./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:26:47,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:26:47,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:26:47,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:26:47,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:26:47,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:26:47,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:26:47,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:26:47,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:26:47,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:26:47,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:26:47,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:26:47,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:26:47,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:26:47,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:26:47,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:26:47,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:26:47,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:26:47,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:26:47,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:26:47,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:26:47,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:26:47,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:26:47,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:26:47,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:26:47,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:26:47,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:26:47,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:26:47,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:26:47,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:26:47,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:26:47,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:26:47,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:26:47,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:26:47,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:26:47,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:26:47,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:26:47,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:26:47,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:26:47,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:26:47,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:26:47,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:26:47,924 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:26:47,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:26:47,925 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:26:47,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:26:47,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:26:47,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:26:47,926 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:26:47,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:26:47,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:26:47,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:26:47,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:26:47,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:26:47,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:26:47,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:26:47,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:26:47,928 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:26:47,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:26:47,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:26:47,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:26:47,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:26:47,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:26:47,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:26:47,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:26:47,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:26:47,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:26:47,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:26:47,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:26:47,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:26:47,930 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:26:47,931 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:26:47,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:26:47,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:26:47,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 [2021-11-22 15:26:48,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:26:48,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:26:48,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:26:48,181 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:26:48,183 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:26:48,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2021-11-22 15:26:48,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/data/1845231ae/06fe06020fa046c491bd8977c78ebf56/FLAG97bdfcfdd [2021-11-22 15:26:48,878 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:26:48,879 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2021-11-22 15:26:48,907 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/data/1845231ae/06fe06020fa046c491bd8977c78ebf56/FLAG97bdfcfdd [2021-11-22 15:26:49,137 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/data/1845231ae/06fe06020fa046c491bd8977c78ebf56 [2021-11-22 15:26:49,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:26:49,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:26:49,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:26:49,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:26:49,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:26:49,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:26:49" (1/1) ... [2021-11-22 15:26:49,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dbf7e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:49, skipping insertion in model container [2021-11-22 15:26:49,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:26:49" (1/1) ... [2021-11-22 15:26:49,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:26:49,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:26:49,711 WARN L230 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_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2021-11-22 15:26:49,802 WARN L230 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_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2021-11-22 15:26:49,803 WARN L230 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_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2021-11-22 15:26:49,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:26:49,820 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:26:49,849 WARN L230 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_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2021-11-22 15:26:49,933 WARN L230 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_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2021-11-22 15:26:49,945 WARN L230 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_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2021-11-22 15:26:49,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:26:50,011 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:26:50,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50 WrapperNode [2021-11-22 15:26:50,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:26:50,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:26:50,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:26:50,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:26:50,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50" (1/1) ... [2021-11-22 15:26:50,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50" (1/1) ... [2021-11-22 15:26:50,171 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 1011 [2021-11-22 15:26:50,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:26:50,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:26:50,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:26:50,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:26:50,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50" (1/1) ... [2021-11-22 15:26:50,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50" (1/1) ... [2021-11-22 15:26:50,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50" (1/1) ... [2021-11-22 15:26:50,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50" (1/1) ... [2021-11-22 15:26:50,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50" (1/1) ... [2021-11-22 15:26:50,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50" (1/1) ... [2021-11-22 15:26:50,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50" (1/1) ... [2021-11-22 15:26:50,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:26:50,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:26:50,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:26:50,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:26:50,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50" (1/1) ... [2021-11-22 