO L87 Difference]: Start difference. First operand 104 states and 168 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 03:07:41,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:41,279 INFO L93 Difference]: Finished difference Result 193 states and 316 transitions. [2021-10-16 03:07:41,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:41,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2021-10-16 03:07:41,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:41,289 INFO L225 Difference]: With dead ends: 193 [2021-10-16 03:07:41,289 INFO L226 Difference]: Without dead ends: 104 [2021-10-16 03:07:41,292 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 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 03:07:41,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-16 03:07:41,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-16 03:07:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6213592233009708) internal successors, (167), 103 states have internal predecessors, (167), 0 states have call successors, (0), 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 03:07:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 167 transitions. [2021-10-16 03:07:41,308 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 167 transitions. Word has length 70 [2021-10-16 03:07:41,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:41,309 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 167 transitions. [2021-10-16 03:07:41,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 03:07:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2021-10-16 03:07:41,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-16 03:07:41,313 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:41,313 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:41,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:41,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:41,529 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:41,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:41,529 INFO L82 PathProgramCache]: Analyzing trace with hash 541706460, now seen corresponding path program 1 times [2021-10-16 03:07:41,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:41,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702621409] [2021-10-16 03:07:41,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:41,530 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:41,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:41,532 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:41,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 03:07:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:41,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:41,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:41,922 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 03:07:41,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:42,103 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 03:07:42,103 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:42,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702621409] [2021-10-16 03:07:42,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702621409] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:42,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:42,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:07:42,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523079667] [2021-10-16 03:07:42,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:07:42,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:42,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:07:42,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:42,106 INFO L87 Difference]: Start difference. First operand 104 states and 167 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:07:42,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:42,164 INFO L93 Difference]: Finished difference Result 278 states and 454 transitions. [2021-10-16 03:07:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:07:42,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 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 72 [2021-10-16 03:07:42,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:42,167 INFO L225 Difference]: With dead ends: 278 [2021-10-16 03:07:42,167 INFO L226 Difference]: Without dead ends: 198 [2021-10-16 03:07:42,168 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:42,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-10-16 03:07:42,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 195. [2021-10-16 03:07:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 194 states have (on average 1.6288659793814433) internal successors, (316), 194 states have internal predecessors, (316), 0 states have call successors, (0), 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 03:07:42,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 316 transitions. [2021-10-16 03:07:42,194 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 316 transitions. Word has length 72 [2021-10-16 03:07:42,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:42,195 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 316 transitions. [2021-10-16 03:07:42,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 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 03:07:42,195 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 316 transitions. [2021-10-16 03:07:42,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-16 03:07:42,196 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:42,197 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:42,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:42,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:42,409 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:42,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:42,410 INFO L82 PathProgramCache]: Analyzing trace with hash 60533476, now seen corresponding path program 1 times [2021-10-16 03:07:42,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:42,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304426065] [2021-10-16 03:07:42,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:42,415 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:42,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:42,416 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:42,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-16 03:07:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:42,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:07:42,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:42,879 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 03:07:42,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:43,059 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 03:07:43,059 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:43,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304426065] [2021-10-16 03:07:43,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304426065] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:43,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:43,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 03:07:43,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676137073] [2021-10-16 03:07:43,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 03:07:43,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:43,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 03:07:43,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:07:43,062 INFO L87 Difference]: Start difference. First operand 195 states and 316 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 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 03:07:43,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:43,190 INFO L93 Difference]: Finished difference Result 416 states and 655 transitions. [2021-10-16 03:07:43,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 03:07:43,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 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 72 [2021-10-16 03:07:43,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:43,193 INFO L225 Difference]: With dead ends: 416 [2021-10-16 03:07:43,194 INFO L226 Difference]: Without dead ends: 278 [2021-10-16 03:07:43,195 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 74.4ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-10-16 03:07:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-10-16 03:07:43,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 201. [2021-10-16 03:07:43,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 200 states have (on average 1.61) internal successors, (322), 200 states have internal predecessors, (322), 0 states have call successors, (0), 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 03:07:43,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 322 transitions. [2021-10-16 03:07:43,217 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 322 transitions. Word has length 72 [2021-10-16 03:07:43,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:43,220 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 322 transitions. [2021-10-16 03:07:43,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 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 03:07:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 322 transitions. [2021-10-16 03:07:43,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-16 03:07:43,221 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:43,222 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:43,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:43,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:43,434 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:43,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:43,434 INFO L82 PathProgramCache]: Analyzing trace with hash -333833310, now seen corresponding path program 1 times [2021-10-16 03:07:43,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:43,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555943002] [2021-10-16 03:07:43,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:43,436 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:43,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:43,437 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:43,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 03:07:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:43,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:43,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:43,842 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 03:07:43,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:43,991 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 03:07:43,991 