./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.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_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/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_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/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_298cc5d2-a20a-47d9-a1f3-741aa92f948b/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 834766c90c3d5af368509ae691087999af545dba19d7eed6a5d75f823cbb2437 --- 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 08:21:05,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:21:05,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:21:05,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:21:05,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:21:05,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:21:05,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:21:05,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:21:05,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:21:05,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:21:05,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:21:05,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:21:05,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:21:05,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:21:05,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:21:05,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:21:05,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:21:05,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:21:05,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:21:05,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:21:05,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:21:05,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:21:05,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:21:05,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:21:05,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:21:05,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:21:05,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:21:05,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:21:05,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:21:05,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:21:05,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:21:05,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:21:05,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:21:05,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:21:05,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:21:05,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:21:05,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:21:05,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:21:05,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:21:05,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:21:05,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:21:05,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:21:05,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:21:05,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:21:05,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:21:05,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:21:05,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:21:05,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:21:05,381 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:21:05,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:21:05,382 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:21:05,382 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:21:05,382 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:21:05,383 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:21:05,383 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:21:05,383 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:21:05,383 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:21:05,384 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:21:05,384 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:21:05,384 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:21:05,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:21:05,385 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:21:05,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:21:05,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:21:05,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:21:05,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:21:05,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:21:05,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:21:05,387 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:21:05,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:21:05,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:21:05,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:21:05,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:21:05,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:21:05,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:05,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:21:05,389 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:21:05,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:21:05,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:21:05,390 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:21:05,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:21:05,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:21:05,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:21:05,391 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_298cc5d2-a20a-47d9-a1f3-741aa92f948b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 834766c90c3d5af368509ae691087999af545dba19d7eed6a5d75f823cbb2437 [2022-11-19 08:21:05,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:21:05,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:21:05,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:21:05,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:21:05,678 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:21:05,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i [2022-11-19 08:21:05,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/data/a39863d38/3d3ff89dad0c4615ae5c3eb99818bbbd/FLAG42cb73552 [2022-11-19 08:21:06,332 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:21:06,333 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i [2022-11-19 08:21:06,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/data/a39863d38/3d3ff89dad0c4615ae5c3eb99818bbbd/FLAG42cb73552 [2022-11-19 08:21:06,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/data/a39863d38/3d3ff89dad0c4615ae5c3eb99818bbbd [2022-11-19 08:21:06,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:21:06,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:21:06,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:06,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:21:06,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:21:06,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:06" (1/1) ... [2022-11-19 08:21:06,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6e0e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:06, skipping insertion in model container [2022-11-19 08:21:06,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:06" (1/1) ... [2022-11-19 08:21:06,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:21:06,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:21:07,388 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_298cc5d2-a20a-47d9-a1f3-741aa92f948b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i[33021,33034] [2022-11-19 08:21:07,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:07,559 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:21:07,584 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_298cc5d2-a20a-47d9-a1f3-741aa92f948b/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test4-2.i[33021,33034] [2022-11-19 08:21:07,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:07,693 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:21:07,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07 WrapperNode [2022-11-19 08:21:07,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:07,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:07,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:21:07,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:21:07,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (1/1) ... [2022-11-19 08:21:07,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (1/1) ... [2022-11-19 08:21:07,815 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-11-19 08:21:07,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:07,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:21:07,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:21:07,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:21:07,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (1/1) ... [2022-11-19 08:21:07,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (1/1) ... [2022-11-19 08:21:07,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (1/1) ... [2022-11-19 08:21:07,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (1/1) ... [2022-11-19 08:21:07,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (1/1) ... [2022-11-19 08:21:07,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (1/1) ... [2022-11-19 08:21:07,944 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (1/1) ... [2022-11-19 08:21:07,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (1/1) ... [2022-11-19 08:21:07,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:21:07,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:21:07,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:21:07,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:21:07,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (1/1) ... [2022-11-19 08:21:07,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:07,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:21:07,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:21:08,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:21:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:21:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:21:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:21:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:21:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:21:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:21:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:21:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:21:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:21:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:21:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:21:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:21:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:21:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:21:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:21:08,348 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:21:08,351 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:21:10,026 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:21:10,547 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:21:10,547 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-11-19 08:21:10,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:10 BoogieIcfgContainer [2022-11-19 08:21:10,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:21:10,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:21:10,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:21:10,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:21:10,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:21:06" (1/3) ... [2022-11-19 08:21:10,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a201dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:10, skipping insertion in model container [2022-11-19 08:21:10,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:07" (2/3) ... [2022-11-19 08:21:10,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a201dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:21:10, skipping insertion in model container [2022-11-19 08:21:10,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:21:10" (3/3) ... [2022-11-19 08:21:10,559 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test4-2.i [2022-11-19 08:21:10,599 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:21:10,600 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:21:10,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:21:10,662 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;@619189d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:21:10,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:21:10,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 08:21:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:21:10,675 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:10,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:10,677 