15:26:50,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:26:50,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:26:50,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:26:50,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:26:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:26:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:26:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:26:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:26:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:26:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:26:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 15:26:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:26:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:26:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:26:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:26:50,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:26:50,591 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:26:50,593 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:26:51,606 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:26:51,618 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:26:51,618 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-22 15:26:51,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:26:51 BoogieIcfgContainer [2021-11-22 15:26:51,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:26:51,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:26:51,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:26:51,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:26:51,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:26:49" (1/3) ... [2021-11-22 15:26:51,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1673c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:26:51, skipping insertion in model container [2021-11-22 15:26:51,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:26:50" (2/3) ... [2021-11-22 15:26:51,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1673c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:26:51, skipping insertion in model container [2021-11-22 15:26:51,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:26:51" (3/3) ... [2021-11-22 15:26:51,629 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-1.i [2021-11-22 15:26:51,639 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:26:51,639 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-22 15:26:51,704 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:26:51,720 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 15:26:51,721 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-22 15:26:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 179 states have (on average 1.7094972067039107) internal successors, (306), 181 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:51,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 15:26:51,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:26:51,757 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:26:51,759 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:26:51,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:26:51,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1366407864, now seen corresponding path program 1 times [2021-11-22 15:26:51,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:26:51,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548795180] [2021-11-22 15:26:51,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:51,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:26:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:26:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:26:51,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:26:51,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548795180] [2021-11-22 15:26:51,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548795180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:26:51,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:26:51,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:26:51,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578421900] [2021-11-22 15:26:51,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:26:51,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 15:26:51,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:26:52,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:26:52,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:26:52,016 INFO L87 Difference]: Start difference. First operand has 182 states, 179 states have (on average 1.7094972067039107) internal successors, (306), 181 states have internal predecessors, (306), 0 states have call successors, (0), 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 4.0) internal successors, (8), 2 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) [2021-11-22 15:26:52,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:26:52,054 INFO L93 Difference]: Finished difference Result 361 states and 609 transitions. [2021-11-22 15:26:52,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:26:52,056 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 [2021-11-22 15:26:52,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:26:52,067 INFO L225 Difference]: With dead ends: 361 [2021-11-22 15:26:52,072 INFO L226 Difference]: Without dead ends: 177 [2021-11-22 15:26:52,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:26:52,081 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:26:52,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:26:52,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-22 15:26:52,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-11-22 15:26:52,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 175 states have (on average 1.3257142857142856) internal successors, (232), 176 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 232 transitions. [2021-11-22 15:26:52,133 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 232 transitions. Word has length 8 [2021-11-22 15:26:52,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:26:52,133 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 232 transitions. [2021-11-22 15:26:52,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2021-11-22 15:26:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 232 transitions. [2021-11-22 15:26:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 15:26:52,135 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:26:52,136 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:26:52,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:26:52,137 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:26:52,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:26:52,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1136278917, now seen corresponding path program 1 times [2021-11-22 15:26:52,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:26:52,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747119394] [2021-11-22 15:26:52,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:52,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:26:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:26:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:26:52,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:26:52,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747119394] [2021-11-22 15:26:52,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747119394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:26:52,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:26:52,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:26:52,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917568329] [2021-11-22 15:26:52,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:26:52,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:26:52,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:26:52,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:26:52,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:26:52,239 INFO L87 Difference]: Start difference. First operand 177 states and 232 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2021-11-22 15:26:52,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:26:52,683 INFO L93 Difference]: Finished difference Result 382 states and 501 transitions. [2021-11-22 15:26:52,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:26:52,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) Word has length 10 [2021-11-22 15:26:52,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:26:52,687 INFO L225 Difference]: With dead ends: 382 [2021-11-22 15:26:52,687 INFO L226 Difference]: Without dead ends: 295 [2021-11-22 15:26:52,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:26:52,690 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 146 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 15:26:52,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 564 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 15:26:52,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-11-22 15:26:52,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 179. [2021-11-22 15:26:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 177 states have (on average 1.3220338983050848) internal successors, (234), 178 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 234 transitions. [2021-11-22 15:26:52,708 