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:43,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555943002] [2021-10-16 03:07:43,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1555943002] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:43,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:43,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:43,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542246399] [2021-10-16 03:07:43,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:43,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:43,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:43,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:43,994 INFO L87 Difference]: Start difference. First operand 201 states and 322 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 03:07:44,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:44,033 INFO L93 Difference]: Finished difference Result 422 states and 674 transitions. [2021-10-16 03:07:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:44,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-10-16 03:07:44,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:44,036 INFO L225 Difference]: With dead ends: 422 [2021-10-16 03:07:44,037 INFO L226 Difference]: Without dead ends: 278 [2021-10-16 03:07:44,037 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:44,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-10-16 03:07:44,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 275. [2021-10-16 03:07:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 274 states have (on average 1.594890510948905) internal successors, (437), 274 states have internal predecessors, (437), 0 states have call successors, (0), 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 03:07:44,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 437 transitions. [2021-10-16 03:07:44,055 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 437 transitions. Word has length 72 [2021-10-16 03:07:44,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:44,056 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 437 transitions. [2021-10-16 03:07:44,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 03:07:44,056 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 437 transitions. [2021-10-16 03:07:44,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-16 03:07:44,057 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:44,058 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:44,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:44,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:44,274 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:44,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:44,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1594439392, now seen corresponding path program 1 times [2021-10-16 03:07:44,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:44,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063579897] [2021-10-16 03:07:44,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:44,275 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:44,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:44,277 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:44,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 03:07:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:44,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:07:44,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:44,773 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 03:07:44,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:44,948 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 03:07:44,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:44,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063579897] [2021-10-16 03:07:44,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063579897] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:44,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:44,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 03:07:44,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458747532] [2021-10-16 03:07:44,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 03:07:44,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:44,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 03:07:44,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:07:44,952 INFO L87 Difference]: Start difference. First operand 275 states and 437 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 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 03:07:45,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:45,105 INFO L93 Difference]: Finished difference Result 777 states and 1216 transitions. [2021-10-16 03:07:45,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 03:07:45,106 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 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 72 [2021-10-16 03:07:45,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:45,110 INFO L225 Difference]: With dead ends: 777 [2021-10-16 03:07:45,110 INFO L226 Difference]: Without dead ends: 575 [2021-10-16 03:07:45,111 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 45.7ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:07:45,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-10-16 03:07:45,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 287. [2021-10-16 03:07:45,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.56993006993007) internal successors, (449), 286 states have internal predecessors, (449), 0 states have call successors, (0), 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 03:07:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 449 transitions. [2021-10-16 03:07:45,136 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 449 transitions. Word has length 72 [2021-10-16 03:07:45,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:45,137 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 449 transitions. [2021-10-16 03:07:45,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 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 03:07:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 449 transitions. [2021-10-16 03:07:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-16 03:07:45,138 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:45,139 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:45,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:45,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:45,351 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:45,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:45,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1043865723, now seen corresponding path program 1 times [2021-10-16 03:07:45,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:45,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541753160] [2021-10-16 03:07:45,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:45,352 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:45,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:45,353 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:45,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 03:07:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:45,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:45,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:45,814 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 03:07:45,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:45,967 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 03:07:45,967 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:45,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541753160] [2021-10-16 03:07:45,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541753160] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:45,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:45,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:45,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465468149] [2021-10-16 03:07:45,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:45,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:45,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:45,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:45,969 INFO L87 Difference]: Start difference. First operand 287 states and 449 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 03:07:46,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:46,044 INFO L93 Difference]: Finished difference Result 581 states and 909 transitions. [2021-10-16 03:07:46,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:46,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2021-10-16 03:07:46,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:46,047 INFO L225 Difference]: With dead ends: 581 [2021-10-16 03:07:46,047 INFO L226 Difference]: Without dead ends: 343 [2021-10-16 03:07:46,048 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:46,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-10-16 03:07:46,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 331. [2021-10-16 03:07:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 330 states have (on average 1.5454545454545454) internal successors, (510), 330 states have internal predecessors, (510), 0 states have call successors, (0), 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 03:07:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 510 transitions. [2021-10-16 03:07:46,073 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 510 transitions. Word has length 75 [2021-10-16 03:07:46,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:46,073 INFO L470 AbstractCegarLoop]: Abstraction has 331 states and 510 transitions. [2021-10-16 03:07:46,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 03:07:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 510 transitions. [2021-10-16 03:07:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-16 03:07:46,075 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:46,075 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:46,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:46,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:46,288 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:46,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:46,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1477594809, now seen corresponding path program 1 times [2021-10-16 03:07:46,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:46,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741883054] [2021-10-16 03:07:46,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:46,289 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:46,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:46,290 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:46,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-16 