./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:25:05,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:25:05,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:25:06,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:25:06,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:25:06,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:25:06,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:25:06,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:25:06,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:25:06,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:25:06,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:25:06,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:25:06,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:25:06,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:25:06,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:25:06,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:25:06,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:25:06,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:25:06,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:25:06,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:25:06,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:25:06,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:25:06,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:25:06,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:25:06,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:25:06,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:25:06,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:25:06,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:25:06,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:25:06,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:25:06,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:25:06,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:25:06,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:25:06,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:25:06,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:25:06,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:25:06,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:25:06,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:25:06,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:25:06,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:25:06,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:25:06,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 02:25:06,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:25:06,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:25:06,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:25:06,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:25:06,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:25:06,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:25:06,169 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:25:06,170 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:25:06,170 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:25:06,170 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:25:06,171 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:25:06,171 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:25:06,172 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:25:06,172 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:25:06,172 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:25:06,172 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:25:06,172 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:25:06,173 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:25:06,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:25:06,174 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:25:06,174 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:25:06,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:25:06,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:25:06,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:25:06,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:25:06,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:25:06,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:25:06,177 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:25:06,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:25:06,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:25:06,177 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:25:06,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:25:06,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:25:06,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:25:06,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:25:06,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:25:06,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:25:06,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:25:06,179 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:25:06,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:25:06,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:25:06,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:25:06,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:25:06,180 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 [2021-11-23 02:25:06,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:25:06,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:25:06,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:25:06,558 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:25:06,559 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:25:06,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2021-11-23 02:25:06,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/data/31cc9820e/58d63d3f3ab94ccdb5d61dbf260f5e38/FLAG09ff79616 [2021-11-23 02:25:07,457 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:25:07,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2021-11-23 02:25:07,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/data/31cc9820e/58d63d3f3ab94ccdb5d61dbf260f5e38/FLAG09ff79616 [2021-11-23 02:25:07,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/data/31cc9820e/58d63d3f3ab94ccdb5d61dbf260f5e38 [2021-11-23 02:25:07,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:25:07,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:25:07,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:25:07,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:25:07,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:25:07,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:07" (1/1) ... [2021-11-23 02:25:07,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc3e394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:07, skipping insertion in model container [2021-11-23 02:25:07,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:07" (1/1) ... [2021-11-23 02:25:07,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:25:07,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:25:08,363 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_963e27f5-f956-4153-a00c-2835b5971ecd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i[33021,33034] [2021-11-23 02:25:08,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:25:08,479 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:25:08,519 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_963e27f5-f956-4153-a00c-2835b5971ecd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i[33021,33034] [2021-11-23 02:25:08,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:25:08,666 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:25:08,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08 WrapperNode [2021-11-23 02:25:08,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:25:08,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:25:08,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:25:08,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:25:08,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08" (1/1) ... [2021-11-23 02:25:08,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08" (1/1) ... [2021-11-23 02:25:08,799 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 627 [2021-11-23 02:25:08,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:25:08,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:25:08,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:25:08,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:25:08,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08" (1/1) ... [2021-11-23 02:25:08,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08" (1/1) ... [2021-11-23 02:25:08,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08" (1/1) ... [2021-11-23 02:25:08,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08" (1/1) ... [2021-11-23 02:25:08,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08" (1/1) ... [2021-11-23 02:25:08,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08" (1/1) ... [2021-11-23 02:25:08,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08" (1/1) ... [2021-11-23 02:25:08,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:25:08,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:25:08,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:25:08,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:25:08,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08" (1/1) ... [2021-11-23 02:25:08,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:25:08,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:08,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:25:08,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:25:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:25:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:25:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:25:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:25:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:25:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:25:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:25:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:25:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:25:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:25:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:25:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:25:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:25:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:25:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:25:09,240 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:25:09,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:25:10,351 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:25:10,730 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:25:10,731 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-23 02:25:10,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:10 BoogieIcfgContainer [2021-11-23 02:25:10,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:25:10,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:25:10,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:25:10,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:25:10,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:25:07" (1/3) ... [2021-11-23 02:25:10,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600d309e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:10, skipping insertion in model container [2021-11-23 02:25:10,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:08" (2/3) ... [2021-11-23 02:25:10,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600d309e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:10, skipping