./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur --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 6fff6eb11b5ece9f2655331435003a1af77ee5ac869f244677acc531eb435a19 --- 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-38b53e6 [2022-11-26 00:06:58,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:06:58,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:06:58,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:06:58,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:06:58,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:06:58,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:06:58,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:06:58,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:06:58,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:06:58,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:06:58,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:06:58,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:06:58,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:06:58,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:06:58,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:06:58,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:06:58,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:06:58,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:06:58,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:06:58,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:06:58,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:06:58,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:06:58,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:06:58,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:06:58,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:06:58,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:06:58,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:06:58,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:06:58,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:06:58,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:06:58,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:06:58,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:06:58,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:06:58,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:06:58,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:06:58,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:06:58,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:06:58,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:06:58,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:06:58,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:06:58,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:06:58,202 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:06:58,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:06:58,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:06:58,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:06:58,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:06:58,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:06:58,208 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:06:58,209 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:06:58,209 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:06:58,209 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:06:58,210 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:06:58,211 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:06:58,211 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:06:58,211 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:06:58,212 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:06:58,212 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:06:58,212 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:06:58,213 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:06:58,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:06:58,214 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:06:58,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:06:58,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:06:58,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:06:58,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:06:58,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:06:58,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:06:58,216 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:06:58,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:06:58,217 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:06:58,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:06:58,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:06:58,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:06:58,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:06:58,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:06:58,219 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:06:58,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:06:58,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:06:58,220 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:06:58,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:06:58,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:06:58,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:06:58,221 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_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fff6eb11b5ece9f2655331435003a1af77ee5ac869f244677acc531eb435a19 [2022-11-26 00:06:58,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:06:58,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:06:58,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:06:58,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:06:58,541 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:06:58,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i [2022-11-26 00:07:01,763 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:07:02,189 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:07:02,191 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i [2022-11-26 00:07:02,209 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/data/1c36d9102/608386c494c84b68917b3739a569b9ef/FLAGcf49dc370 [2022-11-26 00:07:02,225 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/data/1c36d9102/608386c494c84b68917b3739a569b9ef [2022-11-26 00:07:02,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:07:02,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:07:02,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:07:02,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:07:02,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:07:02,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:07:02" (1/1) ... [2022-11-26 00:07:02,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458b94f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:02, skipping insertion in model container [2022-11-26 00:07:02,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:07:02" (1/1) ... [2022-11-26 00:07:02,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:07:02,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:07:02,710 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i[33021,33034] [2022-11-26 00:07:02,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:07:02,912 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:07:02,967 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i[33021,33034] [2022-11-26 00:07:03,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:07:03,143 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:07:03,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03 WrapperNode [2022-11-26 00:07:03,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:07:03,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:07:03,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:07:03,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:07:03,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (1/1) ... [2022-11-26 00:07:03,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (1/1) ... [2022-11-26 00:07:03,306 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-11-26 00:07:03,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:07:03,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:07:03,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:07:03,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:07:03,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (1/1) ... [2022-11-26 00:07:03,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (1/1) ... [2022-11-26 00:07:03,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (1/1) ... [2022-11-26 00:07:03,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (1/1) ... [2022-11-26 00:07:03,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (1/1) ... [2022-11-26 00:07:03,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (1/1) ... [2022-11-26 00:07:03,454 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (1/1) ... [2022-11-26 00:07:03,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (1/1) ... [2022-11-26 00:07:03,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:07:03,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:07:03,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:07:03,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:07:03,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (1/1) ... [2022-11-26 00:07:03,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:07:03,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:07:03,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:07:03,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:07:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:07:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:07:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:07:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:07:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:07:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:07:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:07:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:07:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:07:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:07:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:07:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:07:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:07:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:07:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:07:03,863 