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 234 transitions. Word has length 10 [2021-11-22 15:26:52,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:26:52,709 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 234 transitions. [2021-11-22 15:26:52,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) [2021-11-22 15:26:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 234 transitions. [2021-11-22 15:26:52,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 15:26:52,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:26:52,712 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 15:26:52,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:26:52,712 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:26:52,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:26:52,713 INFO L85 PathProgramCache]: Analyzing trace with hash -2095912151, now seen corresponding path program 1 times [2021-11-22 15:26:52,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:26:52,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552008681] [2021-11-22 15:26:52,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:52,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:26:52,734 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:26:52,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [596011419] [2021-11-22 15:26:52,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:52,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:52,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:26:52,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:26:52,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:26:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:26:52,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:26:52,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:26:53,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:26:53,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:26:53,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:26:53,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552008681] [2021-11-22 15:26:53,130 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:26:53,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596011419] [2021-11-22 15:26:53,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596011419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:26:53,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:26:53,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:26:53,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883290146] [2021-11-22 15:26:53,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:26:53,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:26:53,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:26:53,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:26:53,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:26:53,140 INFO L87 Difference]: Start difference. First operand 179 states and 234 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:53,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:26:53,233 INFO L93 Difference]: Finished difference Result 375 states and 495 transitions. [2021-11-22 15:26:53,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:26:53,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-22 15:26:53,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:26:53,237 INFO L225 Difference]: With dead ends: 375 [2021-11-22 15:26:53,238 INFO L226 Difference]: Without dead ends: 200 [2021-11-22 15:26:53,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:26:53,244 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 9 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:26:53,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 409 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:26:53,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-11-22 15:26:53,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 199. [2021-11-22 15:26:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 197 states have (on average 1.2893401015228427) internal successors, (254), 198 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:53,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 254 transitions. [2021-11-22 15:26:53,269 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 254 transitions. Word has length 62 [2021-11-22 15:26:53,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:26:53,270 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 254 transitions. [2021-11-22 15:26:53,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 254 transitions. [2021-11-22 15:26:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 15:26:53,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:26:53,279 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 15:26:53,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:26:53,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:53,493 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:26:53,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:26:53,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1305568807, now seen corresponding path program 1 times [2021-11-22 15:26:53,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:26:53,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294769093] [2021-11-22 15:26:53,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:53,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:26:53,537 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:26:53,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1060772797] [2021-11-22 15:26:53,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:53,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:53,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:26:53,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:26:53,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 15:26:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:26:53,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:26:53,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:26:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:26:53,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:26:53,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:26:53,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294769093] [2021-11-22 15:26:53,844 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:26:53,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060772797] [2021-11-22 15:26:53,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060772797] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:26:53,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:26:53,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:26:53,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453234019] [2021-11-22 15:26:53,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:26:53,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:26:53,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:26:53,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:26:53,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:26:53,852 INFO L87 Difference]: Start difference. First operand 199 states and 254 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:53,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:26:53,944 INFO L93 Difference]: Finished difference Result 386 states and 496 transitions. [2021-11-22 15:26:53,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:26:53,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-22 15:26:53,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:26:53,947 INFO L225 Difference]: With dead ends: 386 [2021-11-22 15:26:53,947 INFO L226 Difference]: Without dead ends: 191 [2021-11-22 15:26:53,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:26:53,951 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 220 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:26:53,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 420 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:26:53,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-11-22 15:26:53,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2021-11-22 15:26:53,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 183 states have (on average 1.273224043715847) internal successors, (233), 184 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 233 transitions. [2021-11-22 15:26:53,964 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 233 transitions. Word has length 62 [2021-11-22 15:26:53,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:26:53,964 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 233 transitions. [2021-11-22 15:26:53,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 233 transitions. [2021-11-22 15:26:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 15:26:53,966 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:26:53,967 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 15:26:54,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:26:54,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:54,200 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:26:54,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:26:54,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1777715509, now seen corresponding