./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS --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 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 --- 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-8393723 [2022-11-19 07:02:14,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:02:14,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:02:14,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:02:14,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:02:14,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:02:14,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:02:14,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:02:14,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:02:14,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:02:14,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:02:14,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:02:14,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:02:14,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:02:14,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:02:14,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:02:14,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:02:14,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:02:14,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:02:14,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:02:14,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:02:14,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:02:14,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:02:14,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:02:14,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:02:14,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:02:14,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:02:14,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:02:14,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:02:14,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:02:14,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:02:14,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:02:14,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:02:14,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:02:14,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:02:14,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:02:14,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:02:14,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:02:14,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:02:14,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:02:14,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:02:14,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:02:14,134 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:02:14,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:02:14,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:02:14,136 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:02:14,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:02:14,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:02:14,137 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:02:14,137 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:02:14,137 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:02:14,138 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:02:14,138 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:02:14,138 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:02:14,139 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:02:14,139 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:02:14,139 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:02:14,139 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:02:14,140 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:02:14,140 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:02:14,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:02:14,141 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:02:14,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:02:14,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:02:14,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:02:14,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:02:14,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:02:14,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:02:14,143 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:02:14,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:02:14,143 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:02:14,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:02:14,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:02:14,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:02:14,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:02:14,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:02:14,145 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:02:14,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:02:14,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:02:14,146 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:02:14,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:02:14,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:02:14,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:02:14,147 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_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 [2022-11-19 07:02:14,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:02:14,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:02:14,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:02:14,490 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:02:14,491 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:02:14,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2022-11-19 07:02:14,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/data/1f8b5e46e/e68fe296b8144b8ea599d570988a27ad/FLAG8ceb49bf8 [2022-11-19 07:02:15,192 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:02:15,193 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2022-11-19 07:02:15,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/data/1f8b5e46e/e68fe296b8144b8ea599d570988a27ad/FLAG8ceb49bf8 [2022-11-19 07:02:15,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/data/1f8b5e46e/e68fe296b8144b8ea599d570988a27ad [2022-11-19 07:02:15,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:02:15,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:02:15,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:02:15,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:02:15,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:02:15,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:02:15" (1/1) ... [2022-11-19 07:02:15,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ce34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:15, skipping insertion in model container [2022-11-19 07:02:15,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:02:15" (1/1) ... [2022-11-19 07:02:15,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:02:15,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:02:16,069 WARN L234 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_0f3e1af1-4cbe-4231-9f11-b554e069ee14/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2022-11-19 07:02:16,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:02:16,223 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:02:16,269 WARN L234 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_0f3e1af1-4cbe-4231-9f11-b554e069ee14/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2022-11-19 07:02:16,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:02:16,384 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:02:16,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16 WrapperNode [2022-11-19 07:02:16,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:02:16,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:02:16,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:02:16,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:02:16,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (1/1) ... [2022-11-19 07:02:16,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (1/1) ... [2022-11-19 07:02:16,511 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-11-19 07:02:16,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:02:16,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:02:16,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:02:16,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:02:16,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (1/1) ... [2022-11-19 07:02:16,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (1/1) ... [2022-11-19 07:02:16,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (1/1) ... [2022-11-19 07:02:16,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (1/1) ... [2022-11-19 07:02:16,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (1/1) ... [2022-11-19 07:02:16,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (1/1) ... [2022-11-19 07:02:16,641 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (1/1) ... [2022-11-19 07:02:16,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (1/1) ... [2022-11-19 07:02:16,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:02:16,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:02:16,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:02:16,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:02:16,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (1/1) ... [2022-11-19 07:02:16,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:02:16,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:16,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:02:16,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:02:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:02:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 