./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:45:56,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:45:56,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:45:56,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:45:56,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:45:56,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:45:56,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:45:56,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:45:56,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:45:56,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:45:56,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:45:56,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:45:56,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:45:56,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:45:56,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:45:56,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:45:56,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:45:56,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:45:56,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:45:56,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:45:56,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:45:56,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:45:56,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:45:56,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:45:56,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:45:56,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:45:56,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:45:56,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:45:56,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:45:56,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:45:56,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:45:56,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:45:56,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:45:56,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:45:56,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:45:56,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:45:56,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:45:56,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:45:56,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:45:56,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:45:56,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:45:56,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:45:56,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:45:56,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:45:56,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:45:56,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:45:56,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:45:56,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:45:56,194 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:45:56,195 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:45:56,195 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:45:56,195 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:45:56,196 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:45:56,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:45:56,197 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:45:56,197 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:45:56,197 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:45:56,197 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:45:56,198 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:45:56,198 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:45:56,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:45:56,199 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:45:56,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:45:56,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:45:56,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:45:56,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:45:56,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:45:56,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:45:56,200 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:45:56,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:45:56,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:45:56,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:45:56,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:45:56,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:45:56,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:45:56,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:45:56,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:45:56,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:45:56,203 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:45:56,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:45:56,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:45:56,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:45:56,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:45:56,204 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_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 [2021-11-21 01:45:56,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:45:56,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:45:56,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:45:56,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:45:56,545 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:45:56,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2021-11-21 01:45:56,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/data/d95fedb75/2f8505b0c5d34963b264fbe84f3c4922/FLAG4abb4d105 [2021-11-21 01:45:57,322 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:45:57,323 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2021-11-21 01:45:57,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/data/d95fedb75/2f8505b0c5d34963b264fbe84f3c4922/FLAG4abb4d105 [2021-11-21 01:45:57,517 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/data/d95fedb75/2f8505b0c5d34963b264fbe84f3c4922 [2021-11-21 01:45:57,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:45:57,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:45:57,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:45:57,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:45:57,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:45:57,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:45:57" (1/1) ... [2021-11-21 01:45:57,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c53d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:57, skipping insertion in model container [2021-11-21 01:45:57,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:45:57" (1/1) ... [2021-11-21 01:45:57,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:45:57,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:45:58,082 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_041a0a05-5f2d-49e0-9ebf-b47782e04395/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i[33021,33034] [2021-11-21 01:45:58,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:45:58,257 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:45:58,310 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_041a0a05-5f2d-49e0-9ebf-b47782e04395/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i[33021,33034] [2021-11-21 01:45:58,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:45:58,469 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:45:58,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58 WrapperNode [2021-11-21 01:45:58,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:45:58,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:45:58,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:45:58,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:45:58,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58" (1/1) ... [2021-11-21 01:45:58,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58" (1/1) ... [2021-11-21 01:45:58,688 INFO L137 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1445 [2021-11-21 01:45:58,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:45:58,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:45:58,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:45:58,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:45:58,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58" (1/1) ... [2021-11-21 01:45:58,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58" (1/1) ... [2021-11-21 01:45:58,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58" (1/1) ... [2021-11-21 01:45:58,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58" (1/1) ... [2021-11-21 01:45:58,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58" (1/1) ... [2021-11-21 01:45:58,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58" (1/1) ... [2021-11-21 01:45:58,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58" (1/1) ... [2021-11-21 01:45:58,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:45:58,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:45:58,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:45:58,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:45:58,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58" (1/1) ... [2021-11-21 01:45:58,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:45:58,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:45:58,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:45:58,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:45:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:45:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:45:58,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:45:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:45:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:45:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:45:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:45:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:45:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:45:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:45:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:45:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:45:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:45:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:45:58,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:45:59,305 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:45:59,328 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:46:00,744 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:46:01,278 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:46:01,279 INFO L301 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-21 01:46:01,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:01 BoogieIcfgContainer [2021-11-21 01:46:01,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:46:01,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:46:01,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:46:01,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:46:01,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:45:57" (1/3) ... [2021-11-21 01:46:01,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a243fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:01, skipping insertion in model container [2021-11-21 01:46:01,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:58" (2/3) ... [2021-11-21 01:46:01,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a243fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:01, skipping insertion in model container [2021-11-21 01:46:01,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:01" (3/3) ... [2021-11-21 01:46:01,293 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-3.i [2021-11-21 01:46:01,305 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:46:01,305 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:46:01,372 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:46:01,388 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 [2021-11-21 01:46:01,392 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:46:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 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) [2021-11-21 01:46:01,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:46:01,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:01,424 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:01,425 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:01,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:01,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1783625313, now seen corresponding path program 1 times [2021-11-21 01:46:01,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:01,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402164511] [2021-11-21 