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:10,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:10,682 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-11-19 08:21:10,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:10,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805078910] [2022-11-19 08:21:10,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:10,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:10,882 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 08:21:10,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:10,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805078910] [2022-11-19 08:21:10,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805078910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:10,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:21:10,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:21:10,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542023481] [2022-11-19 08:21:10,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:10,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:21:10,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:10,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:21:10,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:21:10,933 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:21:12,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:12,352 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-11-19 08:21:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:21:12,358 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 08:21:12,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:12,369 INFO L225 Difference]: With dead ends: 375 [2022-11-19 08:21:12,369 INFO L226 Difference]: Without dead ends: 220 [2022-11-19 08:21:12,373 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 08:21:12,376 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:12,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-19 08:21:12,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-19 08:21:12,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-19 08:21:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 08:21:12,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-19 08:21:12,447 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-19 08:21:12,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:12,448 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-19 08:21:12,448 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 08:21:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-19 08:21:12,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 08:21:12,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:12,452 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:12,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:21:12,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:12,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:12,454 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-11-19 08:21:12,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:12,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242825229] [2022-11-19 08:21:12,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:12,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:12,787 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:21:12,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [33726081] [2022-11-19 08:21:12,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:12,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:21:12,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:21:12,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:21:12,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:21:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:14,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:21:14,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:21:14,355 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 08:21:14,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:21:14,533 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 08:21:14,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:14,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242825229] [2022-11-19 08:21:14,547 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:21:14,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33726081] [2022-11-19 08:21:14,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33726081] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:21:14,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [645412275] [2022-11-19 08:21:14,573 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-19 08:21:14,586 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:21:14,590 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:21:14,596 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:21:14,597 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:21:14,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:14,825 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 08:21:14,873 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:21:14,873 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 08:21:14,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:14,951 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 08:21:14,961 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 08:21:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:14,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:21:14,981 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 08:21:15,425 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 08:21:15,448 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 08:21:15,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,518 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 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-19 08:21:15,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,571 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 08:21:15,648 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:21:15,649 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 08:21:15,693 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:21:15,693 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 08:21:15,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,714 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 08:21:15,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:21:15,729 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 08:21:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:15,748 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 08:21:16,167 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 08:21:16,192 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 08:21:16,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,245 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 08:21:16,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:16,293 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 08:21:16,337 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:21:24,183 WARN L233 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:21:31,401 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:21:31,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [645412275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:21:31,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 08:21:31,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-19 08:21:31,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536317031] [2022-11-19 08:21:31,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:21:31,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:21:31,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:21:31,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:21:31,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-19 08:21:31,417 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:21:33,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:21:33,534 INFO L93 Difference]: Finished difference Result 262 states and 336 transitions. [2022-11-19 08:21:33,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:21:33,534 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-19 08:21:33,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:21:33,536 INFO L225 Difference]: With dead ends: 262 [2022-11-19 08:21:33,536 INFO L226 Difference]: Without dead ends: 137 [2022-11-19 08:21:33,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 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 08:21:33,538 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 14 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:21:33,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 267 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 12 Unchecked, 2.1s Time] [2022-11-19 08:21:33,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-19 08:21:33,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-19 08:21:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 08:21:33,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-19 08:21:33,561 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-19 08:21:33,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:21:33,561 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-19 08:21:33,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:21:33,562 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-19 08:21:33,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 08:21:33,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:21:33,564 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:21:33,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 08:21:33,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:21:33,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:21:33,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:21:33,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-11-19 08:21:33,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:21:33,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247622091] [2022-11-19 08:21:33,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:33,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:21:33,955 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:21:33,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [231616969] [2022-11-19 08:21:33,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:21:33,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:21:33,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:21:33,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:21:33,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:21:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:21:35,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:21:35,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:21:35,248 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 08:21:35,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:21:35,369 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 08:21:35,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:21:35,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247622091] [2022-11-19 08:21:35,370 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:21:35,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231616969] [2022-11-19 08:21:35,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231616969] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:21:35,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1497416674] [2022-11-19 08:21:35,374 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-19 08:21:35,375 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:21:35,375 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:21:35,375 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:21:35,376 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:21:35,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,468 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 08:21:35,501 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 08:21:35,501 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 08:21:35,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:21:35,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,534 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:21:35,534 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 08:21:35,579 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:21:35,579 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 08:21:35,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,601 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 08:21:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,963 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 08:21:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,012 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 08:21:36,049 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 08:21:36,066 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 