03:07:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:46,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:46,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:46,793 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 03:07:46,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:46,958 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 03:07:46,958 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:46,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741883054] [2021-10-16 03:07:46,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741883054] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:46,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:46,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:46,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884472519] [2021-10-16 03:07:46,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:46,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:46,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:46,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:46,961 INFO L87 Difference]: Start difference. First operand 331 states and 510 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 03:07:47,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:47,023 INFO L93 Difference]: Finished difference Result 678 states and 1047 transitions. [2021-10-16 03:07:47,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:47,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2021-10-16 03:07:47,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:47,026 INFO L225 Difference]: With dead ends: 678 [2021-10-16 03:07:47,027 INFO L226 Difference]: Without dead ends: 384 [2021-10-16 03:07:47,028 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:47,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2021-10-16 03:07:47,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 382. [2021-10-16 03:07:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 381 states have (on average 1.5328083989501313) internal successors, (584), 381 states have internal predecessors, (584), 0 states have call successors, (0), 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 03:07:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 584 transitions. [2021-10-16 03:07:47,056 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 584 transitions. Word has length 75 [2021-10-16 03:07:47,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:47,056 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 584 transitions. [2021-10-16 03:07:47,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 03:07:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 584 transitions. [2021-10-16 03:07:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-16 03:07:47,058 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:47,059 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:47,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:47,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:47,271 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:47,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:47,272 INFO L82 PathProgramCache]: Analyzing trace with hash 510244155, now seen corresponding path program 1 times [2021-10-16 03:07:47,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:47,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556790054] [2021-10-16 03:07:47,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:47,272 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:47,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:47,273 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:47,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-16 03:07:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:47,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:47,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:47,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:48,063 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 03:07:48,064 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:48,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556790054] [2021-10-16 03:07:48,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556790054] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:48,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:48,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:07:48,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301733180] [2021-10-16 03:07:48,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:07:48,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:48,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:07:48,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:48,066 INFO L87 Difference]: Start difference. First operand 382 states and 584 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:48,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:48,107 INFO L93 Difference]: Finished difference Result 655 states and 995 transitions. [2021-10-16 03:07:48,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:48,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-10-16 03:07:48,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:48,109 INFO L225 Difference]: With dead ends: 655 [2021-10-16 03:07:48,110 INFO L226 Difference]: Without dead ends: 296 [2021-10-16 03:07:48,110 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:48,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-10-16 03:07:48,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2021-10-16 03:07:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 295 states have (on average 1.494915254237288) internal successors, (441), 295 states have internal predecessors, (441), 0 states have call successors, (0), 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 03:07:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 441 transitions. [2021-10-16 03:07:48,134 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 441 transitions. Word has length 75 [2021-10-16 03:07:48,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:48,134 INFO L470 AbstractCegarLoop]: Abstraction has 296 states and 441 transitions. [2021-10-16 03:07:48,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 441 transitions. [2021-10-16 03:07:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-16 03:07:48,136 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:48,136 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:48,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:48,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:48,349 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:48,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:48,350 INFO L82 PathProgramCache]: Analyzing trace with hash 969577782, now seen corresponding path program 1 times [2021-10-16 03:07:48,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:48,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420399992] [2021-10-16 03:07:48,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:48,351 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:48,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:48,352 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:48,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-16 03:07:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:48,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:48,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:49,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:49,369 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:49,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420399992] [2021-10-16 03:07:49,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420399992] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:49,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:49,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 03:07:49,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403494264] [2021-10-16 03:07:49,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:07:49,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:49,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:07:49,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:07:49,372 INFO L87 Difference]: Start difference. First operand 296 states and 441 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 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 03:07:49,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:49,420 INFO L93 Difference]: Finished difference Result 508 states and 761 transitions. [2021-10-16 03:07:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:07:49,421 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 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 86 [2021-10-16 03:07:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:49,423 INFO L225 Difference]: With dead ends: 508 [2021-10-16 03:07:49,424 INFO L226 Difference]: Without dead ends: 263 [2021-10-16 03:07:49,424 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 21.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:07:49,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-10-16 03:07:49,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2021-10-16 03:07:49,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 262 states have (on average 1.4809160305343512) internal successors, (388), 262 states have internal predecessors, (388), 0 states have call successors, (0), 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 03:07:49,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 388 transitions. [2021-10-16 03:07:49,461 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 388 transitions. Word has length 86 [2021-10-16 03:07:49,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:49,462 INFO L470 AbstractCegarLoop]: Abstraction has 263 states and 388 transitions. [2021-10-16 03:07:49,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 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 03:07:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 388 transitions. [2021-10-16 03:07:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-16 03:07:49,464 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:49,464 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:49,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:49,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:49,676 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:49,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:49,676 INFO L82 PathProgramCache]: Analyzing trace with hash -272932917, now seen corresponding path program 1 times [2021-10-16 03:07:49,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:49,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808521358] [2021-10-16 03:07:49,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:49,677 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:49,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:49,679 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:49,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-16 03:07:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:50,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:50,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:50,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:50,583 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:50,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808521358] [2021-10-16 03:07:50,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808521358] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:50,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:50,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 03:07:50,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256184956] [2021-10-16 03:07:50,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:07:50,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:50,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:07:50,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:07:50,586 INFO L87 Difference]: Start difference. First operand 263 states and 388 transitions. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 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 03:07:50,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:50,655 INFO L93 Difference]: Finished difference Result 475 states and 704 transitions. [2021-10-16 03:07:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:07:50,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 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 87 [2021-10-16 03:07:50,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:50,657 INFO L225 Difference]: With dead ends: 475 [2021-10-16 03:07:50,658 INFO L226 Difference]: Without dead ends: 263 [2021-10-16 03:07:50,659 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 20.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:07:50,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-10-16 03:07:50,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2021-10-16 03:07:50,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 262 states have (on average 1.465648854961832) internal successors, (384), 262 states have internal predecessors, (384), 0 states have call successors, (0), 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 03:07:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 384 transitions. [2021-10-16 03:07:50,693 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 384 transitions. Word has length 87 [2021-10-16 03:07:50,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:50,694 INFO L470 AbstractCegarLoop]: Abstraction has 263 states and 384 transitions. [2021-10-16 03:07:50,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 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 03:07:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 384 transitions. [2021-10-16 03:07:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-16 03:07:50,696 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:50,696 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:50,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:50,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:50,909 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:50,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:50,909 INFO L82 PathProgramCache]: Analyzing trace with hash 754091632, now seen corresponding path program 1 times [2021-10-16 03:07:50,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:50,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390131929] [2021-10-16 03:07:50,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:50,910 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:50,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:50,911 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:50,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-16 03:07:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:51,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:51,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:51,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:51,765 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:51,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390131929] [2021-10-16 03:07:51,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390131929] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:51,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:51,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:51,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203326335] [2021-10-16 03:07:51,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:51,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:51,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:51,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:51,767 INFO L87 Difference]: Start difference. First operand 263 states and 384 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 03:07:51,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:51,830 INFO L93 Difference]: Finished difference Result 673 states and 984 transitions. [2021-10-16 03:07:51,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:51,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2021-10-16 03:07:51,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:51,834 INFO L225 Difference]: With dead ends: 673 [2021-10-16 03:07:51,834 INFO L226 Difference]: Without dead ends: 461 [2021-10-16 03:07:51,836 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:51,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-10-16 03:07:51,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 269. [2021-10-16 03:07:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 268 states have (on average 1.455223880597015) internal successors, (390), 268 states have internal predecessors, (390), 0 states have call successors, (0), 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 03:07:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 390 transitions. [2021-10-16 03:07:51,866 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 390 transitions. Word has length 88 [2021-10-16 03:07:51,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:51,867 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 390 transitions. [2021-10-16 03:07:51,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 03:07:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 390 transitions. [2021-10-16 03:07:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-16 03:07:51,869 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:51,869 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:51,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:52,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:52,083 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:52,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:52,083 INFO L82 PathProgramCache]: Analyzing trace with hash -715020230, now seen corresponding path program 1 times [2021-10-16 03:07:52,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:52,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942801006] [2021-10-16 03:07:52,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:52,084 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:52,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:52,085 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:52,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-16 03:07:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:52,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:52,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:52,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:53,110 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:53,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942801006] [2021-10-16 03:07:53,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [942801006] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:53,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:53,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 03:07:53,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410565717] [2021-10-16 03:07:53,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:07:53,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:53,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:07:53,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:07:53,112 INFO L87 Difference]: Start difference. First operand 269 states and 390 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 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 03:07:53,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:53,176 INFO L93 Difference]: Finished difference Result 479 states and 692 transitions. [2021-10-16 03:07:53,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:07:53,177 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 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 89 [2021-10-16 03:07:53,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:53,179 INFO L225 Difference]: With dead ends: 479 [2021-10-16 03:07:53,179 INFO L226 Difference]: Without dead ends: 261 [2021-10-16 03:07:53,180 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 24.