path program 1 times [2021-11-22 15:26:54,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:26:54,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667663611] [2021-11-22 15:26:54,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:54,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:26:54,216 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:26:54,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969534768] [2021-11-22 15:26:54,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:54,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:54,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:26:54,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:26:54,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 15:26:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:26:54,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:26:54,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:26:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:26:54,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:26:54,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:26:54,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667663611] [2021-11-22 15:26:54,648 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:26:54,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969534768] [2021-11-22 15:26:54,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969534768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:26:54,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:26:54,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:26:54,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935639514] [2021-11-22 15:26:54,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:26:54,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:26:54,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:26:54,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:26:54,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:26:54,652 INFO L87 Difference]: Start difference. First operand 185 states and 233 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:54,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:26:54,740 INFO L93 Difference]: Finished difference Result 479 states and 602 transitions. [2021-11-22 15:26:54,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:26:54,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-22 15:26:54,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:26:54,743 INFO L225 Difference]: With dead ends: 479 [2021-11-22 15:26:54,743 INFO L226 Difference]: Without dead ends: 298 [2021-11-22 15:26:54,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:26:54,744 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 105 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:26:54,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 463 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:26:54,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-11-22 15:26:54,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 291. [2021-11-22 15:26:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 289 states have (on average 1.2664359861591696) internal successors, (366), 290 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:54,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 366 transitions. [2021-11-22 15:26:54,756 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 366 transitions. Word has length 62 [2021-11-22 15:26:54,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:26:54,757 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 366 transitions. [2021-11-22 15:26:54,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:54,757 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 366 transitions. [2021-11-22 15:26:54,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 15:26:54,759 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:26:54,759 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 15:26:54,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:26:54,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:54,988 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:26:54,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:26:54,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1300403396, now seen corresponding path program 1 times [2021-11-22 15:26:54,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:26:54,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925803764] [2021-11-22 15:26:54,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:54,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:26:55,004 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:26:55,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1009726976] [2021-11-22 15:26:55,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:55,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:55,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:26:55,006 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:26:55,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 15:26:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:26:55,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:26:55,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:26:55,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-22 15:26:55,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-22 15:26:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:26:55,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:26:55,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:26:55,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925803764] [2021-11-22 15:26:55,328 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:26:55,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009726976] [2021-11-22 15:26:55,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009726976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:26:55,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:26:55,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:26:55,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759374964] [2021-11-22 15:26:55,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:26:55,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:26:55,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:26:55,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:26:55,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:26:55,332 INFO L87 Difference]: Start difference. First operand 291 states and 366 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 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) [2021-11-22 15:26:55,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:26:55,673 INFO L93 Difference]: Finished difference Result 379 states and 483 transitions. [2021-11-22 15:26:55,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:26:55,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 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 69 [2021-11-22 15:26:55,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:26:55,676 INFO L225 Difference]: With dead ends: 379 [2021-11-22 15:26:55,676 INFO L226 Difference]: Without dead ends: 375 [2021-11-22 15:26:55,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:26:55,677 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 135 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 15:26:55,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 564 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 15:26:55,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-11-22 15:26:55,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 293. [2021-11-22 15:26:55,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 291 states have (on average 1.2646048109965635) internal successors, (368), 292 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 368 transitions. [2021-11-22 15:26:55,693 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 368 transitions. Word has length 69 [2021-11-22 15:26:55,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:26:55,696 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 368 transitions. [2021-11-22 15:26:55,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 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) [2021-11-22 15:26:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 368 transitions. [2021-11-22 15:26:55,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:26:55,703 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:26:55,703 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:26:55,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:26:55,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:55,919 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:26:55,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:26:55,920 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-22 15:26:55,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:26:55,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267177719] [2021-11-22 15:26:55,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:55,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:26:55,935 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:26:55,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350912146] [2021-11-22 