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:07:03,865 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:07:05,626 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:07:06,182 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:07:06,183 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-11-26 00:07:06,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:07:06 BoogieIcfgContainer [2022-11-26 00:07:06,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:07:06,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:07:06,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:07:06,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:07:06,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:07:02" (1/3) ... [2022-11-26 00:07:06,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c420ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:07:06, skipping insertion in model container [2022-11-26 00:07:06,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:07:03" (2/3) ... [2022-11-26 00:07:06,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c420ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:07:06, skipping insertion in model container [2022-11-26 00:07:06,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:07:06" (3/3) ... [2022-11-26 00:07:06,220 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-2.i [2022-11-26 00:07:06,242 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:07:06,242 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:07:06,305 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:07:06,313 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;@26b92fd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:07:06,313 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:07:06,319 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) [2022-11-26 00:07:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:07:06,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:06,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:07:06,330 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:07:06,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:06,337 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-11-26 00:07:06,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:06,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026984661] [2022-11-26 00:07:06,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:06,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:06,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:06,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026984661] [2022-11-26 00:07:06,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026984661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:06,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:07:06,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:07:06,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770840175] [2022-11-26 00:07:06,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:06,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:07:06,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:06,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:07:06,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:07:06,732 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) [2022-11-26 00:07:08,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:08,404 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-11-26 00:07:08,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:07:08,411 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 [2022-11-26 00:07:08,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:08,422 INFO L225 Difference]: With dead ends: 375 [2022-11-26 00:07:08,423 INFO L226 Difference]: Without dead ends: 220 [2022-11-26 00:07:08,427 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 [2022-11-26 00:07:08,431 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:08,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:07:08,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-26 00:07:08,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-26 00:07:08,523 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) [2022-11-26 00:07:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-26 00:07:08,538 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-26 00:07:08,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:08,541 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-26 00:07:08,541 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) [2022-11-26 00:07:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-26 00:07:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:07:08,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:08,548 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] [2022-11-26 00:07:08,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:07:08,549 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:07:08,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:08,550 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-11-26 00:07:08,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:08,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623429425] [2022-11-26 00:07:08,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:08,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:08,865 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:07:08,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322173607] [2022-11-26 00:07:08,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:08,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:07:08,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:07:08,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:07:08,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:07:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:10,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:07:10,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:07:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:10,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:07:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:07:10,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:10,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623429425] [2022-11-26 00:07:10,688 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:07:10,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322173607] [2022-11-26 00:07:10,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322173607] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:07:10,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1061850058] [2022-11-26 00:07:10,713 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-26 00:07:10,713 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:07:10,718 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:07:10,724 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:07:10,725 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:07:10,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:10,883 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 [2022-11-26 00:07:10,934 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:07:10,934 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 [2022-11-26 00:07:10,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:10,959 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 [2022-11-26 00:07:10,968 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 [2022-11-26 00:07:10,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:10,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:10,990 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 [2022-11-26 00:07:11,453 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 [2022-11-26 00:07:11,477 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 [2022-11-26 00:07:11,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,541 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 [2022-11-26 00:07:11,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-26 00:07:11,686 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:07:11,686 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 [2022-11-26 00:07:11,749 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:07:11,750 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 [2022-11-26 00:07:11,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,773 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 [2022-11-26 00:07:11,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:11,789 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 [2022-11-26 00:07:11,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:11,809 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 [2022-11-26 00:07:12,335 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 [2022-11-26 00:07:12,359 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 [2022-11-26 00:07:12,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,428 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 [2022-11-26 00:07:12,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,493 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 [2022-11-26 00:07:12,541 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:07:20,477 WARN L233 SmtUtils]: Spent 5.07s 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) [2022-11-26 00:07:27,909 WARN L233 SmtUtils]: Spent 5.29s 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) [2022-11-26 00:07:27,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1061850058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:07:27,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:07:27,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-26 00:07:27,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399088494] [2022-11-26 