01:46:01,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:01,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:01,633 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:01,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402164511] [2021-11-21 01:46:01,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402164511] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:01,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:01,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:46:01,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331512507] [2021-11-21 01:46:01,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:01,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:46:01,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:01,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:46:01,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:46:01,681 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:03,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:03,857 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2021-11-21 01:46:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:46:03,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 01:46:03,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:03,881 INFO L225 Difference]: With dead ends: 399 [2021-11-21 01:46:03,881 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 01:46:03,885 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 [2021-11-21 01:46:03,889 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 97 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:03,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 344 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:46:03,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 01:46:03,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 01:46:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 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) [2021-11-21 01:46:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 01:46:03,945 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 01:46:03,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:03,945 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 01:46:03,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:03,946 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 01:46:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:46:03,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:03,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:03,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:46:03,951 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:03,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:03,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1011489585, now seen corresponding path program 1 times [2021-11-21 01:46:03,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:03,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315512236] [2021-11-21 01:46:03,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:03,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:03,978 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:03,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662820263] [2021-11-21 01:46:03,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:03,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:03,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:03,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:04,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:46:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:04,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:46:04,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:04,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:46:04,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:04,654 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:04,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315512236] [2021-11-21 01:46:04,655 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:04,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662820263] [2021-11-21 01:46:04,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662820263] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:46:04,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2084270682] [2021-11-21 01:46:04,677 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 01:46:04,677 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:46:04,682 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:46:04,687 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:46:04,688 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:46:04,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:04,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:46:04,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:04,926 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:46:04,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:46:04,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:04,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:05,029 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:46:05,029 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 [2021-11-21 01:46:05,144 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:46:05,144 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 [2021-11-21 01:46:05,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:05,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:06,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,471 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 29 treesize of output 19 [2021-11-21 01:46:06,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,506 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 29 treesize of output 19 [2021-11-21 01:46:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:46:06,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 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 [2021-11-21 01:46:06,683 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:46:06,684 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 [2021-11-21 01:46:06,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:46:06,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,751 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:46:06,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:46:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:06,850 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:46:06,852 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 [2021-11-21 01:46:06,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:06,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:08,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,110 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 29 treesize of output 19 [2021-11-21 01:46:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,155 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 29 treesize of output 19 [2021-11-21 01:46:08,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:46:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:08,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 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 [2021-11-21 01:46:08,252 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:46:08,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2084270682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:08,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:46:08,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 01:46:08,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491906394] [2021-11-21 01:46:08,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:08,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:46:08,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:08,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:46:08,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:46:08,901 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:12,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:12,449 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 01:46:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:46:12,449 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-21 01:46:12,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:12,451 INFO L225 Difference]: With dead ends: 265 [2021-11-21 01:46:12,452 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:46:12,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:46:12,454 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 12 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:12,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 371 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-21 01:46:12,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:46:12,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 01:46:12,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) 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) [2021-11-21 01:46:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:46:12,472 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 01:46:12,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:12,473 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:46:12,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:12,473 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:46:12,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:46:12,476 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:12,476 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:12,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:12,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:12,694 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:12,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:12,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1235485580, now seen corresponding path program 1 times [2021-11-21 01:46:12,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:12,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756641642] [2021-11-21 01:46:12,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:12,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:12,716 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:12,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [139473594] [2021-11-21 01:46:12,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:12,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:12,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:12,718 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:12,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:46:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:13,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:46:13,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:46:13,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:46:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:46:13,432 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:13,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756641642] [2021-11-21 01:46:13,432 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:13,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139473594] [2021-11-21 01:46:13,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139473594] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:46:13,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [481281916] [2021-11-21 01:46:13,438 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:46:13,438 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:46:13,439 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:46:13,439 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:46:13,439 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:46:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:13,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:46:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:13,666 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:46:13,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:46:13,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:13,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:13,752 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:46:13,753 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 [2021-11-21 01:46:13,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:13,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:13,834 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:46:13,835 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 [2021-11-21 01:46:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:14,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:14,955 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 29 treesize of output 19 [2021-11-21 01:46:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:46:15,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 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 [2021-11-21 