./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 c67c252daff5c7ee06d488793b0dcb7582651cc84d24dd97a82d484d18291433 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:01:25,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:01:25,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:01:25,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:01:25,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:01:25,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:01:25,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:01:25,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:01:25,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:01:25,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:01:25,410 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:01:25,410 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:01:25,411 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:01:25,413 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:01:25,413 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:01:25,414 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:01:25,414 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:01:25,415 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:01:25,415 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:01:25,416 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:01:25,416 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:01:25,417 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:01:25,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:01:25,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:01:25,419 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:01:25,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:01:25,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:01:25,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:01:25,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:01:25,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:01:25,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:01:25,424 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:01:25,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:01:25,424 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:01:25,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:01:25,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:01:25,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:25,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:01:25,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:01:25,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:01:25,427 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:01:25,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:01:25,427 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:01:25,428 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:01:25,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:01:25,429 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c67c252daff5c7ee06d488793b0dcb7582651cc84d24dd97a82d484d18291433 [2023-11-19 05:01:25,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:01:25,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:01:25,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:01:25,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:01:25,774 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:01:25,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c [2023-11-19 05:01:28,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:01:29,193 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:01:29,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c [2023-11-19 05:01:29,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/data/0dc895191/315c6a2d3ed34a77b449e56f9bf762db/FLAG7f8e51edd [2023-11-19 05:01:29,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/data/0dc895191/315c6a2d3ed34a77b449e56f9bf762db [2023-11-19 05:01:29,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:01:29,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:01:29,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:29,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:01:29,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:01:29,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e785e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29, skipping insertion in model container [2023-11-19 05:01:29,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:01:29,435 WARN L240 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_5e2f6049-606a-405e-b146-00022db905b6/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c[1083,1096] [2023-11-19 05:01:29,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:29,470 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:01:29,487 WARN L240 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_5e2f6049-606a-405e-b146-00022db905b6/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c[1083,1096] [2023-11-19 05:01:29,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:29,520 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:01:29,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29 WrapperNode [2023-11-19 05:01:29,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:29,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:29,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:01:29,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:01:29,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,605 INFO L138 Inliner]: procedures = 16, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2023-11-19 05:01:29,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:29,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:01:29,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:01:29,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:01:29,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:01:29,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:01:29,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:01:29,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:01:29,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (1/1) ... [2023-11-19 05:01:29,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:29,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:29,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:01:29,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:01:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_36_0 [2023-11-19 05:01:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_36_0 [2023-11-19 05:01:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:01:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:01:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:01:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:01:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:01:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:01:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:01:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 05:01:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 05:01:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:01:29,943 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:01:29,947 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:01:30,317 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:01:30,353 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:01:30,353 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:01:30,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:30 BoogieIcfgContainer [2023-11-19 05:01:30,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:01:30,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:01:30,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:01:30,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:01:30,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:01:29" (1/3) ... [2023-11-19 05:01:30,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d644153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:30, skipping insertion in model container [2023-11-19 05:01:30,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:29" (2/3) ... [2023-11-19 05:01:30,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d644153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:30, skipping insertion in model container [2023-11-19 05:01:30,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:30" (3/3) ... [2023-11-19 05:01:30,382 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_geo1-u.c [2023-11-19 05:01:30,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:01:30,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:01:30,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:01:30,460 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=LoopHeads, 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;@21481123, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:01:30,460 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:01:30,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 