00:07:27,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:07:27,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:07:27,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:07:27,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:07:27,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-26 00:07:27,918 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) [2022-11-26 00:07:31,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:07:33,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:07:35,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:07:38,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:07:40,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:07:40,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:07:40,692 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-26 00:07:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:07:40,693 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 [2022-11-26 00:07:40,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:07:40,694 INFO L225 Difference]: With dead ends: 265 [2022-11-26 00:07:40,695 INFO L226 Difference]: Without dead ends: 140 [2022-11-26 00:07:40,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-26 00:07:40,697 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:07:40,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 265 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 95 Invalid, 4 Unknown, 0 Unchecked, 11.6s Time] [2022-11-26 00:07:40,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-26 00:07:40,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-26 00:07:40,716 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) [2022-11-26 00:07:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-26 00:07:40,718 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-26 00:07:40,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:07:40,718 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-26 00:07:40,718 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) [2022-11-26 00:07:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-26 00:07:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:07:40,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:07:40,721 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] [2022-11-26 00:07:40,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:07:40,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:07:40,935 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:07:40,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:07:40,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-11-26 00:07:40,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:07:40,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58537552] [2022-11-26 00:07:40,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:40,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:07:41,126 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:07:41,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273682204] [2022-11-26 00:07:41,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:07:41,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:07:41,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:07:41,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:07:41,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:07:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:07:42,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:07:42,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:07:42,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:07:42,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:07:42,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:07:42,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:07:42,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58537552] [2022-11-26 00:07:42,606 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:07:42,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273682204] [2022-11-26 00:07:42,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273682204] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:07:42,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [557888340] [2022-11-26 00:07:42,611 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:07:42,611 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:07:42,612 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:07:42,612 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:07:42,613 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:07:42,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:42,728 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 [2022-11-26 00:07:42,764 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:07:42,764 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 [2022-11-26 00:07:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:42,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:42,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:42,797 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:07:42,797 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 [2022-11-26 00:07:42,855 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:07:42,856 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 [2022-11-26 00:07:42,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:42,883 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 [2022-11-26 00:07:43,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,269 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 [2022-11-26 00:07:43,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,318 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 [2022-11-26 00:07:43,357 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 [2022-11-26 00:07:43,376 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 [2022-11-26 00:07:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,459 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 [2022-11-26 00:07:43,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,524 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 [2022-11-26 00:07:43,559 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 [2022-11-26 00:07:43,575 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 [2022-11-26 00:07:43,638 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 [2022-11-26 00:07:43,712 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:07:43,712 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 [2022-11-26 00:07:43,807 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:07:43,807 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 [2022-11-26 00:07:43,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:43,876 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 [2022-11-26 00:07:43,930 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 [2022-11-26 00:07:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:07:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,315 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:07:44,319 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 [2022-11-26 00:07:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,335 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 [2022-11-26 00:07:44,386 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:07:44,387 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 [2022-11-26 00:07:44,400 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 [2022-11-26 00:07:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,419 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 [2022-11-26 00:07:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,859 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 [2022-11-26 00:07:44,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:44,908 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 [2022-11-26 00:07:44,945 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 [2022-11-26 00:07:44,963 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 [2022-11-26 00:07:45,008 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 [2022-11-26 00:07:45,021 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 [2022-11-26 00:07:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,088 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 [2022-11-26 00:07:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,161 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 [2022-11-26 00:07:45,239 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 [2022-11-26 00:07:45,321 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:07:45,322 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 [2022-11-26 00:07:45,339 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 [2022-11-26 00:07:45,367 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 [2022-11-26 00:07:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:45,416 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 [2022-11-26 00:07:45,821 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-26 00:07:45,924 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:07:52,020 WARN L233 SmtUtils]: Spent 5.12s 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) [2022-11-26 00:08:00,058 WARN L233 SmtUtils]: Spent 5.92s 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) [2022-11-26 00:08:11,233 WARN L233 SmtUtils]: Spent 7.04s 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) [2022-11-26 00:08:23,926 WARN L233 SmtUtils]: Spent 6.54s 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) [2022-11-26 00:08:37,024 WARN L233 SmtUtils]: Spent 6.89s 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) [2022-11-26 00:08:37,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [557888340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:08:37,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:08:37,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-26 00:08:37,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377028128] [2022-11-26 00:08:37,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:08:37,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:08:37,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:37,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:08:37,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:08:37,901 