07:02:16,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 07:02:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:02:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:02:16,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:02:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:02:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:02:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:02:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:02:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:02:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:02:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:02:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:02:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:02:17,028 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:02:17,030 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:02:18,235 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:02:18,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:02:18,532 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-11-19 07:02:18,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:02:18 BoogieIcfgContainer [2022-11-19 07:02:18,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:02:18,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:02:18,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:02:18,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:02:18,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:02:15" (1/3) ... [2022-11-19 07:02:18,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639d9fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:02:18, skipping insertion in model container [2022-11-19 07:02:18,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:02:16" (2/3) ... [2022-11-19 07:02:18,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639d9fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:02:18, skipping insertion in model container [2022-11-19 07:02:18,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:02:18" (3/3) ... [2022-11-19 07:02:18,544 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-2.i [2022-11-19 07:02:18,562 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:02:18,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:02:18,642 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:02:18,651 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;@1818a83c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:02:18,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:02:18,656 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) [2022-11-19 07:02:18,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:02:18,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:18,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:18,665 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:02:18,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:18,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-11-19 07:02:18,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:18,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436585968] [2022-11-19 07:02:18,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:18,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:02:18,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:18,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436585968] [2022-11-19 07:02:18,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436585968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:02:18,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:02:18,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:02:18,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830306953] [2022-11-19 07:02:18,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:18,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:02:18,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:18,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:02:18,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:02:18,980 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) [2022-11-19 07:02:19,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:19,875 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-11-19 07:02:19,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:02:19,881 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 [2022-11-19 07:02:19,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:19,891 INFO L225 Difference]: With dead ends: 237 [2022-11-19 07:02:19,891 INFO L226 Difference]: Without dead ends: 128 [2022-11-19 07:02:19,895 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 [2022-11-19 07:02:19,898 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:19,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 07:02:19,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-19 07:02:19,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-19 07:02:19,939 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) [2022-11-19 07:02:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-19 07:02:19,943 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-19 07:02:19,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:19,943 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-19 07:02:19,944 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) [2022-11-19 07:02:19,944 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-19 07:02:19,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:02:19,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:19,946 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] [2022-11-19 07:02:19,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:02:19,947 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:02:19,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:19,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-11-19 07:02:19,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:19,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992403668] [2022-11-19 07:02:19,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:19,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:20,125 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:02:20,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287159074] [2022-11-19 07:02:20,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:20,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:20,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:20,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:20,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:02:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:20,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:02:20,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:02:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:02:21,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:02:21,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:02:21,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:21,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992403668] [2022-11-19 07:02:21,108 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:02:21,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287159074] [2022-11-19 07:02:21,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287159074] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:02:21,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1042230578] [2022-11-19 07:02:21,133 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-19 07:02:21,133 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:02:21,137 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:02:21,143 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:02:21,144 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:02:21,294 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 07:02:21,296 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 [2022-11-19 07:02:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,327 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 [2022-11-19 07:02:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,340 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 [2022-11-19 07:02:21,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:02:21,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,369 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:02:21,370 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 [2022-11-19 07:02:21,425 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:02:21,425 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 [2022-11-19 07:02:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:21,973 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 [2022-11-19 07:02:22,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,027 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 [2022-11-19 07:02:22,066 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 [2022-11-19 07:02:22,089 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 [2022-11-19 07:02:22,546 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 [2022-11-19 07:02:22,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,597 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 [2022-11-19 07:02:22,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:22,651 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 [2022-11-19 07:02:22,703 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 [2022-11-19 07:02:22,735 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:02:30,531 WARN L233 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:02:37,838 