05:01:30,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:01:30,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:30,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:30,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:30,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:30,485 INFO L85 PathProgramCache]: Analyzing trace with hash 453876118, now seen corresponding path program 1 times [2023-11-19 05:01:30,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:30,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528057052] [2023-11-19 05:01:30,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:30,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:30,741 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:01:30,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1963596765] [2023-11-19 05:01:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:30,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:30,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:30,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:01:30,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:01:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:31,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 05:01:31,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:01:31,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 79 [2023-11-19 05:01:31,411 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,412 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,420 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 05:01:31,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2023-11-19 05:01:31,473 INFO L378 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 14 treesize of output 13 [2023-11-19 05:01:31,488 INFO L378 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 8 treesize of output 7 [2023-11-19 05:01:31,500 INFO L378 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 [2023-11-19 05:01:31,509 INFO L378 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 [2023-11-19 05:01:31,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:31,564 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-19 05:01:31,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 25 [2023-11-19 05:01:31,604 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,606 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,614 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 05:01:31,664 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,666 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,672 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 05:01:31,683 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,684 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,692 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 05:01:31,704 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,705 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,711 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 05:01:31,744 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,745 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,752 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 05:01:31,762 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,763 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,770 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 05:01:31,782 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,783 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:31,788 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 05:01:32,154 INFO L349 Elim1Store]: treesize reduction 132, result has 47.2 percent of original size [2023-11-19 05:01:32,154 INFO L378 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 6 new quantified variables, introduced 15 case distinctions, treesize of input 345 treesize of output 349 [2023-11-19 05:01:32,217 INFO L378 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2023-11-19 05:01:32,306 INFO L378 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 [2023-11-19 05:01:32,334 INFO L378 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 [2023-11-19 05:01:32,375 INFO L378 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 8 treesize of output 7 [2023-11-19 05:01:32,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-19 05:01:32,566 INFO L378 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 [2023-11-19 05:01:32,599 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:32,600 INFO L378 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 18 treesize of output 22 [2023-11-19 05:01:32,677 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:32,678 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:32,681 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:32,682 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:32,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 60 treesize of output 38 [2023-11-19 05:01:32,758 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:32,760 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:32,765 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:32,766 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:32,769 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:32,797 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-11-19 05:01:32,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 46 [2023-11-19 05:01:33,161 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:33,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 42 treesize of output 20 [2023-11-19 05:01:33,210 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 05:01:33,573 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-11-19 05:01:33,574 INFO L378 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 757 treesize of output 729 [2023-11-19 05:01:33,666 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2023-11-19 05:01:33,667 INFO L378 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 715 treesize of output 697 [2023-11-19 05:01:35,099 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:35,100 INFO L378 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 21 treesize of output 25 [2023-11-19 05:01:35,135 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:35,135 INFO L378 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 21 treesize of output 25 [2023-11-19 05:01:35,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:35,188 INFO L378 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 21 treesize of output 25 [2023-11-19 05:01:35,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:35,220 INFO L378 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 21 treesize of output 25 [2023-11-19 05:01:35,691 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:35,692 INFO L378 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 21 treesize of output 25 [2023-11-19 05:01:40,321 INFO L378 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 35 treesize of output 29 [2023-11-19 05:01:40,362 INFO L378 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 11 treesize of output 7 [2023-11-19 05:01:40,460 INFO L378 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 11 treesize of output 7 [2023-11-19 05:01:40,468 INFO L378 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 35 treesize of output 29 [2023-11-19 05:01:41,075 INFO L378 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 20 treesize of output 14 [2023-11-19 05:01:41,116 INFO L378 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 20 treesize of output 14 [2023-11-19 05:01:41,254 INFO L378 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 20 treesize of output 14 [2023-11-19 05:01:41,272 INFO L378 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 20 treesize of output 14 [2023-11-19 05:01:41,324 INFO L378 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 20 treesize of output 14 [2023-11-19 05:01:41,372 INFO L378 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 20 treesize of output 14 [2023-11-19 05:01:41,934 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-19 05:01:41,935 INFO L378 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 42 [2023-11-19 05:01:42,004 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 05:01:42,011 INFO L378 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 17 [2023-11-19 05:01:42,893 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-19 05:01:42,894 INFO L378 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 42 [2023-11-19 05:01:42,924 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 05:01:42,925 INFO L378 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 17 [2023-11-19 05:01:43,038 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-19 05:01:43,038 INFO L378 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 20 [2023-11-19 05:01:43,070 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-19 05:01:43,070 