./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba --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 b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 --- 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-b5237d8 [2022-11-22 01:39:49,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:39:49,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:39:49,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:39:49,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:39:49,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:39:49,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:39:49,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:39:49,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:39:49,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:39:49,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:39:49,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:39:49,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:39:49,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:39:49,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:39:49,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:39:49,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:39:49,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:39:49,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:39:49,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:39:49,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:39:49,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:39:49,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:39:49,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:39:49,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:39:49,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:39:49,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:39:49,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:39:49,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:39:49,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:39:49,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:39:49,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:39:49,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:39:49,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:39:49,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:39:49,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:39:49,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:39:49,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:39:49,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:39:49,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:39:49,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:39:49,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 01:39:49,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:39:49,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:39:49,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:39:49,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:39:49,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:39:49,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:39:49,251 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:39:49,251 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:39:49,251 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:39:49,251 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:39:49,251 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:39:49,252 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:39:49,252 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:39:49,252 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:39:49,252 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:39:49,252 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:39:49,253 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:39:49,253 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:39:49,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:39:49,254 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:39:49,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:39:49,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:39:49,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:39:49,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:39:49,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:39:49,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:39:49,255 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:39:49,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:39:49,255 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:39:49,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:39:49,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:39:49,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:39:49,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:39:49,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:39:49,256 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:39:49,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:39:49,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:39:49,257 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:39:49,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:39:49,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:39:49,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:39:49,258 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_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 [2022-11-22 01:39:49,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:39:49,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:39:49,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:39:49,660 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:39:49,661 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:39:49,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2022-11-22 01:39:52,752 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:39:53,025 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:39:53,025 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2022-11-22 01:39:53,039 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/data/49515ce27/320c875875eb47429417413957898b03/FLAG6dca75101 [2022-11-22 01:39:53,056 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/data/49515ce27/320c875875eb47429417413957898b03 [2022-11-22 01:39:53,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:39:53,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:39:53,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:53,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:39:53,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:39:53,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0b30a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53, skipping insertion in model container [2022-11-22 01:39:53,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:39:53,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:39:53,522 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_84f9caa3-61c7-435d-9698-78080ecff634/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i[24872,24885] [2022-11-22 01:39:53,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:53,548 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:39:53,588 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_84f9caa3-61c7-435d-9698-78080ecff634/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i[24872,24885] [2022-11-22 01:39:53,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:53,615 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:39:53,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53 WrapperNode [2022-11-22 01:39:53,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:53,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:53,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:39:53,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:39:53,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,663 INFO L138 Inliner]: procedures = 127, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 172 [2022-11-22 01:39:53,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:53,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:39:53,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:39:53,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:39:53,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:39:53,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:39:53,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:39:53,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:39:53,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (1/1) ... [2022-11-22 01:39:53,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:39:53,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:53,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:39:53,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:39:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:39:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:39:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-11-22 01:39:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-11-22 01:39:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:39:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:39:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:39:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:39:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:39:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:39:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:39:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:39:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:39:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:39:53,965 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:39:53,972 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:39:54,320 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:39:54,455 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:39:54,456 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-22 01:39:54,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:54 BoogieIcfgContainer [2022-11-22 