./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh --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 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 05:42:34,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:42:34,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:42:34,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:42:34,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:42:34,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:42:34,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:42:34,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:42:34,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:42:34,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:42:34,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:42:34,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:42:34,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:42:34,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:42:34,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:42:34,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:42:34,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:42:34,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:42:34,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:42:34,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:42:34,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:42:34,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:42:34,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:42:34,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:42:34,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:42:34,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:42:34,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:42:34,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:42:34,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:42:34,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:42:34,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:42:34,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:42:34,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:42:34,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:42:34,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:42:34,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:42:34,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:42:34,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:42:34,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:42:34,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:42:34,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:42:34,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 05:42:34,393 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:42:34,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:42:34,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:42:34,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:42:34,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:42:34,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:42:34,394 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:42:34,395 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:42:34,395 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:42:34,395 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:42:34,395 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:42:34,395 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:42:34,395 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:42:34,395 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:42:34,395 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:42:34,395 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:42:34,395 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:42:34,395 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:42:34,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:42:34,396 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:42:34,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:42:34,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:42:34,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:42:34,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:42:34,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:42:34,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:42:34,397 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:42:34,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:42:34,397 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:42:34,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:42:34,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:42:34,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:42:34,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:42:34,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:42:34,397 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:42:34,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:42:34,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:42:34,398 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:42:34,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:42:34,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:42:34,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:42:34,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2022-12-14 05:42:34,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:42:34,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:42:34,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:42:34,606 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:42:34,606 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:42:34,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2022-12-14 05:42:37,298 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:42:37,550 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:42:37,550 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2022-12-14 05:42:37,563 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/data/6c6df8550/c6cac75444e043e68ad0f330b6833ad4/FLAG4db4447fa [2022-12-14 05:42:37,580 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/data/6c6df8550/c6cac75444e043e68ad0f330b6833ad4 [2022-12-14 05:42:37,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:42:37,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:42:37,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:42:37,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:42:37,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:42:37,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:42:37" (1/1) ... [2022-12-14 05:42:37,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2971753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:37, skipping insertion in model container [2022-12-14 05:42:37,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:42:37" (1/1) ... [2022-12-14 05:42:37,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:42:37,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:42:37,859 WARN L237 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_100b96d9-d4eb-4ea8-846f-ab3f095b245e/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2022-12-14 05:42:37,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:42:37,921 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:42:37,941 WARN L237 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_100b96d9-d4eb-4ea8-846f-ab3f095b245e/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2022-12-14 05:42:37,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:42:38,004 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:42:38,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38 WrapperNode [2022-12-14 05:42:38,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:42:38,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:42:38,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:42:38,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:42:38,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (1/1) ... [2022-12-14 05:42:38,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (1/1) ... [2022-12-14 05:42:38,053 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-12-14 05:42:38,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:42:38,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:42:38,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:42:38,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:42:38,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (1/1) ... [2022-12-14 05:42:38,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (1/1) ... [2022-12-14 05:42:38,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (1/1) ... [2022-12-14 05:42:38,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (1/1) ... [2022-12-14 05:42:38,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (1/1) ... [2022-12-14 05:42:38,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (1/1) ... [2022-12-14 05:42:38,095 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (1/1) ... [2022-12-14 05:42:38,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (1/1) ... [2022-12-14 05:42:38,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:42:38,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:42:38,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:42:38,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:42:38,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (1/1) ... [2022-12-14 05:42:38,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:42:38,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:42:38,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:42:38,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:42:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:42:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 05:42:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 05:42:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:42:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 05:42:38,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 05:42:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:42:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:42:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:42:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:42:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:42:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:42:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:42:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:42:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:42:38,319 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:42:38,322 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:42:39,105 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:42:39,305 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:42:39,305 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-12-14 05:42:39,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:42:39 BoogieIcfgContainer [2022-12-14 05:42:39,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:42:39,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:42:39,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:42:39,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:42:39,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:42:37" (1/3) ... [2022-12-14 05:42:39,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3b5f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:42:39, skipping insertion in model container [2022-12-14 05:42:39,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:42:38" (2/3) ... [2022-12-14 05:42:39,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3b5f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:42:39, skipping insertion in model container [2022-12-14 05:42:39,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:42:39" (3/3) ... [2022-12-14 05:42:39,313 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-2.i [2022-12-14 05:42:39,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:42:39,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:42:39,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:42:39,367 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2763bf7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:42:39,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:42:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 05:42:39,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 05:42:39,376 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:42:39,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:42:39,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:42:39,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:42:39,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-12-14 