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:02:37,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1042230578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:02:37,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:02:37,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-19 07:02:37,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586928840] [2022-11-19 07:02:37,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:37,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:02:37,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:37,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:02:37,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 07:02:37,847 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) [2022-11-19 07:02:40,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:40,114 INFO L93 Difference]: Finished difference Result 170 states and 228 transitions. [2022-11-19 07:02:40,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:02:40,121 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 [2022-11-19 07:02:40,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:40,123 INFO L225 Difference]: With dead ends: 170 [2022-11-19 07:02:40,123 INFO L226 Difference]: Without dead ends: 91 [2022-11-19 07:02:40,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 07:02:40,124 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 11 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:40,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 253 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 10 Unchecked, 2.2s Time] [2022-11-19 07:02:40,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-19 07:02:40,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-19 07:02:40,140 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) [2022-11-19 07:02:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-19 07:02:40,142 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-19 07:02:40,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:40,142 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-19 07:02:40,142 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) [2022-11-19 07:02:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-19 07:02:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 07:02:40,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:40,144 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] [2022-11-19 07:02:40,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:02:40,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:40,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:02:40,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:40,353 INFO L85 PathProgramCache]: Analyzing trace with hash -725737884, now seen corresponding path program 1 times [2022-11-19 07:02:40,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:40,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441416854] [2022-11-19 07:02:40,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:40,416 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:02:40,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1349857761] [2022-11-19 07:02:40,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:40,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:40,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:40,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:40,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:02:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:40,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:02:40,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:02:41,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:02:41,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:02:41,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:02:41,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:41,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441416854] [2022-11-19 07:02:41,160 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:02:41,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349857761] [2022-11-19 07:02:41,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349857761] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:02:41,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1813279186] [2022-11-19 07:02:41,164 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-19 07:02:41,164 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:02:41,165 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:02:41,165 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:02:41,165 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:02:41,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,203 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 [2022-11-19 07:02:41,251 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:02:41,252 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 [2022-11-19 07:02:41,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:02:41,264 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 [2022-11-19 07:02:41,281 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 [2022-11-19 07:02:41,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,308 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 [2022-11-19 07:02:41,566 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 [2022-11-19 07:02:41,580 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 [2022-11-19 07:02:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,633 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 [2022-11-19 07:02:41,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,694 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 [2022-11-19 07:02:41,740 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 [2022-11-19 07:02:41,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,798 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 [2022-11-19 07:02:41,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,848 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 [2022-11-19 07:02:41,903 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 [2022-11-19 07:02:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:41,977 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 [2022-11-19 07:02:42,012 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 [2022-11-19 07:02:42,038 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 [2022-11-19 07:02:42,103 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:02:42,103 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 [2022-11-19 07:02:42,183 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:02:42,183 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 [2022-11-19 07:02:42,996 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 [2022-11-19 07:02:43,015 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 [2022-11-19 07:02:43,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,060 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 [2022-11-19 07:02:43,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,101 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 [2022-11-19 07:02:43,160 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 [2022-11-19 07:02:43,171 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 [2022-11-19 07:02:43,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,229 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 [2022-11-19 07:02:43,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,279 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 [2022-11-19 07:02:43,361 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 [2022-11-19 07:02:43,387 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 [2022-11-19 07:02:43,468 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 07:02:43,469 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 [2022-11-19 07:02:43,547 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:02:43,548 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 [2022-11-19 07:02:43,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:02:43,599 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 [2022-11-19 07:02:43,695 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-19 07:02:43,795 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:02:49,892 WARN L233 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:02:57,180 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:03:08,425 WARN L233 SmtUtils]: Spent 7.13s 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) [2022-11-19 07:03:21,418 WARN L233 SmtUtils]: Spent 6.84s 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) [2022-11-19 07:03:34,240 WARN L233 SmtUtils]: Spent 6.65s 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) [2022-11-19 07:03:34,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1813279186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:03:34,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 07:03:35,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-19 07:03:35,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719829295] [2022-11-19 07:03:35,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:03:35,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 07:03:35,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:03:35,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 07:03:35,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 07:03:35,002 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) [2022-11-19 07:03:36,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:03:39,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:03:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:03:41,096 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-19 07:03:41,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 