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) [2022-11-26 00:08:40,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:08:42,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:08:44,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:08:46,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:08:48,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:08:50,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:08:52,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:08:54,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:08:56,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:09:02,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:09:04,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:09:06,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:09:06,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:09:06,522 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-26 00:09:06,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:09:06,522 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 [2022-11-26 00:09:06,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:09:06,524 INFO L225 Difference]: With dead ends: 267 [2022-11-26 00:09:06,524 INFO L226 Difference]: Without dead ends: 142 [2022-11-26 00:09:06,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 52.0s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-26 00:09:06,527 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:09:06,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 452 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 248 Invalid, 10 Unknown, 0 Unchecked, 28.6s Time] [2022-11-26 00:09:06,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-26 00:09:06,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-26 00:09:06,557 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) [2022-11-26 00:09:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-26 00:09:06,559 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-26 00:09:06,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:09:06,559 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-26 00:09:06,560 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) [2022-11-26 00:09:06,560 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-26 00:09:06,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:09:06,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:09:06,562 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] [2022-11-26 00:09:06,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:09:06,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-26 00:09:06,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:09:06,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:09:06,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-11-26 00:09:06,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:09:06,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754745682] [2022-11-26 00:09:06,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:06,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:09:06,967 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:09:06,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1935724817] [2022-11-26 00:09:06,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:09:06,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:09:06,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:09:06,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:09:06,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c46aee7-316b-4fab-a92b-de97cb03f1dc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:09:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:09:08,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:09:08,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:09:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:09:08,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:09:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:09:08,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:09:08,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754745682] [2022-11-26 00:09:08,499 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:09:08,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935724817] [2022-11-26 00:09:08,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935724817] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:09:08,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [251485849] [2022-11-26 00:09:08,504 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-26 00:09:08,504 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:09:08,505 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:09:08,505 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:09:08,506 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:09:08,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:08,585 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 [2022-11-26 00:09:08,638 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:09:08,639 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 [2022-11-26 00:09:08,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:08,657 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 [2022-11-26 00:09:08,667 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 [2022-11-26 00:09:08,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:08,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:09:08,681 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 [2022-11-26 00:09:09,004 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 [2022-11-26 00:09:09,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,053 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 [2022-11-26 00:09:09,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,102 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 [2022-11-26 00:09:09,137 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 [2022-11-26 00:09:09,174 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 [2022-11-26 00:09:09,185 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 [2022-11-26 00:09:09,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,252 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 [2022-11-26 00:09:09,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,310 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 [2022-11-26 00:09:09,425 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 [2022-11-26 00:09:09,512 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:09:09,512 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 [2022-11-26 00:09:09,529 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 [2022-11-26 00:09:09,557 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 [2022-11-26 00:09:09,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,617 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 [2022-11-26 00:09:09,788 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 [2022-11-26 00:09:09,793 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 [2022-11-26 00:09:09,800 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 [2022-11-26 00:09:09,820 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 [2022-11-26 00:09:09,830 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 [2022-11-26 00:09:09,839 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 [2022-11-26 00:09:09,862 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 [2022-11-26 00:09:09,869 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 [2022-11-26 00:09:09,876 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 [2022-11-26 00:09:09,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:09,968 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 [2022-11-26 00:09:09,993 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 [2022-11-26 00:09:10,016 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 [2022-11-26 00:09:10,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:09:10,245 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 [2022-11-26 00:09:10,266 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 [2022-11-26 00:09:10,286 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 [2022-11-26 00:09:11,835 INFO L217 Elim1Store]: Index analysis took 1286 ms [2022-11-26 00:09:14,820 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-26 00:09:14,823 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 [2022-11-26 00:09:16,317 INFO L217 Elim1Store]: Index analysis took 1356 ms [2022-11-26 00:09:18,882 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-26 00:09:18,883 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 [2022-11-26 00:09:29,366 WARN L233 SmtUtils]: Spent 10.41s 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) [2022-11-26 00:09:29,367 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:09:29,367 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 [2022-11-26 00:09:29,572 INFO L217 Elim1Store]: Index analysis took 122 ms [2022-11-26 00:09:53,339 WARN L233 SmtUtils]: Spent 23.76s 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) [2022-11-26 00:09:53,340 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:09:53,340 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 [2022-11-26 00:09:54,267 INFO L217 Elim1Store]: Index analysis took 720 ms [2022-11-26 00:10:16,782 WARN L233 SmtUtils]: Spent 22.08s 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) [2022-11-26 00:10:16,783 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:10:16,783 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 [2022-11-26 00:10:18,712 INFO L217 Elim1Store]: Index analysis took 440 ms [2022-11-26 00:10:19,326 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-26 00:10:19,327 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 [2022-11-26 00:10:19,429 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 [2022-11-26 00:10:19,833 INFO L217 Elim1Store]: Index analysis took 263 ms [2022-11-26 00:10:21,021 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:10:21,022 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 [2022-11-26 00:10:28,931 INFO L217 Elim1Store]: Index analysis took 805 ms