15:26:55,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:55,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:55,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:26:55,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:26:55,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 15:26:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:26:56,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:26:56,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:26:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:26:56,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:26:56,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:26:56,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267177719] [2021-11-22 15:26:56,308 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:26:56,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350912146] [2021-11-22 15:26:56,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350912146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:26:56,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:26:56,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:26:56,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501997381] [2021-11-22 15:26:56,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:26:56,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:26:56,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:26:56,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:26:56,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:26:56,316 INFO L87 Difference]: Start difference. First operand 293 states and 368 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:56,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:26:56,389 INFO L93 Difference]: Finished difference Result 483 states and 627 transitions. [2021-11-22 15:26:56,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:26:56,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 103 [2021-11-22 15:26:56,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:26:56,392 INFO L225 Difference]: With dead ends: 483 [2021-11-22 15:26:56,392 INFO L226 Difference]: Without dead ends: 335 [2021-11-22 15:26:56,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:26:56,394 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:26:56,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:26:56,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-11-22 15:26:56,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 333. [2021-11-22 15:26:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 331 states have (on average 1.2326283987915407) internal successors, (408), 332 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:56,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 408 transitions. [2021-11-22 15:26:56,410 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 408 transitions. Word has length 103 [2021-11-22 15:26:56,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:26:56,411 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 408 transitions. [2021-11-22 15:26:56,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:56,411 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 408 transitions. [2021-11-22 15:26:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:26:56,419 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:26:56,419 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:26:56,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 15:26:56,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-22 15:26:56,644 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:26:56,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:26:56,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-22 15:26:56,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:26:56,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592473859] [2021-11-22 15:26:56,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:56,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:26:56,661 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:26:56,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1012391809] [2021-11-22 15:26:56,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:56,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:56,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:26:56,684 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:26:56,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 15:26:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:26:56,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:26:56,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:26:57,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 15:26:57,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:26:57,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:26:57,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592473859] [2021-11-22 15:26:57,012 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:26:57,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012391809] [2021-11-22 15:26:57,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012391809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:26:57,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:26:57,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:26:57,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159080339] [2021-11-22 15:26:57,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:26:57,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:26:57,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:26:57,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:26:57,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:26:57,016 INFO L87 Difference]: Start difference. First operand 333 states and 408 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:57,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:26:57,095 INFO L93 Difference]: Finished difference Result 498 states and 622 transitions. [2021-11-22 15:26:57,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:26:57,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 103 [2021-11-22 15:26:57,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:26:57,099 INFO L225 Difference]: With dead ends: 498 [2021-11-22 15:26:57,099 INFO L226 Difference]: Without dead ends: 310 [2021-11-22 15:26:57,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:26:57,101 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 103 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:26:57,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 510 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:26:57,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-11-22 15:26:57,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 305. [2021-11-22 15:26:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 303 states have (on average 1.2079207920792079) internal successors, (366), 304 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:57,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 366 transitions. [2021-11-22 15:26:57,113 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 366 transitions. Word has length 103 [2021-11-22 15:26:57,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:26:57,115 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 366 transitions. [2021-11-22 15:26:57,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:57,115 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 366 transitions. [2021-11-22 15:26:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:26:57,116 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:26:57,117 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:26:57,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 15:26:57,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:57,332 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:26:57,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:26:57,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-22 15:26:57,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:26:57,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20780810] [2021-11-22 15:26:57,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:57,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:26:57,358 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:26:57,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1644539003] [2021-11-22 15:26:57,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:57,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:57,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:26:57,363 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:26:57,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 15:26:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:26:57,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 15:26:57,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:26:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:26:57,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:26:57,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:26:57,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20780810] [2021-11-22 15:26:57,720 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 15:26:57,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644539003] [2021-11-22 