insertion in model container [2021-11-23 02:25:10,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:10" (3/3) ... [2021-11-23 02:25:10,756 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-1.i [2021-11-23 02:25:10,763 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:25:10,764 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-23 02:25:10,842 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:25:10,850 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:25:10,851 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-23 02:25:10,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:25:10,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 02:25:10,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:10,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 02:25:10,879 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:25:10,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:10,886 INFO L85 PathProgramCache]: Analyzing trace with hash 538186, now seen corresponding path program 1 times [2021-11-23 02:25:10,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:10,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812771162] [2021-11-23 02:25:10,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:10,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:11,017 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:25:11,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1123099373] [2021-11-23 02:25:11,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:11,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:11,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:11,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:25:11,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:25:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:11,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:25:11,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:25:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:25:11,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:25:11,230 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:11,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812771162] [2021-11-23 02:25:11,231 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:25:11,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123099373] [2021-11-23 02:25:11,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123099373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:25:11,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:25:11,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 02:25:11,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139598697] [2021-11-23 02:25:11,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:25:11,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:25:11,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:25:11,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:25:11,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:25:11,291 INFO L87 Difference]: Start difference. First operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:25:13,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:25:13,018 INFO L93 Difference]: Finished difference Result 230 states and 388 transitions. [2021-11-23 02:25:13,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:25:13,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2021-11-23 02:25:13,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:25:13,047 INFO L225 Difference]: With dead ends: 230 [2021-11-23 02:25:13,048 INFO L226 Difference]: Without dead ends: 141 [2021-11-23 02:25:13,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:25:13,057 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 54 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:25:13,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 201 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:25:13,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-23 02:25:13,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2021-11-23 02:25:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.318840579710145) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:25:13,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2021-11-23 02:25:13,120 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2021-11-23 02:25:13,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:25:13,121 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2021-11-23 02:25:13,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:25:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-23 02:25:13,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 02:25:13,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:13,124 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:25:13,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:25:13,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 02:25:13,339 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:25:13,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:13,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1093605591, now seen corresponding path program 1 times [2021-11-23 02:25:13,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:13,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629759674] [2021-11-23 02:25:13,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:13,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:13,372 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:25:13,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795938751] [2021-11-23 02:25:13,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:13,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:13,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:13,376 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:25:13,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:25:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:13,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:25:13,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:25:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:25:13,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:25:13,760 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:13,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629759674] [2021-11-23 02:25:13,761 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:25:13,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795938751] [2021-11-23 02:25:13,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795938751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:25:13,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:25:13,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:25:13,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254612547] [2021-11-23 02:25:13,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:25:13,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:25:13,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:25:13,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:25:13,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:25:13,769 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:25:15,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:25:15,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:25:15,937 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2021-11-23 02:25:15,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:25:15,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-23 02:25:15,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:25:15,946 INFO L225 Difference]: With dead ends: 141 [2021-11-23 02:25:15,946 INFO L226 Difference]: Without dead ends: 140 [2021-11-23 02:25:15,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:25:15,948 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:25:15,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 02:25:15,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-23 02:25:15,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-11-23 02:25:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 129 states have internal predecessors, (142), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:25:15,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2021-11-23 02:25:15,995 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2021-11-23 02:25:15,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:25:15,995 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2021-11-23 02:25:15,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:25:15,996 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-23 02:25:15,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 02:25:15,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:15,998 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:25:16,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:25:16,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:16,203 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:25:16,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:16,217 INFO L85 PathProgramCache]: Analyzing trace with hash -457964632, now seen corresponding path program 1 times [2021-11-23 02:25:16,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:16,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029205941] [2021-11-23 02:25:16,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:16,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:16,236 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:25:16,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [728200428] [2021-11-23 02:25:16,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:16,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:16,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:16,243 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:25:16,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:25:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:16,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:25:16,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:25:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:25:16,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:25:16,574 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:16,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029205941] [2021-11-23 02:25:16,575 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:25:16,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728200428] [2021-11-23 02:25:16,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728200428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:25:16,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:25:16,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:25:16,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395754144] [2021-11-23 02:25:16,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:25:16,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:25:16,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:25:16,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:25:16,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:25:16,591 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:25:17,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:25:17,483 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2021-11-23 02:25:17,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:25:17,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2021-11-23 02:25:17,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:25:17,493 INFO L225 Difference]: With dead ends: 138 [2021-11-23 02:25:17,494 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 