05:42:39,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:42:39,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157861560] [2022-12-14 05:42:39,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:42:39,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:42:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:42:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:42:39,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:42:39,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157861560] [2022-12-14 05:42:39,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157861560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:42:39,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:42:39,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:42:39,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458966383] [2022-12-14 05:42:39,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:42:39,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:42:39,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:42:39,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:42:39,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:42:39,551 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 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) [2022-12-14 05:42:40,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:42:40,223 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-12-14 05:42:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:42:40,227 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 [2022-12-14 05:42:40,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:42:40,235 INFO L225 Difference]: With dead ends: 237 [2022-12-14 05:42:40,235 INFO L226 Difference]: Without dead ends: 128 [2022-12-14 05:42:40,237 INFO L412 NwaCegarLoop]: 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 [2022-12-14 05:42:40,241 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:42:40,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 05:42:40,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-12-14 05:42:40,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-12-14 05:42:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 05:42:40,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-12-14 05:42:40,282 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-12-14 05:42:40,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:42:40,282 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-12-14 05:42:40,282 INFO L496 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) [2022-12-14 05:42:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-12-14 05:42:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 05:42:40,284 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:42:40,284 INFO L195 NwaCegarLoop]: 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] [2022-12-14 05:42:40,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:42:40,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:42:40,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:42:40,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-12-14 05:42:40,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:42:40,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487366715] [2022-12-14 05:42:40,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:42:40,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:42:40,419 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 05:42:40,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1085724782] [2022-12-14 05:42:40,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:42:40,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:42:40,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:42:40,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:42:40,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:42:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:42:40,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:42:40,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:42:40,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:42:40,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:42:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:42:40,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:42:40,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487366715] [2022-12-14 05:42:40,993 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 05:42:40,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085724782] [2022-12-14 05:42:40,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085724782] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:42:40,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [754276622] [2022-12-14 05:42:41,013 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-12-14 05:42:41,013 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:42:41,017 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:42:41,022 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:42:41,023 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:42:41,130 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 05:42:41,131 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:42:41,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,149 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:42:41,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,159 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:42:41,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:42:41,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,180 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 05:42:41,181 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:42:41,219 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 05:42:41,219 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:42:41,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 05:42:41,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 05:42:41,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 05:42:41,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 05:42:41,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 05:42:41,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 05:42:41,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:42:41,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 05:42:42,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 05:42:42,045 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:42:56,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [754276622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:42:56,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:42:56,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-12-14 05:42:56,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718688454] [2022-12-14 05:42:56,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:42:56,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 05:42:56,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:42:56,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 05:42:56,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-12-14 05:42:56,558 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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) [2022-12-14 05:43:01,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 05:43:03,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 05:43:05,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:43:05,494 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-12-14 05:43:05,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:43:05,501 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 31 [2022-12-14 05:43:05,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:43:05,502 INFO L225 Difference]: With dead ends: 171 [2022-12-14 05:43:05,502 INFO L226 Difference]: Without dead ends: 92 [2022-12-14 05:43:05,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-12-14 05:43:05,503 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:43:05,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 05:43:05,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-14 05:43:05,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-12-14 05:43:05,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 05:43:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-12-14 05:43:05,514 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-12-14 05:43:05,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:43:05,514 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-12-14 05:43:05,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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) [2022-12-14 05:43:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-12-14 05:43:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 05:43:05,515 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:43:05,515 INFO L195 NwaCegarLoop]: 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] [2022-12-14 05:43:05,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 05:43:05,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:43:05,717 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:43:05,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:43:05,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1276436578, now seen corresponding path program 1 times [2022-12-14 05:43:05,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:43:05,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946331675] [2022-12-14 05:43:05,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:43:05,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:43:05,768 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 05:43:05,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [935084487] [2022-12-14 05:43:05,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:43:05,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:43:05,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:43:05,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:43:05,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 05:43:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:43:06,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:43:06,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:43:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 05:43:06,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:43:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 05:43:06,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:43:06,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946331675] [2022-12-14 05:43:06,135 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 05:43:06,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935084487] [2022-12-14 05:43:06,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935084487] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:43:06,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [107452633] [2022-12-14 05:43:06,140 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 05:43:06,140 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:43:06,140 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:43:06,140 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:43:06,140 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:43:06,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,167 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:43:06,198 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 05:43:06,198 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:43:06,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:43:06,208 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:43:06,216 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:43:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,229 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:43:06,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 05:43:06,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 05:43:06,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 05:43:06,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-12-14 05:43:06,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 05:43:06,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 05:43:06,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 05:43:06,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 05:43:06,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:06,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 05:43:06,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 05:43:06,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2022-12-14 