15:26:57,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644539003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:26:57,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:26:57,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:26:57,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119490084] [2021-11-22 15:26:57,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:26:57,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:26:57,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:26:57,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:26:57,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:26:57,722 INFO L87 Difference]: Start difference. First operand 305 states and 366 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:58,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:26:58,066 INFO L93 Difference]: Finished difference Result 653 states and 790 transitions. [2021-11-22 15:26:58,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:26:58,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2021-11-22 15:26:58,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:26:58,069 INFO L225 Difference]: With dead ends: 653 [2021-11-22 15:26:58,070 INFO L226 Difference]: Without dead ends: 396 [2021-11-22 15:26:58,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:26:58,071 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 416 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 15:26:58,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [416 Valid, 365 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 15:26:58,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-22 15:26:58,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 389. [2021-11-22 15:26:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 387 states have (on average 1.2144702842377262) internal successors, (470), 388 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 470 transitions. [2021-11-22 15:26:58,087 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 470 transitions. Word has length 103 [2021-11-22 15:26:58,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:26:58,087 INFO L470 AbstractCegarLoop]: Abstraction has 389 states and 470 transitions. [2021-11-22 15:26:58,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:26:58,088 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 470 transitions. [2021-11-22 15:26:58,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 15:26:58,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:26:58,090 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:26:58,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-22 15:26:58,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:58,308 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:26:58,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:26:58,308 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-22 15:26:58,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:26:58,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120048197] [2021-11-22 15:26:58,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:58,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:26:58,322 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 15:26:58,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [880376493] [2021-11-22 15:26:58,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:26:58,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:26:58,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:26:58,325 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:26:58,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87f20f8b-ac87-4cad-aa6d-bb26dc7d621d/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-22 15:26:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:26:58,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-22 15:26:58,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:26:58,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 15:26:58,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-22 15:26:58,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:58,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-22 15:26:58,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:58,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:58,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:58,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-22 15:26:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-22 15:26:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-22 15:26:59,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-22 15:26:59,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-22 15:26:59,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,888 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-22 15:26:59,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-22 15:26:59,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:26:59,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-22 15:26:59,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 15:27:01,239 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-22 15:27:01,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-22 15:27:01,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:03,188 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-22 15:27:03,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3246 treesize of output 2904 [2021-11-22 15:27:03,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:03,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:03,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:03,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:03,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:10,758 WARN L227 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 535 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 15:27:10,763 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-22 15:27:10,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4244 treesize of output 2275 [2021-11-22 15:27:11,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:11,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-22 15:27:11,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:11,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-22 15:27:12,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:12,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:12,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:12,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:12,382 INFO L244 Elim1Store]: Index analysis took 275 ms [2021-11-22 15:27:12,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 17 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 902 treesize of output 408 [2021-11-22 15:27:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:13,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:13,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:13,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:13,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:13,345 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:13,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 354 treesize of output 231 [2021-11-22 15:27:14,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:14,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:26,597 WARN L227 SmtUtils]: Spent 11.67s on a formula simplification. DAG size of input: 520 DAG size of output: 146 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 15:27:26,598 INFO L354 Elim1Store]: treesize reduction 19124, result has 2.6 percent of original size [2021-11-22 15:27:26,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 63388 treesize of output 35862 [2021-11-22 15:27:27,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:27,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:27,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:27,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:27,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:27,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:27,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:27,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:27,674 INFO L244 Elim1Store]: Index analysis took 339 ms [2021-11-22 15:27:28,239 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:28,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 1864 treesize of output 1172 [2021-11-22 15:27:29,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:29,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:29,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:29,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:29,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:29,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:29,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:29,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:29,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:29,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:29,837 INFO L244 Elim1Store]: Index analysis took 245 ms [2021-11-22 15:27:29,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 1665 treesize of output 929 [2021-11-22 15:27:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:30,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:30,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,655 