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:07:53,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-10-16 03:07:53,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2021-10-16 03:07:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 260 states have (on average 1.4230769230769231) internal successors, (370), 260 states have internal predecessors, (370), 0 states have call successors, (0), 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 03:07:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 370 transitions. [2021-10-16 03:07:53,210 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 370 transitions. Word has length 89 [2021-10-16 03:07:53,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:53,210 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 370 transitions. [2021-10-16 03:07:53,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 0 states have call successors, (0), 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 03:07:53,211 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 370 transitions. [2021-10-16 03:07:53,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-10-16 03:07:53,212 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:53,212 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:53,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:53,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:53,429 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:53,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:53,429 INFO L82 PathProgramCache]: Analyzing trace with hash -995630559, now seen corresponding path program 1 times [2021-10-16 03:07:53,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:53,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122377581] [2021-10-16 03:07:53,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:53,430 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:53,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:53,430 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:53,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-16 03:07:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:54,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:54,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:54,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:54,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:54,404 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:54,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122377581] [2021-10-16 03:07:54,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122377581] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:54,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:54,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:54,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151163467] [2021-10-16 03:07:54,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:54,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:54,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:54,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:54,407 INFO L87 Difference]: Start difference. First operand 261 states and 370 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 03:07:54,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:54,463 INFO L93 Difference]: Finished difference Result 677 states and 960 transitions. [2021-10-16 03:07:54,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:54,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-10-16 03:07:54,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:54,467 INFO L225 Difference]: With dead ends: 677 [2021-10-16 03:07:54,467 INFO L226 Difference]: Without dead ends: 467 [2021-10-16 03:07:54,468 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 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 03:07:54,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2021-10-16 03:07:54,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 269. [2021-10-16 03:07:54,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 268 states have (on average 1.4104477611940298) internal successors, (378), 268 states have internal predecessors, (378), 0 states have call successors, (0), 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 03:07:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 378 transitions. [2021-10-16 03:07:54,504 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 378 transitions. Word has length 90 [2021-10-16 03:07:54,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:54,504 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 378 transitions. [2021-10-16 03:07:54,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 03:07:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 378 transitions. [2021-10-16 03:07:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-10-16 03:07:54,506 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:54,506 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:54,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:54,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:54,719 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:54,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:54,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1893023837, now seen corresponding path program 1 times [2021-10-16 03:07:54,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:54,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060048371] [2021-10-16 03:07:54,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:54,720 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:54,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:54,721 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:54,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-16 03:07:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:55,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:55,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:55,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:55,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:55,652 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:55,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2060048371] [2021-10-16 03:07:55,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2060048371] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:55,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:55,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:55,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479084305] [2021-10-16 03:07:55,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:55,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:55,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:55,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:55,654 INFO L87 Difference]: Start difference. First operand 269 states and 378 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 03:07:55,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:55,726 INFO L93 Difference]: Finished difference Result 573 states and 796 transitions. [2021-10-16 03:07:55,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:55,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-10-16 03:07:55,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:55,729 INFO L225 Difference]: With dead ends: 573 [2021-10-16 03:07:55,729 INFO L226 Difference]: Without dead ends: 355 [2021-10-16 03:07:55,730 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:55,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-10-16 03:07:55,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 311. [2021-10-16 03:07:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 310 states have (on average 1.4064516129032258) internal successors, (436), 310 states have internal predecessors, (436), 0 states have call successors, (0), 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 03:07:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 436 transitions. [2021-10-16 03:07:55,762 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 436 transitions. Word has length 90 [2021-10-16 03:07:55,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:55,763 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 436 transitions. [2021-10-16 03:07:55,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 03:07:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 436 transitions. [2021-10-16 03:07:55,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-16 03:07:55,765 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:55,765 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:55,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:55,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:55,978 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:55,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:55,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1064241767, now seen corresponding path program 1 times [2021-10-16 03:07:55,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:55,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73730824] [2021-10-16 03:07:55,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:55,980 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:55,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:55,981 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:56,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-16 03:07:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:56,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:56,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:56,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:57,235 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:57,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [73730824] [2021-10-16 03:07:57,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [73730824] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 03:07:57,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-16 03:07:57,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-10-16 03:07:57,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952982612] [2021-10-16 03:07:57,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:07:57,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:57,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:07:57,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:07:57,237 INFO L87 Difference]: Start difference. First operand 311 states and 436 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 03:07:57,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:57,302 INFO L93 Difference]: Finished difference Result 739 states and 1028 transitions. [2021-10-16 03:07:57,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:07:57,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2021-10-16 03:07:57,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:57,306 INFO L225 Difference]: With dead ends: 739 [2021-10-16 03:07:57,306 INFO L226 Difference]: Without dead ends: 461 [2021-10-16 03:07:57,307 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:07:57,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-10-16 03:07:57,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 440. [2021-10-16 03:07:57,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 439 states have (on average 1.3849658314350797) internal successors, (608), 439 states have internal predecessors, (608), 0 states have call successors, (0), 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 03:07:57,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 608 transitions. [2021-10-16 03:07:57,364 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 608 transitions. Word has length 92 [2021-10-16 03:07:57,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:57,365 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 608 transitions. [2021-10-16 03:07:57,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 03:07:57,365 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 608 transitions. [2021-10-16 03:07:57,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-16 03:07:57,366 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:57,367 