INFO L378 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 20 [2023-11-19 05:01:44,333 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-11-19 05:01:44,334 INFO L378 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 55 [2023-11-19 05:01:44,465 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:44,465 INFO L378 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 22 [2023-11-19 05:01:44,660 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:44,661 INFO L378 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 22 [2023-11-19 05:01:44,699 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-11-19 05:01:44,699 INFO L378 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 55 [2023-11-19 05:01:45,843 INFO L378 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 35 treesize of output 29 [2023-11-19 05:01:45,964 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:45,965 INFO L378 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 1 case distinctions, treesize of input 46 treesize of output 44 [2023-11-19 05:01:46,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:46,239 INFO L378 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 1 case distinctions, treesize of input 46 treesize of output 44 [2023-11-19 05:01:46,351 INFO L378 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 169 treesize of output 161 [2023-11-19 05:01:46,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:01:46,516 INFO L378 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 201 treesize of output 197 [2023-11-19 05:01:47,882 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:47,883 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 05:01:47,899 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 05:01:48,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 15 [2023-11-19 05:01:48,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:01:48,049 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:01:48,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:48,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528057052] [2023-11-19 05:01:48,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 05:01:48,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963596765] [2023-11-19 05:01:48,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963596765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:48,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:48,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 05:01:48,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83752621] [2023-11-19 05:01:48,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:48,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 05:01:48,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:48,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 05:01:48,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:01:48,090 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 8 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:48,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:48,429 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2023-11-19 05:01:48,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:01:48,431 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 05:01:48,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:48,439 INFO L225 Difference]: With dead ends: 50 [2023-11-19 05:01:48,439 INFO L226 Difference]: Without dead ends: 30 [2023-11-19 05:01:48,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:01:48,444 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 14 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:48,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 71 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:01:48,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-19 05:01:48,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2023-11-19 05:01:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-19 05:01:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2023-11-19 05:01:48,481 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 8 [2023-11-19 05:01:48,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:48,481 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2023-11-19 05:01:48,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:01:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-11-19 05:01:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 05:01:48,483 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:48,483 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:01:48,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:01:48,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:01:48,690 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:48,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:48,691 INFO L85 PathProgramCache]: Analyzing trace with hash 534296557, now seen corresponding path program 1 times [2023-11-19 05:01:48,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:48,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572252956] [2023-11-19 05:01:48,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:48,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:48,747 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:01:48,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149781008] [2023-11-19 05:01:48,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:48,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:01:48,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:48,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:01:48,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f6049-606a-405e-b146-00022db905b6/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 05:01:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:49,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 100 conjunts are in the unsatisfiable core [2023-11-19 05:01:49,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:01:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:49,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 77 [2023-11-19 05:01:49,254 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-19 05:01:49,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2023-11-19 05:01:49,279 INFO L378 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 8 treesize of output 1 [2023-11-19 05:01:50,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:01:51,092 INFO L349 Elim1Store]: treesize reduction 123, result has 29.7 percent of original size [2023-11-19 05:01:51,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 168 treesize of output 166 [2023-11-19 05:01:51,120 INFO L378 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2023-11-19 05:01:51,278 INFO L349 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2023-11-19 05:01:51,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 134 treesize of output 156 [2023-11-19 05:01:52,505 INFO L349 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2023-11-19 05:01:52,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 95 treesize of output 138 [2023-11-19 05:01:52,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 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 74 treesize of output 67 [2023-11-19 05:01:52,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 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 50 treesize of output 57 [2023-11-19 05:01:52,614 INFO L378 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2023-11-19 05:01:57,795 INFO L378 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 0 case distinctions, treesize of input 12 treesize of output 9 [2023-11-19 05:02:05,267 INFO L378 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 0 case distinctions, treesize of input 18 treesize of output 3 [2023-11-19 05:02:07,256 INFO L378 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 0 case distinctions, treesize of input 18 treesize of output 3 [2023-11-19 05:02:08,376 INFO L378 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 0 case distinctions, treesize of input 18 treesize of output 3 [2023-11-19 05:02:08,857 INFO L378 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 0 case distinctions, treesize of input 18 treesize of output 3 [2023-11-19 05:02:08,880 INFO L378 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 0 case distinctions, treesize of input 18 treesize of output 3 [2023-11-19 05:02:10,620 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2023-11-19 05:02:10,620 INFO L378 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 18 treesize of output 32 [2023-11-19 05:02:15,375 INFO L349 Elim1Store]: treesize reduction 28, result has 50.9 percent of original size [2023-11-19 05:02:15,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 64 [2023-11-19 05:02:17,735 INFO L378 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 0 case distinctions, treesize of input 18 treesize of output 3