01:39:54,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:39:54,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:39:54,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:39:54,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:39:54,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:39:53" (1/3) ... [2022-11-22 01:39:54,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@385ff782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:39:54, skipping insertion in model container [2022-11-22 01:39:54,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:53" (2/3) ... [2022-11-22 01:39:54,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@385ff782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:39:54, skipping insertion in model container [2022-11-22 01:39:54,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:54" (3/3) ... [2022-11-22 01:39:54,475 INFO L112 eAbstractionObserver]: Analyzing ICFG sll2c_insert_unequal.i [2022-11-22 01:39:54,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:39:54,496 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:39:54,559 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:39:54,566 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;@df2caa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:39:54,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:39:54,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 01:39:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 01:39:54,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:54,584 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:39:54,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:39:54,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:54,594 INFO L85 PathProgramCache]: Analyzing trace with hash -249418040, now seen corresponding path program 1 times [2022-11-22 01:39:54,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:54,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181570338] [2022-11-22 01:39:54,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:54,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 01:39:55,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:55,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181570338] [2022-11-22 01:39:55,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181570338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:39:55,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:39:55,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:39:55,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951109623] [2022-11-22 01:39:55,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:39:55,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:39:55,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:55,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:39:55,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:55,232 INFO L87 Difference]: Start difference. First operand has 29 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 01:39:55,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:55,388 INFO L93 Difference]: Finished difference Result 55 states and 82 transitions. [2022-11-22 01:39:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:39:55,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2022-11-22 01:39:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:55,400 INFO L225 Difference]: With dead ends: 55 [2022-11-22 01:39:55,400 INFO L226 Difference]: Without dead ends: 26 [2022-11-22 01:39:55,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:39:55,409 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 1 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:55,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 59 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:39:55,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-22 01:39:55,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2022-11-22 01:39:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 01:39:55,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2022-11-22 01:39:55,451 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 32 transitions. Word has length 16 [2022-11-22 01:39:55,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:55,451 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 32 transitions. [2022-11-22 01:39:55,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 01:39:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-11-22 01:39:55,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 01:39:55,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:55,454 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:39:55,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:39:55,454 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:39:55,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:55,455 INFO L85 PathProgramCache]: Analyzing trace with hash -436693828, now seen corresponding path program 1 times [2022-11-22 01:39:55,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:55,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842473790] [2022-11-22 01:39:55,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:55,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-22 01:39:55,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:55,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842473790] [2022-11-22 01:39:55,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842473790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:39:55,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:39:55,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:39:55,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068489247] [2022-11-22 01:39:55,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:39:55,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:39:55,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:39:55,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:39:55,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:39:55,729 INFO L87 Difference]: Start difference. First operand 24 states and 32 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 01:39:55,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:39:55,840 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2022-11-22 01:39:55,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:39:55,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-11-22 01:39:55,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:39:55,842 INFO L225 Difference]: With dead ends: 36 [2022-11-22 01:39:55,842 INFO L226 Difference]: Without dead ends: 25 [2022-11-22 01:39:55,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:39:55,844 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 20 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:39:55,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 48 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:39:55,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-22 01:39:55,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-22 01:39:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-22 01:39:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2022-11-22 01:39:55,851 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 22 [2022-11-22 01:39:55,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:39:55,851 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-11-22 01:39:55,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 01:39:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2022-11-22 01:39:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 01:39:55,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:55,852 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:39:55,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:39:55,853 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:39:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:55,853 INFO L85 PathProgramCache]: Analyzing trace with hash -764953388, now seen corresponding path program 1 times [2022-11-22 01:39:55,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:55,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844252548] [2022-11-22 01:39:55,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:55,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:39:59,417 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:39:59,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:39:59,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844252548] [2022-11-22 01:39:59,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844252548] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:39:59,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858205016] [2022-11-22 01:39:59,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:59,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:39:59,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:59,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:39:59,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84f9caa3-61c7-435d-9698-78080ecff634/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:40:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:40:00,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 132 conjunts are in the unsatisfiable core [2022-11-22 01:40:00,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:40:00,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-22 01:40:00,485 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 5 treesize of output 3 [2022-11-22 01:40:00,624 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 01:40:00,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-22 01:40:00,816 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:40:00,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 01:40:00,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 01:40:01,047 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-11-22 01:40:01,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-11-22 01:40:01,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-22 01:40:01,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-22 01:40:01,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 21 [2022-11-22 01:40:01,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:01,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 