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:57,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:57,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:57,580 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:57,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:57,581 INFO L82 PathProgramCache]: Analyzing trace with hash -816095273, now seen corresponding path program 1 times [2021-10-16 03:07:57,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:57,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037529070] [2021-10-16 03:07:57,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:57,581 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:57,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:57,583 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:57,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-10-16 03:07:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:58,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:58,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:58,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:58,580 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:58,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037529070] [2021-10-16 03:07:58,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037529070] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:58,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:58,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:07:58,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57833940] [2021-10-16 03:07:58,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:07:58,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:58,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:07:58,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:58,583 INFO L87 Difference]: Start difference. First operand 440 states and 608 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 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 03:07:58,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:58,710 INFO L93 Difference]: Finished difference Result 1521 states and 2119 transitions. [2021-10-16 03:07:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:07:58,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 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 92 [2021-10-16 03:07:58,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:58,717 INFO L225 Difference]: With dead ends: 1521 [2021-10-16 03:07:58,717 INFO L226 Difference]: Without dead ends: 1115 [2021-10-16 03:07:58,719 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:58,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2021-10-16 03:07:58,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 449. [2021-10-16 03:07:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.3772321428571428) internal successors, (617), 448 states have internal predecessors, (617), 0 states have call successors, (0), 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 03:07:58,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 617 transitions. [2021-10-16 03:07:58,776 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 617 transitions. Word has length 92 [2021-10-16 03:07:58,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:58,776 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 617 transitions. [2021-10-16 03:07:58,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 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 03:07:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 617 transitions. [2021-10-16 03:07:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-16 03:07:58,778 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:58,778 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:58,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:58,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:58,992 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:58,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:58,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1725100329, now seen corresponding path program 1 times [2021-10-16 03:07:58,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:58,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957246624] [2021-10-16 03:07:58,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:58,993 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:58,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:58,994 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:59,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-16 03:07:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:59,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:59,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:07:59,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:08:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:08:00,213 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:08:00,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957246624] [2021-10-16 03:08:00,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957246624] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:08:00,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:08:00,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 03:08:00,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601504] [2021-10-16 03:08:00,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:08:00,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:08:00,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:08:00,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:08:00,215 INFO L87 Difference]: Start difference. First operand 449 states and 617 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 03:08:00,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:08:00,257 INFO L93 Difference]: Finished difference Result 568 states and 778 transitions. [2021-10-16 03:08:00,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:08:00,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 92 [2021-10-16 03:08:00,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:08:00,258 INFO L225 Difference]: With dead ends: 568 [2021-10-16 03:08:00,258 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:08:00,259 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:08:00,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:08:00,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:08:00,260 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 03:08:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:08:00,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2021-10-16 03:08:00,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:08:00,261 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:08:00,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 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 03:08:00,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:08:00,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:08:00,264 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:08:00,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-10-16 03:08:00,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:08:00,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:08:00,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:00,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:01,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:08:03,142 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 404) no Hoare annotation was computed. [2021-10-16 03:08:03,142 INFO L853 garLoopResultBuilder]: At program point L333-1(lines 309 341) the Hoare annotation is: (and (= ~b0_ev~0 (_ bv1 32)) (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,143 INFO L853 garLoopResultBuilder]: At program point L267(lines 259 269) the Hoare annotation is: (let ((.cse0 (= ~b0_val_t~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ~z_ev~0)) (.cse2 (= ~d1_val_t~0 (_ bv1 32))) (.cse3 (= ~z_val~0 (_ bv0 32))) (.cse4 (= ~d1_val~0 (_ bv1 32))) (.cse5 (= ~b0_val~0 (_ bv1 32))) (.cse6 (= ~d0_val_t~0 (_ bv1 32))) (.cse7 (= (_ bv1 32) ~b1_val_t~0)) (.cse8 (= ~b1_val~0 (_ bv1 32))) (.cse9 (= ~d0_val~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= (_ bv1 32) ULTIMATE.start_exists_runnable_thread_~__retres1~1) .cse4 (= ~comp_m1_st~0 (_ bv0 32)) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~z_val_t~0 (_ bv0 32)) .cse6 .cse7 .cse8 .cse9))) [2021-10-16 03:08:03,143 INFO L853 garLoopResultBuilder]: At program point L366-3(lines 342 374) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,143 INFO L853 garLoopResultBuilder]: At program point L333-3(lines 309 341) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,143 INFO L853 garLoopResultBuilder]: At program point L267-1(lines 259 269) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,143 INFO L853 garLoopResultBuilder]: At program point L268(lines 256 270) the Hoare annotation is: (let ((.cse0 (= ~b0_val_t~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ~z_ev~0)) (.cse2 (= ~d1_val_t~0 (_ bv1 32))) (.cse3 (= ~z_val~0 (_ bv0 32))) (.cse4 (= ~d1_val~0 (_ bv1 32))) (.cse5 (= ~b0_val~0 (_ bv1 32))) (.cse6 (= ~d0_val_t~0 (_ bv1 32))) (.cse7 (= (_ bv1 32) ~b1_val_t~0)) (.cse8 (= ~b1_val~0 (_ bv1 32))) (.cse9 (= ~d0_val~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~z_val_t~0 (_ bv0 32)) .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_exists_runnable_thread_#res| (_ bv1 32)) .cse3 (= (_ bv1 32) ULTIMATE.start_exists_runnable_thread_~__retres1~1) .cse4 (= ~comp_m1_st~0 (_ bv0 32)) .