05:43:06,764 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 05:43:06,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 05:43:06,822 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 05:43:06,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 05:43:07,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 05:43:07,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 05:43:07,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 05:43:07,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 05:43:07,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 05:43:07,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 05:43:07,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 05:43:07,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9897003 treesize of output 5376293 [2022-12-14 05:43:07,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 05:43:07,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2022-12-14 05:43:07,721 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-12-14 05:43:07,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-12-14 05:43:07,777 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 05:43:07,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 05:43:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:07,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 05:43:07,869 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-12-14 05:43:07,942 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:43:30,408 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 05:43:42,845 WARN L233 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 05:43:55,906 WARN L233 SmtUtils]: Spent 6.92s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 05:43:56,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [107452633] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:43:56,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 05:43:56,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-12-14 05:43:56,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017030739] [2022-12-14 05:43:56,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:43:56,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 05:43:56,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:43:56,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 05:43:56,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 05:43:56,539 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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) [2022-12-14 05:43:58,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 05:44:01,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 05:44:03,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 05:44:05,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 05:44:07,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 05:44:09,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 05:44:11,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 05:44:13,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 05:44:15,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 05:44:22,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:44:22,057 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-12-14 05:44:22,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 05:44:22,061 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 44 [2022-12-14 05:44:22,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:44:22,061 INFO L225 Difference]: With dead ends: 175 [2022-12-14 05:44:22,061 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 05:44:22,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 48.6s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-12-14 05:44:22,062 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:44:22,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 344 Invalid, 9 Unknown, 0 Unchecked, 25.5s Time] [2022-12-14 05:44:22,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 05:44:22,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-14 05:44:22,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-14 05:44:22,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-12-14 05:44:22,077 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-12-14 05:44:22,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:44:22,077 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-12-14 05:44:22,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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) [2022-12-14 05:44:22,078 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-12-14 05:44:22,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 05:44:22,078 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:44:22,078 INFO L195 NwaCegarLoop]: 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] [2022-12-14 05:44:22,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 05:44:22,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:44:22,280 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:44:22,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:44:22,281 INFO L85 PathProgramCache]: Analyzing trace with hash -787068528, now seen corresponding path program 1 times [2022-12-14 05:44:22,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:44:22,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664522853] [2022-12-14 05:44:22,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:44:22,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:44:22,343 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 05:44:22,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [987873527] [2022-12-14 05:44:22,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:44:22,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:44:22,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:44:22,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:44:22,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100b96d9-d4eb-4ea8-846f-ab3f095b245e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 05:44:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:44:22,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 05:44:22,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:44:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 05:44:22,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:44:22,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 05:44:22,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:44:22,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664522853] [2022-12-14 05:44:22,704 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 05:44:22,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987873527] [2022-12-14 05:44:22,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987873527] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:44:22,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1247338545] [2022-12-14 05:44:22,706 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-12-14 05:44:22,706 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:44:22,707 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:44:22,707 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:44:22,707 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:44:22,747 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 05:44:22,747 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:44:22,753 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:44:22,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:44:22,760 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:44:22,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,771 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:44:22,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,780 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:44:22,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-12-14 05:44:22,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:22,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-12-14 05:44:22,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 05:44:23,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-12-14 05:44:23,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 05:44:23,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 05:44:23,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 05:44:23,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-14 05:44:23,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-12-14 05:44:23,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-12-14 05:44:23,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2022-12-14 05:44:23,225 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 05:44:23,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-12-14 05:44:23,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-12-14 05:44:23,323 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:44:23,327 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:44:23,331 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:44:23,365 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 05:44:23,365 INFO L350 Elim1Store]: Elim1 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 51 treesize of output 54 [2022-12-14 05:44:23,392 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 05:44:23,392 INFO L350 Elim1Store]: Elim1 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 49 treesize of output 52 [2022-12-14 05:44:23,415 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 05:44:23,416 INFO L350 Elim1Store]: Elim1 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 43 treesize of output 46 [2022-12-14 05:44:23,442 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:44:23,446 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:44:23,451 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:44:23,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 05:44:23,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 05:44:23,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 05:44:23,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:44:23,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-12-14 05:44:23,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-12-14 05:44:23,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-12-14 05:44:24,583 INFO L217 Elim1Store]: Index analysis took 773 ms [2022-12-14 05:44:26,474 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-12-14 05:44:26,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752658 treesize of output 10752661 [2022-12-14 05:44:27,431 INFO L217 Elim1Store]: Index analysis took 879 ms [2022-12-14 05:44:30,941 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-12-14 05:44:30,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752663 treesize of output 10752665 [2022-12-14 05:44:41,284 WARN L233 SmtUtils]: Spent 10.31s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 05:44:41,284 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-12-14 05:44:41,285 INFO L350 Elim1Store]: Elim1 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 1986 treesize of output 1476 [2022-12-14 05:45:01,401 WARN L233 SmtUtils]: Spent 20.00s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 05:45:01,401 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-12-14 05:45:01,401 INFO L350 Elim1Store]: Elim1 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 2005 treesize of output 1834 [2022-12-14 05:45:02,060 INFO L217 Elim1Store]: Index analysis took 578 ms [2022-12-14 05:45:25,358 WARN L233 SmtUtils]: Spent 22.62s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 05:45:25,359 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-12-14 05:45:25,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-12-14 05:45:26,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:45:26,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-12-14 05:45:26,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:26,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:26,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:45:26,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-12-14 05:48:08,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:48:08,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 05:48:08,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:48:08,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 05:51:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:51:22,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-12-14 05:51:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:51:22,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11