02:25:17,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:25:17,496 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:25:17,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 02:25:17,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 02:25:17,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 02:25:17,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:25:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-23 02:25:17,519 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2021-11-23 02:25:17,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:25:17,520 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-23 02:25:17,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:25:17,521 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-23 02:25:17,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 02:25:17,523 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:17,523 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] [2021-11-23 02:25:17,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:25:17,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-23 02:25:17,739 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:25:17,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:17,740 INFO L85 PathProgramCache]: Analyzing trace with hash -2017329836, now seen corresponding path program 1 times [2021-11-23 02:25:17,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:17,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121663714] [2021-11-23 02:25:17,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:17,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:17,778 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:25:17,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [406550123] [2021-11-23 02:25:17,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:17,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:17,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:17,782 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:25:17,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:25:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:17,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:25:17,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:25:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:25:18,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:25:18,135 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:18,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121663714] [2021-11-23 02:25:18,136 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:25:18,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406550123] [2021-11-23 02:25:18,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406550123] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:25:18,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:25:18,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:25:18,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20456618] [2021-11-23 02:25:18,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:25:18,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:25:18,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:25:18,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:25:18,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:25:18,152 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:25:19,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:25:19,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:25:19,990 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2021-11-23 02:25:19,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:25:19,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-23 02:25:19,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:25:20,000 INFO L225 Difference]: With dead ends: 246 [2021-11-23 02:25:20,000 INFO L226 Difference]: Without dead ends: 135 [2021-11-23 02:25:20,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:25:20,003 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:25:20,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-23 02:25:20,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-23 02:25:20,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-23 02:25:20,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 126 states have internal predecessors, (138), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:25:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-23 02:25:20,024 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2021-11-23 02:25:20,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:25:20,025 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-23 02:25:20,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:25:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-23 02:25:20,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 02:25:20,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:20,028 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:25:20,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:25:20,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:20,255 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:25:20,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:20,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1320081689, now seen corresponding path program 1 times [2021-11-23 02:25:20,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:20,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767460781] [2021-11-23 02:25:20,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:20,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:20,297 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:25:20,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478809477] [2021-11-23 02:25:20,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:20,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:20,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:20,311 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:25:20,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 02:25:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:20,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:25:20,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:25:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:25:21,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:25:21,106 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:21,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767460781] [2021-11-23 02:25:21,106 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:25:21,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478809477] [2021-11-23 02:25:21,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478809477] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:25:21,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:25:21,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:25:21,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965240316] [2021-11-23 02:25:21,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:25:21,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:25:21,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:25:21,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:25:21,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:25:21,109 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:25:21,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:25:21,801 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2021-11-23 02:25:21,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:25:21,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2021-11-23 02:25:21,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:25:21,809 INFO L225 Difference]: With dead ends: 252 [2021-11-23 02:25:21,809 INFO L226 Difference]: Without dead ends: 137 [2021-11-23 02:25:21,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:25:21,812 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:25:21,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-23 02:25:21,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-23 02:25:21,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-23 02:25:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 128 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-23 02:25:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2021-11-23 02:25:21,837 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2021-11-23 02:25:21,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:25:21,838 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2021-11-23 02:25:21,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:25:21,838 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-23 02:25:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 02:25:21,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:21,840 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:25:21,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 02:25:22,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:22,041 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-23 02:25:22,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:22,042 INFO L85 PathProgramCache]: Analyzing trace with hash 198198289, now seen corresponding path program 1 times [2021-11-23 02:25:22,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:22,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224599717] [2021-11-23 02:25:22,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:22,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:22,070 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:25:22,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1527680690] [2021-11-23 02:25:22,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:22,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:25:22,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:22,076 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:25:22,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_963e27f5-f956-4153-a00c-2835b5971ecd/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 02:25:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:25,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 02:25:25,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:25:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:25:25,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:25:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:25:25,809 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:25,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224599717] [2021-11-23 02:25:25,810 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:25:25,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527680690] [2021-11-23 02:25:25,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527680690] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:25:25,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [572644112] [2021-11-23 02:25:25,844 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-23 02:25:25,845 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:25:25,855 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:25:25,863 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:25:25,864 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:25:26,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:25:26,047 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-23 02:25:26,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-23 02:25:26,079 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:25:26,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-23 