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-16 03:08:03,144 INFO L853 garLoopResultBuilder]: At program point L268-1(lines 256 270) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,144 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 118) no Hoare annotation was computed. [2021-10-16 03:08:03,144 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 103 118) no Hoare annotation was computed. [2021-10-16 03:08:03,144 INFO L857 garLoopResultBuilder]: For program point L71(lines 43 93) no Hoare annotation was computed. [2021-10-16 03:08:03,144 INFO L860 garLoopResultBuilder]: At program point L501(lines 485 503) the Hoare annotation is: true [2021-10-16 03:08:03,144 INFO L853 garLoopResultBuilder]: At program point L303(lines 271 308) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,144 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 210) no Hoare annotation was computed. [2021-10-16 03:08:03,144 INFO L853 garLoopResultBuilder]: At program point L204-1(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~b1_req_up~0 (_ bv1 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~d1_req_up~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_req_up~0 (_ bv1 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0)) [2021-10-16 03:08:03,145 INFO L857 garLoopResultBuilder]: For program point L204-2(lines 204 210) no Hoare annotation was computed. [2021-10-16 03:08:03,145 INFO L853 garLoopResultBuilder]: At program point L204-3(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,145 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 76) no Hoare annotation was computed. [2021-10-16 03:08:03,145 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 117) no Hoare annotation was computed. [2021-10-16 03:08:03,145 INFO L857 garLoopResultBuilder]: For program point L107-1(lines 107 117) no Hoare annotation was computed. [2021-10-16 03:08:03,145 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 179) no Hoare annotation was computed. [2021-10-16 03:08:03,145 INFO L857 garLoopResultBuilder]: For program point L174-2(lines 174 179) no Hoare annotation was computed. [2021-10-16 03:08:03,145 INFO L857 garLoopResultBuilder]: For program point L174-3(lines 174 179) no Hoare annotation was computed. [2021-10-16 03:08:03,145 INFO L857 garLoopResultBuilder]: For program point L174-5(lines 174 179) no Hoare annotation was computed. [2021-10-16 03:08:03,146 INFO L853 garLoopResultBuilder]: At program point L406(lines 395 408) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,146 INFO L853 garLoopResultBuilder]: At program point L407(lines 391 409) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,146 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 52) no Hoare annotation was computed. [2021-10-16 03:08:03,146 INFO L857 garLoopResultBuilder]: For program point L44-1(lines 43 93) no Hoare annotation was computed. [2021-10-16 03:08:03,146 INFO L857 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2021-10-16 03:08:03,146 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2021-10-16 03:08:03,146 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 149) no Hoare annotation was computed. [2021-10-16 03:08:03,146 INFO L857 garLoopResultBuilder]: For program point L111(lines 111 116) no Hoare annotation was computed. [2021-10-16 03:08:03,147 INFO L857 garLoopResultBuilder]: For program point L144-2(lines 144 149) no Hoare annotation was computed. [2021-10-16 03:08:03,147 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 111 116) no Hoare annotation was computed. [2021-10-16 03:08:03,147 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 49) no Hoare annotation was computed. [2021-10-16 03:08:03,147 INFO L857 garLoopResultBuilder]: For program point L144-3(lines 144 149) no Hoare annotation was computed. [2021-10-16 03:08:03,147 INFO L857 garLoopResultBuilder]: For program point L144-5(lines 144 149) no Hoare annotation was computed. [2021-10-16 03:08:03,147 INFO L853 garLoopResultBuilder]: At program point L211(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~d1_req_up~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_req_up~0 (_ bv1 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32))) [2021-10-16 03:08:03,147 INFO L853 garLoopResultBuilder]: At program point L211-1(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,147 INFO L857 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2021-10-16 03:08:03,147 INFO L857 garLoopResultBuilder]: For program point L346-1(lines 345 373) no Hoare annotation was computed. [2021-10-16 03:08:03,148 INFO L857 garLoopResultBuilder]: For program point L313-1(lines 312 340) no Hoare annotation was computed. [2021-10-16 03:08:03,148 INFO L857 garLoopResultBuilder]: For program point L313-2(lines 313 317) no Hoare annotation was computed. [2021-10-16 03:08:03,148 INFO L857 garLoopResultBuilder]: For program point L346-3(lines 345 373) no Hoare annotation was computed. [2021-10-16 03:08:03,148 INFO L853 garLoopResultBuilder]: At program point L247-1(lines 313 317) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,148 INFO L857 garLoopResultBuilder]: For program point L313-4(lines 312 340) no Hoare annotation was computed. [2021-10-16 03:08:03,148 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 87) no Hoare annotation was computed. [2021-10-16 03:08:03,148 INFO L857 garLoopResultBuilder]: For program point L83-2(lines 80 88) no Hoare annotation was computed. [2021-10-16 03:08:03,148 INFO L853 garLoopResultBuilder]: At program point L447(lines 493 499) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (not (= (_ bv0 32) ~z_ev~0)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,148 INFO L857 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2021-10-16 03:08:03,149 INFO L857 garLoopResultBuilder]: For program point L282-1(lines 277 302) no Hoare annotation was computed. [2021-10-16 03:08:03,149 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-10-16 03:08:03,149 INFO L853 garLoopResultBuilder]: At program point L382-2(lines 346 350) the Hoare annotation is: (and (= ~b0_ev~0 (_ bv1 32)) (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,149 INFO L857 garLoopResultBuilder]: For program point L382-3(lines 382 386) no Hoare annotation was computed. [2021-10-16 03:08:03,149 INFO L853 garLoopResultBuilder]: At program point L382-5(lines 346 350) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,149 INFO L853 garLoopResultBuilder]: At program point L482(lines 453 484) the Hoare annotation is: (and (= ~b0_val~0 (_ bv0 32)) (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b1_req_up~0 (_ bv1 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~d1_req_up~0 (_ bv1 32)) (= ~b0_req_up~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_req_up~0 (_ bv1 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0)) [2021-10-16 03:08:03,149 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:08:03,150 INFO L853 garLoopResultBuilder]: At program point L218(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~d1_req_up~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,150 INFO L853 garLoopResultBuilder]: At program point L218-1(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,150 INFO L857 garLoopResultBuilder]: For program point L53(lines 43 93) no Hoare annotation was computed. [2021-10-16 03:08:03,150 INFO L857 garLoopResultBuilder]: For program point L351-1(lines 345 373) no Hoare annotation was computed. [2021-10-16 03:08:03,150 INFO L857 garLoopResultBuilder]: For program point L318-1(lines 312 340) no Hoare annotation was computed. [2021-10-16 03:08:03,150 INFO L857 garLoopResultBuilder]: For program point L351-3(lines 345 373) no Hoare annotation was computed. [2021-10-16 03:08:03,150 INFO L857 garLoopResultBuilder]: For program point L318-3(lines 312 340) no Hoare annotation was computed. [2021-10-16 03:08:03,150 INFO L857 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-10-16 03:08:03,150 INFO L853 garLoopResultBuilder]: At program point L121(lines 98 123) the Hoare annotation is: (and (= ~b0_ev~0 (_ bv1 32)) (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= (_ bv1 32) ULTIMATE.start_is_method1_triggered_~__retres1~0) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,151 INFO L853 garLoopResultBuilder]: At program point L121-1(lines 98 123) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,151 INFO L853 garLoopResultBuilder]: At program point L287(lines 277 302) the Hoare annotation is: (let ((.cse0 (= ~b0_val_t~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ~z_ev~0)) (.cse2 (= ~d1_val_t~0 (_ bv1 32))) (.cse3 (= ~z_val~0 (_ bv0 32))) (.cse4 (= ~d1_val~0 (_ bv1 32))) (.cse5 (= ~b0_val~0 (_ bv1 32))) (.cse6 (= ~d0_val_t~0 (_ bv1 32))) (.cse7 (= (_ bv1 32) ~b1_val_t~0)) (.cse8 (= ~b1_val~0 (_ bv1 32))) (.cse9 (= ~d0_val~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~comp_m1_st~0 (_ bv0 32)) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~z_val_t~0 (_ bv0 32)) .cse6 .cse7 .cse8 .cse9))) [2021-10-16 03:08:03,151 INFO L853 garLoopResultBuilder]: At program point L122(lines 95 124) the Hoare annotation is: (and (= ~b0_ev~0 (_ bv1 32)) (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= |ULTIMATE.start_is_method1_triggered_#res| (_ bv1 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= (_ bv1 32) ULTIMATE.start_is_method1_triggered_~__retres1~0) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,151 INFO L853 garLoopResultBuilder]: At program point L122-1(lines 95 124) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,151 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 194) no Hoare annotation was computed. [2021-10-16 03:08:03,151 INFO L857 garLoopResultBuilder]: For program point L189-2(lines 189 194) no Hoare annotation was computed. [2021-10-16 03:08:03,151 INFO L857 garLoopResultBuilder]: For program point L189-3(lines 189 194) no Hoare annotation was computed. [2021-10-16 03:08:03,151 INFO L857 garLoopResultBuilder]: For program point L189-5(lines 189 194) no Hoare annotation was computed. [2021-10-16 03:08:03,151 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:08:03,152 INFO L857 garLoopResultBuilder]: For program point L356-1(lines 345 373) no Hoare annotation was computed. [2021-10-16 03:08:03,152 INFO L857 garLoopResultBuilder]: For program point L323-1(lines 312 340) no Hoare annotation was computed. [2021-10-16 03:08:03,152 INFO L857 garLoopResultBuilder]: For program point L356-3(lines 345 373) no Hoare annotation was computed. [2021-10-16 03:08:03,152 INFO L857 garLoopResultBuilder]: For program point L323-3(lines 312 340) no Hoare annotation was computed. [2021-10-16 03:08:03,152 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 298) no Hoare annotation was computed. [2021-10-16 03:08:03,152 INFO L853 garLoopResultBuilder]: At program point L225(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,152 INFO L853 garLoopResultBuilder]: At program point L225-1(lines 203 241) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,152 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 164) no Hoare annotation was computed. [2021-10-16 03:08:03,152 INFO L857 garLoopResultBuilder]: For program point L159-2(lines 159 164) no Hoare annotation was computed. [2021-10-16 03:08:03,153 INFO L857 garLoopResultBuilder]: For program point L159-3(lines 159 164) no Hoare annotation was computed. [2021-10-16 03:08:03,153 INFO L857 garLoopResultBuilder]: For program point L159-5(lines 159 164) no Hoare annotation was computed. [2021-10-16 03:08:03,153 INFO L853 garLoopResultBuilder]: At program point L424-1(lines 342 446) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,153 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 03:08:03,153 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-16 03:08:03,155 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 265) no Hoare annotation was computed. [2021-10-16 03:08:03,155 INFO L857 garLoopResultBuilder]: For program point L260-1(lines 260 265) no Hoare annotation was computed. [2021-10-16 03:08:03,155 