01:40:01,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:01,786 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 43 treesize of output 39 [2022-11-22 01:40:01,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:01,803 INFO L321 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2022-11-22 01:40:01,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 18 [2022-11-22 01:40:01,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-22 01:40:01,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:01,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 01:40:02,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:02,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 105 treesize of output 65 [2022-11-22 01:40:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:02,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:02,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 22 treesize of output 10 [2022-11-22 01:40:02,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:02,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-22 01:40:02,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-22 01:40:02,535 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 18 treesize of output 16 [2022-11-22 01:40:02,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-11-22 01:40:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:40:02,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:40:04,140 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| 0)) (.cse5 (select |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base|))) (and (or (not .cse0) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|)) (.cse4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse1 (= .cse4 0)) (.cse2 (= .cse3 0))) (and (or (not .cse1) (forall ((v_ArrVal_460 (Array Int Int)) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_464 (Array Int Int)) (v_ArrVal_475 (Array Int Int)) (v_ArrVal_478 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_460) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_478) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_464) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_471) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_475) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (not .cse2)) (or (and .cse1 .cse2) (forall ((v_ArrVal_458 (Array Int Int)) (v_ArrVal_470 (Array Int Int)) (v_ArrVal_472 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_463 (Array Int Int)) (v_ArrVal_462 (Array Int Int)) (v_ArrVal_454 (Array Int Int)) (|ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| Int) (v_ArrVal_464 (Array Int Int)) (v_ArrVal_475 (Array Int Int)) (v_ArrVal_477 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_462) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_458) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_470) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| .cse3)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_477) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_472) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_464) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| .cse4)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_454) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_463) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_475) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))))))) (not (<= 0 |c_ULTIMATE.start_sll_circular_insert_~last~1#1.offset|))) (or .cse0 (forall ((v_ArrVal_457 (Array Int Int)) (v_ArrVal_476 Int) (|v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| Int) (v_ArrVal_451 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_456 (Array Int Int)) (v_ArrVal_466 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.offset|)) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| (store .cse5 |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| v_ArrVal_476)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_451) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| v_ArrVal_465) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_456) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| v_ArrVal_466) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_457) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))))) (forall ((v_ArrVal_457 (Array Int Int)) (v_ArrVal_476 Int) (|v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| Int) (v_ArrVal_451 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_456 (Array Int Int)) (v_ArrVal_466 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.offset|)) (= |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| 0) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| (store .cse5 |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| v_ArrVal_476)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_451) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| v_ArrVal_465) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_456) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| v_ArrVal_466) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_457) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))))) is different from false [2022-11-22 01:40:04,246 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse1 (select |c_#memory_int| .cse0)) (.cse2 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|)) (.cse3 (= .cse0 0))) (and (forall ((v_ArrVal_457 (Array Int Int)) (v_ArrVal_476 Int) (|v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| Int) (v_ArrVal_451 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_456 (Array Int Int)) (v_ArrVal_466 (Array Int Int))) (or (= |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| 0) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse0 (store .cse1 |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| v_ArrVal_476)) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_451) (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_465) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_456) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_466) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_457) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (<= |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| .cse2)))) (or (forall ((v_ArrVal_457 (Array Int Int)) (v_ArrVal_476 Int) (|v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| Int) (v_ArrVal_451 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_456 (Array Int Int)) (v_ArrVal_466 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse0 (store .cse1 |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| v_ArrVal_476)) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_451) (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_465) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_456) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_466) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_457) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (<= |v_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset_18| .cse2)))) .cse3) (or (not (<= 0 .cse2)) (let ((.cse4 (= .cse2 0))) (and (or .cse4 (forall ((v_ArrVal_458 (Array Int Int)) (v_ArrVal_470 (Array Int Int)) (v_ArrVal_472 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_463 (Array Int Int)) (v_ArrVal_462 (Array Int Int)) (v_ArrVal_454 (Array Int Int)) (|ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| Int) (v_ArrVal_464 (Array Int Int)) (v_ArrVal_475 (Array Int Int)) (v_ArrVal_477 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_462) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_458) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_470) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| .cse0)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_477) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_472) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_464) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base|) |ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| .cse2)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_454) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) v_ArrVal_463) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_475) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))) (or (forall ((v_ArrVal_460 (Array Int Int)) (v_ArrVal_471 (Array Int Int)) (v_ArrVal_452 (Array Int Int)) (v_ArrVal_464 (Array Int Int)) (v_ArrVal_475 (Array Int Int)) (v_ArrVal_478 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_460) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_452) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_478) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_464) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_ArrVal_471) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_ArrVal_475) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (not .cse4)))) (not .cse3))))) is different from false [2022-11-22 01:40:05,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858205016] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:40:05,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2111111124] [2022-11-22 01:40:05,509 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-22 01:40:05,510 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:40:05,513 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:40:05,519 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:40:05,519 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:40:05,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:05,579 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 01:40:05,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-22 01:40:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:05,591 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 [2022-11-22 01:40:05,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-22 01:40:05,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:40:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:05,638 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 16 treesize of output 17 [2022-11-22 01:40:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:05,645 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 [2022-11-22 