INFO L244 Elim1Store]: Index analysis took 283 ms [2021-11-22 15:27:30,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 1570 treesize of output 718 [2021-11-22 15:27:30,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:30,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:30,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:30,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:30,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:31,015 INFO L244 Elim1Store]: Index analysis took 302 ms [2021-11-22 15:27:31,548 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:31,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 2019 treesize of output 1291 [2021-11-22 15:27:34,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:34,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:34,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:34,878 INFO L244 Elim1Store]: Index analysis took 384 ms [2021-11-22 15:27:34,892 INFO L354 Elim1Store]: treesize reduction 254, result has 0.4 percent of original size [2021-11-22 15:27:34,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 1883 treesize of output 929 [2021-11-22 15:27:49,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:49,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:49,951 INFO L354 Elim1Store]: treesize reduction 254, result has 11.5 percent of original size [2021-11-22 15:27:49,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 14 new quantified variables, introduced 16 case distinctions, treesize of input 7140 treesize of output 5581 [2021-11-22 15:27:52,595 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-22 15:27:52,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 233 treesize of output 147 [2021-11-22 15:27:52,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:52,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:52,739 INFO L354 Elim1Store]: treesize reduction 1611, result has 0.4 percent of original size [2021-11-22 15:27:52,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 25 case distinctions, treesize of input 5259 treesize of output 4516 [2021-11-22 15:27:53,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:53,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:53,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,162 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-22 15:27:53,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 2730 treesize of output 1512 [2021-11-22 15:27:53,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,593 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 15:27:53,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 223 treesize of output 113 [2021-11-22 15:27:53,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:53,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,638 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:27:53,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 2712 treesize of output 1300 [2021-11-22 15:27:53,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,692 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:27:53,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 2502 treesize of output 1174 [2021-11-22 15:27:53,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:53,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,741 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:27:53,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 2304 treesize of output 1120 [2021-11-22 15:27:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:53,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,783 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:27:53,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 2082 treesize of output 1501 [2021-11-22 15:27:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,819 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:27:53,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1884 treesize of output 1774 [2021-11-22 15:27:53,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:53,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:53,850 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:27:53,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1674 treesize of output 1542 [2021-11-22 15:27:54,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 64 [2021-11-22 15:27:54,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,260 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-22 15:27:54,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 157 treesize of output 63 [2021-11-22 15:27:54,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:54,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,825 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-22 15:27:54,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-22 15:27:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:54,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:55,018 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-22 15:27:55,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-22 15:27:55,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 15:27:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 15:27:55,048 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-22 15:27:55,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-22 15:27:55,722 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-22 15:27:55,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-22 15:27:55,742 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-22 15:27:55,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 337 [2021-11-22 15:27:55,757 INFO L354 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2021-11-22 15:27:55,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 328 treesize of output 279 [2021-11-22 15:27:55,849 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-22 15:27:55,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-22 15:28:02,854 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-22 15:28:02,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 272 treesize of output 308 [2021-11-22 15:28:39,447 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-22 15:28:39,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 321 treesize of output 222 [2021-11-22 15:28:43,621 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-22 15:28:43,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 311 treesize of output 167 [2021-11-22 15:28:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:28:43,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:28:46,003 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int)) (or (< (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse2 (select |c_#memory_int| |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse3 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))))) (store .cse1 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_8) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_9))))) (store .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 999) (< (let ((.cse4 (+ 8 |c_ULTIMATE.start_main_~users~0#1.offset|))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse4)) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse4))) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|))) is different from false [2021-11-22 15:28:48,155 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_11 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ 8 |c_ULTIMATE.start_main_~users~0#1.offset|))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse3 (select .cse2 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse4 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_8) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_9))))) (store .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 999) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_10)))) (select .cse8 (select (select .cse8 |c_ULTIMATE.start_main_~users~0#1.base|) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_11)) |c_ULTIMATE.start_main_~users~0#1.base|) .cse9)) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|))))) is different from false [2021-11-22 15:28:50,228 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_11 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.base_5| Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (|v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (let ((.cse3 (select .cse2 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|)) (.cse4 (+ |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 |c_ULTIMATE.start_main_~user~0#1.base| (store (store (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 24) v_DerPreprocessor_8) (+ |c_ULTIMATE.start_main_~user~0#1.offset| 20) v_DerPreprocessor_9))))) (store .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5| (store (select .cse0 |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|) |v_ULTIMATE.start_main_~_ha_head~0#1.offset_5| v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 999) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_10)))) (select .cse8 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_11)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse9)) |v_ULTIMATE.start_main_~_ha_head~0#1.base_5|))))) is different from false