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 134) no Hoare annotation was computed. [2021-10-16 03:08:03,155 INFO L857 garLoopResultBuilder]: For program point L129-2(lines 129 134) no Hoare annotation was computed. [2021-10-16 03:08:03,156 INFO L857 garLoopResultBuilder]: For program point L129-3(lines 129 134) no Hoare annotation was computed. [2021-10-16 03:08:03,156 INFO L857 garLoopResultBuilder]: For program point L129-5(lines 129 134) no Hoare annotation was computed. [2021-10-16 03:08:03,156 INFO L860 garLoopResultBuilder]: At program point L493(lines 493 499) the Hoare annotation is: true [2021-10-16 03:08:03,156 INFO L857 garLoopResultBuilder]: For program point L361-1(lines 345 373) no Hoare annotation was computed. [2021-10-16 03:08:03,156 INFO L857 garLoopResultBuilder]: For program point L328-1(lines 312 340) no Hoare annotation was computed. [2021-10-16 03:08:03,156 INFO L857 garLoopResultBuilder]: For program point L361-3(lines 345 373) no Hoare annotation was computed. [2021-10-16 03:08:03,157 INFO L857 garLoopResultBuilder]: For program point L328-3(lines 312 340) no Hoare annotation was computed. [2021-10-16 03:08:03,157 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 69) no Hoare annotation was computed. [2021-10-16 03:08:03,157 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 03:08:03,157 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 43 93) no Hoare annotation was computed. [2021-10-16 03:08:03,157 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2021-10-16 03:08:03,157 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 119) no Hoare annotation was computed. [2021-10-16 03:08:03,158 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 99 119) no Hoare annotation was computed. [2021-10-16 03:08:03,158 INFO L853 garLoopResultBuilder]: At program point L232(lines 247 251) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~b0_ev~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~comp_m1_st~0 (_ bv0 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,158 INFO L853 garLoopResultBuilder]: At program point L232-1(lines 200 242) the Hoare annotation is: (and (= ~b0_val_t~0 (_ bv1 32)) (= (_ bv2 32) ~z_ev~0) (= ~d1_val_t~0 (_ bv1 32)) (= ~z_val~0 (_ bv0 32)) (= ~d1_val~0 (_ bv1 32)) (= ~b0_val~0 (_ bv1 32)) (= ~z_val_t~0 (_ bv0 32)) (= ~d0_val_t~0 (_ bv1 32)) (= (_ bv1 32) ~b1_val_t~0) (= ~b1_val~0 (_ bv1 32)) (= ~d0_val~0 (_ bv1 32))) [2021-10-16 03:08:03,162 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:08:03,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:08:03 BoogieIcfgContainer [2021-10-16 03:08:03,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:08:03,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:08:03,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:08:03,202 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:08:03,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:07:37" (3/4) ... [2021-10-16 03:08:03,206 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:08:03,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-16 03:08:03,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 03:08:03,224 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:08:03,225 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:08:03,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((b0_ev == 1bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && \result == 1bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && 1bv32 == __retres1) && d0_val == 1bv32 [2021-10-16 03:08:03,252 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) || ((((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && \result == 1bv32) && z_val == 0bv32) && 1bv32 == __retres1) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) [2021-10-16 03:08:03,296 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:08:03,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:08:03,298 INFO L168 Benchmark]: Toolchain (without parser) took 27092.78 ms. Allocated memory was 62.9 MB in the beginning and 125.8 MB in the end (delta: 62.9 MB). Free memory was 42.4 MB in the beginning and 66.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:03,298 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:08:03,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.42 ms. Allocated memory is still 62.9 MB. Free memory was 42.2 MB in the beginning and 44.3 MB in the end (delta: -2.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:03,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.84 ms. Allocated memory is still 62.9 MB. Free memory was 44.1 MB in the beginning and 41.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:03,299 INFO L168 Benchmark]: Boogie Preprocessor took 37.54 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 39.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:03,300 INFO L168 Benchmark]: RCFGBuilder took 634.36 ms. Allocated memory is still 62.9 MB. Free memory was 39.9 MB in the beginning and 40.0 MB in the end (delta: -104.6 kB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:03,300 INFO L168 Benchmark]: TraceAbstraction took 25850.03 ms. Allocated memory was 62.9 MB in the beginning and 125.8 MB in the end (delta: 62.9 MB). Free memory was 39.4 MB in the beginning and 74.9 MB in the end (delta: -35.5 MB). Peak memory consumption was 79.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:03,301 INFO L168 Benchmark]: Witness Printer took 94.83 ms. Allocated memory is still 125.8 MB. Free memory was 74.9 MB in the beginning and 66.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:08:03,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 421.42 ms. Allocated memory is still 62.9 MB. Free memory was 42.2 MB in the beginning and 44.3 MB in the end (delta: -2.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.84 ms. Allocated memory is still 62.9 MB. Free memory was 44.1 MB in the beginning and 41.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.54 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 39.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 634.36 ms. Allocated memory is still 62.9 MB. Free memory was 39.9 MB in the beginning and 40.0 MB in the end (delta: -104.6 kB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25850.03 ms. Allocated memory was 62.9 MB in the beginning and 125.8 MB in the end (delta: 62.9 MB). Free memory was 39.4 MB in the beginning and 74.9 MB in the end (delta: -35.5 MB). Peak memory consumption was 79.7 MB. Max. memory is 16.1 GB. * Witness Printer took 94.83 ms. Allocated memory is still 125.8 MB. Free memory was 74.9 MB in the beginning and 66.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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: 11]: 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, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25736.8ms, OverallIterations: 21, TraceHistogramMax: 2, EmptinessCheckTime: 55.2ms, AutomataDifference: 1476.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2663.5ms, InitialAbstractionConstructionTime: 12.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3492 SDtfs, 2899 SDslu, 4123 SDs, 0 SdLazy, 267 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 395.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3199 GetRequests, 3141 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 264.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=449occurred in iteration=20, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 584.5ms AutomataMinimizationTime, 21 MinimizatonAttempts, 1506 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 89 NumberOfFragments, 1228 HoareAnnotationTreeSize, 33 FomulaSimplifications, 39697 FormulaSimplificationTreeSizeReduction, 801.1ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 7105 FormulaSimplificationTreeSizeReductionInter, 1848.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 340.2ms SsaConstructionTime, 905.2ms SatisfiabilityAnalysisTime, 8250.5ms InterpolantComputationTime, 1614 NumberOfCodeBlocks, 1614 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3186 ConstructedInterpolants, 0 QuantifiedInterpolants, 5044 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3593 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 42 InterpolantComputations, 41 PerfectInterpolantSequences, 102/108 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 1 specifications checked. All of them hold - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && comp_m1_st == 0bv32) && d1_req_up == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_req_up == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && comp_m1_st == 0bv32) && d1_req_up == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((((((b0_ev == 1bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (((((((((((b0_ev == 1bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((((((((((((b0_ev == 1bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && \result == 1bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && 1bv32 == __retres1) && d0_val == 1bv32 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) || ((((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && \result == 1bv32) && z_val == 0bv32) && 1bv32 == __retres1) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && b1_req_up == 1bv32) && comp_m1_st == 0bv32) && d1_req_up == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_req_up == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && 1bv32 == __retres1) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) || ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((b0_ev == 1bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && 1bv32 == __retres1) && d0_val == 1bv32 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((((((b0_val_t == 1bv32 && z_val == 0bv32) && !(0bv32 == z_ev)) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (((((((((((b0_val == 0bv32 && b0_val_t == 1bv32) && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b1_req_up == 1bv32) && comp_m1_st == 0bv32) && d1_req_up == 1bv32) && b0_req_up == 1bv32) && z_val_t == 0bv32) && d0_req_up == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) || ((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && d1_val == 1bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((((((((((b0_val_t == 1bv32 && 2bv32 == z_ev) && d1_val_t == 1bv32) && z_val == 0bv32) && b0_ev == 0bv32) && d1_val == 1bv32) && comp_m1_st == 0bv32) && b0_val == 1bv32) && z_val_t == 0bv32) && d0_val_t == 1bv32) && 1bv32 == b1_val_t) && b1_val == 1bv32) && d0_val == 1bv32 RESULT: Ultimate proved your program to be correct! [2021-10-16 03:08:03,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65511ce4-6a26-4339-a2c6-b90a0af2ee90/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...