01:46:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,130 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 29 treesize of output 19 [2021-11-21 01:46:15,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 01:46:15,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 01:46:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:46:15,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-21 01:46:15,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,476 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:46:15,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:46:15,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2021-11-21 01:46:15,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,610 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:46:15,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:46:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,670 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:46:15,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:46:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:15,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2021-11-21 01:46:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:16,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:16,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:16,600 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:46:16,601 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 [2021-11-21 01:46:16,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:46:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:16,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:46:16,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:46:17,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:46:17,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 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 [2021-11-21 01:46:17,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,875 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 29 treesize of output 19 [2021-11-21 01:46:17,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,914 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 29 treesize of output 19 [2021-11-21 01:46:17,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:17,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 01:46:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 01:46:18,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:46:18,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-21 01:46:18,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2021-11-21 01:46:18,303 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:46:18,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:46:18,353 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:46:18,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:46:18,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-21 01:46:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2021-11-21 01:46:19,324 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 01:46:19,582 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:46:20,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [481281916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:20,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:46:20,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 01:46:20,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508295355] [2021-11-21 01:46:20,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:20,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:46:20,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:20,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:46:20,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:46:20,635 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:46:23,563 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:46:28,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:46:30,782 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:46:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:30,809 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 01:46:30,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:46:30,810 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-21 01:46:30,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:30,812 INFO L225 Difference]: With dead ends: 267 [2021-11-21 01:46:30,812 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 01:46:30,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:46:30,815 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 7 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:30,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 765 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 310 Invalid, 0 Unknown, 80 Unchecked, 10.1s Time] [2021-11-21 01:46:30,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 01:46:30,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 01:46:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-21 01:46:30,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 01:46:30,835 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 01:46:30,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:30,835 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 01:46:30,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:46:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 01:46:30,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:46:30,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:30,839 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:30,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:31,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-21 01:46:31,065 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:31,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:31,065 INFO L85 PathProgramCache]: Analyzing trace with hash -662703022, now seen corresponding path program 1 times [2021-11-21 01:46:31,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:31,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935086904] [2021-11-21 01:46:31,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:31,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:31,077 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:31,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795851759] [2021-11-21 01:46:31,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:31,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:31,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:31,093 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:31,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_041a0a05-5f2d-49e0-9ebf-b47782e04395/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:46:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:31,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:46:31,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:46:31,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:46:31,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:46:31,654 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:31,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935086904] [2021-11-21 01:46:31,654 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:31,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795851759] [2021-11-21 01:46:31,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795851759] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:46:31,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [307184892] [2021-11-21 01:46:31,659 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:46:31,659 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:46:31,660 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:46:31,660 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:46:31,660 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:46:31,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:46:31,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,851 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:46:31,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:46:31,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:31,937 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:46:31,938 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 [2021-11-21 01:46:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:31,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:46:32,007 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:46:32,007 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 [2021-11-21 01:46:33,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,162 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 29 treesize of output 19 [2021-11-21 01:46:33,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,185 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 29 treesize of output 19 [2021-11-21 01:46:33,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:46:33,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 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 [2021-11-21 01:46:33,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 01:46:33,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:46:33,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-21 01:46:33,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-21 01:46:33,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,551 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:46:33,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:46:33,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2021-11-21 01:46:33,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2021-11-21 01:46:33,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,741 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:46:33,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:46:33,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:33,786 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:46:33,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:46:34,249 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 [2021-11-21 01:46:34,255 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 [2021-11-21 01:46:34,262 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 [2021-11-21 01:46:34,313 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:46:34,313 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 [2021-11-21 01:46:34,336 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:46:34,336 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 [2021-11-21 01:46:34,362 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:46:34,363 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 [2021-11-21 01:46:34,476 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 [2021-11-21 01:46:34,484 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 [2021-11-21 01:46:34,492 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 14 treesize of output 10 [2021-11-21 01:46:34,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 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 [2021-11-21 01:46:34,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:46:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:46:34,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:34,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:46:35,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 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 [2021-11-21 01:46:35,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:35,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:46:43,221 WARN L227 SmtUtils]: Spent 8.01s 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) [2021-11-21 01:46:43,221 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:46:43,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 01:46:43,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:53,831 WARN L227 SmtUtils]: Spent 10.58s 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) [2021-11-21 01:46:53,832 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:46:53,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 01:47:05,732 WARN L227 SmtUtils]: Spent 11.80s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:47:05,733 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:47:05,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-21 01:47:06,739 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:47:06,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-21 01:47:07,441 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:47:07,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-21 01:47:09,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:09,971 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:47:09,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:47:10,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:10,868 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:47:10,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44