02:25:26,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:25:26,143 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:25:26,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-23 02:25:26,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:25:26,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:25:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 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 [2021-11-23 02:25:26,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:25:26,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-23 02:25:26,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-23 02:25:26,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:25:26,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:25:26,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-23 02:25:26,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:25:26,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:26,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-23 02:25:27,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:25:27,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-23 02:25:27,114 INFO L354 Elim1Store]: treesize reduction 78, result has 17.0 percent of original size [2021-11-23 02:25:27,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 125 [2021-11-23 02:25:27,191 INFO L354 Elim1Store]: treesize reduction 160, result has 11.6 percent of original size [2021-11-23 02:25:27,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 116 treesize of output 119 [2021-11-23 02:25:27,309 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 [2021-11-23 02:25:27,314 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 [2021-11-23 02:25:27,320 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 [2021-11-23 02:25:27,383 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:25:27,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-23 02:25:27,414 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:25:27,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-23 02:25:27,446 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:25:27,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-23 02:25:27,492 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 16 treesize of output 12 [2021-11-23 02:25:27,497 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 14 treesize of output 10 [2021-11-23 02:25:27,503 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 14 treesize of output 10 [2021-11-23 02:25:27,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:25:27,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,604 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 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-23 02:25:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:25:27,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,740 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 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-23 02:25:27,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:25:27,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:27,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:25:35,647 WARN L227 SmtUtils]: Spent 7.78s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:25:35,648 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:25:35,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2841 treesize of output 2318 [2021-11-23 02:25:35,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:25:48,166 WARN L227 SmtUtils]: Spent 12.45s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:25:48,167 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:25:48,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2942 treesize of output 2660 [2021-11-23 02:26:01,746 WARN L227 SmtUtils]: Spent 13.45s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:26:01,747 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-23 02:26:01,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2910 treesize of output 2680 [2021-11-23 02:26:03,836 INFO L354 Elim1Store]: treesize reduction 126, result has 25.0 percent of original size [2021-11-23 02:26:03,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 25948 treesize of output 25976 [2021-11-23 02:26:04,735 INFO L354 Elim1Store]: treesize reduction 80, result has 20.8 percent of original size [2021-11-23 02:26:04,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 25958 treesize of output 25969 [2021-11-23 02:26:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:05,677 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-23 02:26:05,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-23 02:26:05,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:06,216 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:26:06,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-23 02:26:06,390 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:06,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:06,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:06,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-23 02:26:06,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:06,827 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-23 02:26:06,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-23 02:26:07,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:07,031 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:26:07,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-23 02:26:07,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:07,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:07,195 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-23 02:26:07,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-23 02:26:07,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:07,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:07,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:07,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:07,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:07,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-11-23 02:26:07,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:08,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:08,526 INFO L244 Elim1Store]: Index analysis took 215 ms [2021-11-23 02:26:09,914 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:26:09,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4034 treesize of output 5426 [2021-11-23 02:26:26,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:26,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:26,337 INFO L244 Elim1Store]: Index analysis took 123 ms [2021-11-23 02:26:26,605 INFO L354 Elim1Store]: treesize reduction 1822, result has 0.1 percent of original size [2021-11-23 02:26:26,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 4050 treesize of output 3588 [2021-11-23 02:26:26,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:26,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:26,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:27,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:27,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:27,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:27,213 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:27,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:27,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:27,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:27,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:27,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:27,475 INFO L244 Elim1Store]: Index analysis took 152 ms [2021-11-23 02:26:27,602 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:26:27,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1715 treesize of output 1483 [2021-11-23 02:26:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:28,141 INFO L244 Elim1Store]: Index analysis took 378 ms [2021-11-23 02:26:29,863 INFO L354 Elim1Store]: treesize reduction 881, result has 53.0 percent of original size [2021-11-23 02:26:29,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 1736 treesize of output 2259 [2021-11-23 02:26:30,215 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,261 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,311 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,543 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:30,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:31,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:31,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:31,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:31,195 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-11-23 02:26:31,580 INFO L354 Elim1Store]: treesize reduction 805, result has 31.0 percent of original size [2021-11-23 02:26:31,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1715 treesize of output 1627 [2021-11-23 02:26:31,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:31,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:31,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,046 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,421 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,503 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,727 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,782 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:32,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:32,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:26:32,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:32,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1697 treesize of output 1247 [2021-11-23 02:26:33,046 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,075 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,257 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,688 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,733 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,799 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:33,873 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,223 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,254 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,448 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,489 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,605 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,896 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:34,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,256 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,437 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,578 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,869 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:35,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:26:47,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:47,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:47,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:26:47,283 INFO L244 Elim1Store]: Index analysis took 270 ms [2021-11-23 02:26:53,302 WARN L227 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 152 DAG size of output: 126 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:26:53,303 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-23 02:26:53,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 458493 treesize of output 456565 [2021-11-23 02:30:39,972 WARN L227 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 1506 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 02:37:04,480 WARN L227 SmtUtils]: Spent 14.01s on a formula simplification. DAG size of input: 1621 DAG size of output: 1621 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)