01:40:05,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:05,652 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 [2022-11-22 01:40:05,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:05,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-22 01:40:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:05,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-22 01:40:05,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:05,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-22 01:40:05,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:05,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-22 01:40:05,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:05,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:05,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:05,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:05,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:05,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:05,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:05,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:05,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:05,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:06,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:06,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-22 01:40:06,064 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 19 treesize of output 11 [2022-11-22 01:40:06,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2022-11-22 01:40:06,412 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:06,414 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:06,417 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:06,419 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:06,421 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:06,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:06,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:06,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:06,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:06,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:06,728 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:06,731 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:06,732 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:06,734 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:06,736 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:06,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:06,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:06,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:06,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:06,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:06,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:06,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-22 01:40:06,858 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 19 treesize of output 11 [2022-11-22 01:40:06,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2022-11-22 01:40:07,240 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:07,242 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:07,245 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:07,247 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:07,250 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:07,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:07,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:07,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:07,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:07,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:07,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:07,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:07,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:07,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:07,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:07,611 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:07,613 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:07,615 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:07,617 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:07,619 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:40:07,721 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:40:07,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-22 01:40:07,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-22 01:40:07,769 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 01:40:07,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-22 01:40:07,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:07,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:07,881 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:40:07,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2022-11-22 01:40:07,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:07,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:07,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:07,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:07,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:07,955 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:40:07,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2022-11-22 01:40:08,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:08,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-11-22 01:40:08,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 01:40:08,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:08,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:08,090 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:40:08,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2022-11-22 01:40:08,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:08,119 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 01:40:08,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2022-11-22 01:40:08,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:08,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:08,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:11,919 INFO L321 Elim1Store]: treesize reduction 408, result has 18.9 percent of original size [2022-11-22 01:40:11,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 843 treesize of output 899 [2022-11-22 01:40:11,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:11,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:12,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:12,821 INFO L321 Elim1Store]: treesize reduction 301, result has 12.5 percent of original size [2022-11-22 01:40:12,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 741 treesize of output 761 [2022-11-22 01:40:12,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:13,000 INFO L321 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2022-11-22 01:40:13,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 623 treesize of output 675 [2022-11-22 01:40:13,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-11-22 01:40:13,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-11-22 01:40:13,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-11-22 01:40:14,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-11-22 01:40:14,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:14,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:14,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:14,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:14,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:14,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:16,720 INFO L321 Elim1Store]: treesize reduction 187, result has 25.8 percent of original size [2022-11-22 01:40:16,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 646 treesize of output 922 [2022-11-22 01:40:16,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:16,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 147 [2022-11-22 01:40:17,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:17,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:17,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 279 [2022-11-22 01:40:17,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:17,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:17,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:17,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:17,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:17,520 INFO L217 Elim1Store]: Index analysis took 271 ms [2022-11-22 01:40:17,562 INFO L321 Elim1Store]: treesize reduction 99, result has 1.0 percent of original size [2022-11-22 01:40:17,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 188 treesize of output 335 [2022-11-22 01:40:17,904 INFO L321 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2022-11-22 01:40:17,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 27 treesize of output 29 [2022-11-22 01:40:18,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:18,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:18,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:18,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:18,861 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-11-22 01:40:19,000 INFO L321 Elim1Store]: treesize reduction 76, result has 24.8 percent of original size [2022-11-22 01:40:19,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 18 case distinctions, treesize of input 424 treesize of output 931 [2022-11-22 01:40:19,053 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 9 treesize of output 7 [2022-11-22 01:40:19,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-22 01:40:19,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2022-11-22 01:40:19,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2022-11-22 01:40:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:19,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:19,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:19,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:40:19,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 83 [2022-11-22 01:40:19,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:40:19,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2022-11-22 01:40:19,765 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 5 treesize of output 3