07:03:41,103 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 [2022-11-19 07:03:41,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:03:41,104 INFO L225 Difference]: With dead ends: 175 [2022-11-19 07:03:41,104 INFO L226 Difference]: Without dead ends: 96 [2022-11-19 07:03:41,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 51.2s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-19 07:03:41,105 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 9 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 79 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:03:41,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 448 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 79 Unchecked, 6.1s Time] [2022-11-19 07:03:41,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-19 07:03:41,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-19 07:03:41,131 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) [2022-11-19 07:03:41,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-19 07:03:41,132 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-19 07:03:41,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:03:41,133 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-19 07:03:41,133 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) [2022-11-19 07:03:41,133 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-19 07:03:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 07:03:41,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:03:41,134 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] [2022-11-19 07:03:41,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:03:41,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:03:41,342 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:03:41,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:03:41,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1505724306, now seen corresponding path program 1 times [2022-11-19 07:03:41,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:03:41,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966029499] [2022-11-19 07:03:41,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:03:41,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:03:41,407 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:03:41,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1184874914] [2022-11-19 07:03:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:03:41,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:03:41,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:03:41,409 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:03:41,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3e1af1-4cbe-4231-9f11-b554e069ee14/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:03:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:03:41,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:03:41,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:03:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:03:41,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:03:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:03:42,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:03:42,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966029499] [2022-11-19 07:03:42,080 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:03:42,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184874914] [2022-11-19 07:03:42,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184874914] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:03:42,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1358186115] [2022-11-19 07:03:42,083 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-19 07:03:42,083 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:03:42,084 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:03:42,084 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:03:42,084 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:03:42,154 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:03:42,155 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 [2022-11-19 07:03:42,166 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 [2022-11-19 07:03:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:03:42,178 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 [2022-11-19 07:03:42,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,195 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 [2022-11-19 07:03:42,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,208 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 [2022-11-19 07:03:42,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,477 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 [2022-11-19 07:03:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,518 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 [2022-11-19 07:03:42,549 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 [2022-11-19 07:03:42,594 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 [2022-11-19 07:03:42,624 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 [2022-11-19 07:03:42,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,681 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 [2022-11-19 07:03:42,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,733 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 [2022-11-19 07:03:42,759 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 [2022-11-19 07:03:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:42,817 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 [2022-11-19 07:03:42,846 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 [2022-11-19 07:03:42,872 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 [2022-11-19 07:03:42,954 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 07:03:42,954 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 [2022-11-19 07:03:42,972 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 [2022-11-19 07:03:43,120 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 [2022-11-19 07:03:43,125 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 [2022-11-19 07:03:43,130 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 [2022-11-19 07:03:43,178 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:03:43,178 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 [2022-11-19 07:03:43,213 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-19 07:03:43,213 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 [2022-11-19 07:03:43,246 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:03:43,246 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 [2022-11-19 07:03:43,315 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 [2022-11-19 07:03:43,320 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 [2022-11-19 07:03:43,327 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 14 treesize of output 10 [2022-11-19 07:03:43,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,411 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 [2022-11-19 07:03:43,440 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 [2022-11-19 07:03:43,457 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 [2022-11-19 07:03:43,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:43,625 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 [2022-11-19 07:03:43,642 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 [2022-11-19 07:03:43,658 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 [2022-11-19 07:03:44,800 INFO L217 Elim1Store]: Index analysis took 857 ms [2022-11-19 07:03:47,830 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-19 07:03:47,831 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 [2022-11-19 07:03:48,486 INFO L217 Elim1Store]: Index analysis took 505 ms [2022-11-19 07:03:51,217 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-19 07:03:51,218 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 [2022-11-19 07:04:01,563 WARN L233 SmtUtils]: Spent 10.29s 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) [2022-11-19 07:04:01,563 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 07:04:01,564 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 [2022-11-19 07:04:18,633 WARN L233 SmtUtils]: Spent 16.92s 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) [2022-11-19 07:04:18,633 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 07:04:18,634 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 [2022-11-19 07:04:19,524 INFO L217 Elim1Store]: Index analysis took 679 ms [2022-11-19 07:04:43,894 WARN L233 SmtUtils]: Spent 23.92s 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) [2022-11-19 07:04:43,895 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-19 07:04:43,896 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 [2022-11-19 07:04:45,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:04:45,587 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 [2022-11-19 07:04:45,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:45,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:04:45,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:04:45,721 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 [2022-11-19 07:08:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:12,117 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 [2022-11-19 07:08:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:08:12,306 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 [2022-11-19 07:11:59,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:11:59,310 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 [2022-11-19 07:11:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:11:59,512 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