08:21:36,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,146 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 08:21:36,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,200 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 08:21:36,233 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 08:21:36,247 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 08:21:36,316 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 08:21:36,390 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-19 08:21:36,391 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 08:21:36,490 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:21:36,491 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 08:21:36,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,554 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 08:21:36,605 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 08:21:36,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:21:36,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,934 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 08:21:36,935 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 08:21:36,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,954 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 08:21:36,995 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:21:36,995 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 08:21:37,010 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 08:21:37,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,028 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 08:21:37,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,471 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 08:21:37,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,519 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 08:21:37,555 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 08:21:37,573 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 08:21:37,616 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 08:21:37,628 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 08:21:37,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,687 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 08:21:37,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,740 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 08:21:37,814 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 08:21:37,882 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:21:37,882 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 08:21:37,899 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 08:21:37,928 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 08:21:37,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,978 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 08:21:38,395 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-19 08:21:38,499 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:21:46,443 WARN L233 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:21:54,339 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:22:04,175 WARN L233 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:22:17,788 WARN L233 SmtUtils]: Spent 7.46s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:22:30,917 WARN L233 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:22:32,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1497416674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:32,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 08:22:32,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-19 08:22:32,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525952105] [2022-11-19 08:22:32,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:32,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 08:22:32,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:32,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 08:22:32,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-19 08:22:32,877 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:22:35,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:22:38,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:22:40,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:22:41,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:41,531 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-19 08:22:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:22:41,531 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-19 08:22:41,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:41,533 INFO L225 Difference]: With dead ends: 267 [2022-11-19 08:22:41,533 INFO L226 Difference]: Without dead ends: 142 [2022-11-19 08:22:41,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 54.4s TimeCoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-19 08:22:41,535 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 289 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:41,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 832 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 289 Unchecked, 8.6s Time] [2022-11-19 08:22:41,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-19 08:22:41,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-19 08:22:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-19 08:22:41,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-19 08:22:41,580 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-19 08:22:41,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:41,581 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-19 08:22:41,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 08:22:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-19 08:22:41,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 08:22:41,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:41,583 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:41,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-19 08:22:41,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:22:41,791 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:22:41,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:41,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-11-19 08:22:41,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:41,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455060637] [2022-11-19 08:22:41,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:41,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:41,955 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:22:41,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [663191228] [2022-11-19 08:22:41,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:41,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:22:41,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:22:41,957 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:22:41,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298cc5d2-a20a-47d9-a1f3-741aa92f948b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:22:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:43,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:22:43,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:22:43,232 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 08:22:43,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:22:43,353 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 08:22:43,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:43,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455060637] [2022-11-19 08:22:43,354 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:22:43,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663191228] [2022-11-19 08:22:43,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663191228] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:22:43,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [40582276] [2022-11-19 08:22:43,357 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-19 08:22:43,358 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:22:43,358 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:22:43,358 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:22:43,359 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:22:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,427 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 08:22:43,466 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 08:22:43,467 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 08:22:43,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,488 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 08:22:43,496 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 08:22:43,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:22:43,508 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 08:22:43,788 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 08:22:43,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,831 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 08:22:43,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,873 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 08:22:43,906 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 08:22:43,936 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 08:22:43,946 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 08:22:43,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,009 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 08:22:44,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,061 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 08:22:44,120 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 08:22:44,195 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 08:22:44,196 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 08:22:44,210 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 08:22:44,271 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 08:22:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,325 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 08:22:44,495 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 08:22:44,499 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 08:22:44,505 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 08:22:44,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:22:44,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 08:22:44,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 08:22:44,566 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 08:22:44,571 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 08:22:44,576 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 08:22:44,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,657 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 08:22:44,680 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 08:22:44,700 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 08:22:44,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,884 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 08:22:44,903 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 08:22:44,920 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 08:22:45,872 INFO L217 Elim1Store]: Index analysis took 640 ms [2022-11-19 08:22:50,367 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-19 08:22:50,368 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 10752670 treesize of output 10752673 [2022-11-19 08:22:51,101 INFO L217 Elim1Store]: Index analysis took 545 ms [2022-11-19 08:22:55,180 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-19 08:22:55,181 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 10752675 treesize of output 10752677 [2022-11-19 08:23:14,686 WARN L233 SmtUtils]: Spent 19.44s 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 08:23:14,687 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 08:23:14,687 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 1481 [2022-11-19 08:23:14,913 INFO L217 Elim1Store]: Index analysis took 136 ms [2022-11-19 08:23:36,533 WARN L233 SmtUtils]: Spent 21.62s 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 08:23:36,533 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 08:23:36,534 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 1824 [2022-11-19 08:23:37,332 INFO L217 Elim1Store]: Index analysis took 612 ms [2022-11-19 08:23:55,552 WARN L233 SmtUtils]: Spent 17.77s 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 08:23:55,553 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-19 08:23:55,553 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 08:23:57,080 INFO L217 Elim1Store]: Index analysis took 124 ms [2022-11-19 08:23:57,619 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 08:23:57,620 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-19 08:23:57,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 08:23:58,273 INFO L217 Elim1Store]: Index analysis took 359 ms [2022-11-19 08:23:59,531 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:23:59,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-19 08:24:06,536 INFO L217 Elim1Store]: Index analysis took 807 ms