./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire --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 ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:38:01,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:38:01,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:38:01,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:38:01,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:38:01,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:38:01,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:38:01,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:38:01,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:38:01,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:38:01,766 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:38:01,767 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:38:01,767 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:38:01,770 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:38:01,770 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:38:01,771 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:38:01,772 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:38:01,772 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:38:01,773 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:38:01,774 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:38:01,774 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:38:01,775 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:38:01,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:38:01,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:38:01,778 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:38:01,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:38:01,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:38:01,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:38:01,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:38:01,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:38:01,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:38:01,782 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:38:01,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:38:01,783 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:38:01,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:38:01,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:38:01,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:38:01,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:01,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:38:01,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:38:01,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:38:01,801 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:38:01,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:38:01,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:38:01,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:38:01,803 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:38:01,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:38:01,803 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_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2023-11-23 20:38:02,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:38:02,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:38:02,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:38:02,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:38:02,249 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:38:02,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-23 20:38:05,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:38:05,759 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:38:05,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2023-11-23 20:38:05,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/data/82d509684/c11b2af0272e4508b09e6c3ca42e3436/FLAG8f3bdea83 [2023-11-23 20:38:05,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/data/82d509684/c11b2af0272e4508b09e6c3ca42e3436 [2023-11-23 20:38:05,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:38:05,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:38:05,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:05,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:38:05,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:38:05,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:05" (1/1) ... [2023-11-23 20:38:05,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b187803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:05, skipping insertion in model container [2023-11-23 20:38:05,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:38:05" (1/1) ... [2023-11-23 20:38:05,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:38:06,014 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_06c83ca3-ffbe-4198-89f2-549a90b8f01a/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2023-11-23 20:38:06,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:06,043 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:38:06,058 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_06c83ca3-ffbe-4198-89f2-549a90b8f01a/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2023-11-23 20:38:06,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:38:06,083 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:38:06,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06 WrapperNode [2023-11-23 20:38:06,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:38:06,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:06,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:38:06,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:38:06,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,123 INFO L138 Inliner]: procedures = 16, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-23 20:38:06,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:38:06,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:38:06,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:38:06,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:38:06,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:38:06,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:38:06,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:38:06,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:38:06,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (1/1) ... [2023-11-23 20:38:06,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:38:06,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:06,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:38:06,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:38:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:38:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:38:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:38:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:38:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:38:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:38:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:38:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2023-11-23 20:38:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2023-11-23 20:38:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:38:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:38:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:38:06,427 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:38:06,430 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:38:06,746 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:38:06,796 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:38:06,801 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:38:06,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:06 BoogieIcfgContainer [2023-11-23 20:38:06,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:38:06,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:38:06,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:38:06,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:38:06,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:38:05" (1/3) ... [2023-11-23 20:38:06,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287de373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:06, skipping insertion in model container [2023-11-23 20:38:06,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:38:06" (2/3) ... [2023-11-23 20:38:06,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287de373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:38:06, skipping insertion in model container [2023-11-23 20:38:06,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:38:06" (3/3) ... [2023-11-23 20:38:06,833 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_ps2-ll.c [2023-11-23 20:38:06,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:38:06,859 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:38:06,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:38:06,936 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;@9f9f03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:38:06,937 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:38:06,942 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) [2023-11-23 20:38:06,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:38:06,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:06,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:06,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:06,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:06,962 INFO L85 PathProgramCache]: Analyzing trace with hash -248335761, now seen corresponding path program 1 times [2023-11-23 20:38:06,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:06,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583089739] [2023-11-23 20:38:06,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:06,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:07,177 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:38:07,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [325935296] [2023-11-23 20:38:07,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:07,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:38:07,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:38:07,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:38:07,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c83ca3-ffbe-4198-89f2-549a90b8f01a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:38:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:07,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-23 20:38:07,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:38:07,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:07,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:07,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:07,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:07,793 INFO L349 Elim1Store]: treesize reduction 188, result has 24.5 percent of original size [2023-11-23 20:38:07,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 130 treesize of output 333 [2023-11-23 20:38:07,856 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 17 treesize of output 15 [2023-11-23 20:38:07,906 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 17 treesize of output 15 [2023-11-23 20:38:07,986 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-23 20:38:07,987 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 110 treesize of output 100 [2023-11-23 20:38:08,346 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2023-11-23 20:38:08,447 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2023-11-23 20:38:08,528 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2023-11-23 20:38:08,863 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:38:08,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:38:08,901 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:38:08,903 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:38:08,916 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:38:08,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 237 [2023-11-23 20:38:09,348 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:38:09,377 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:38:09,382 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:38:09,383 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:38:09,395 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:38:09,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 279 [2023-11-23 20:38:09,622 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:38:09,685 INFO L349 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2023-11-23 20:38:09,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 271 treesize of output 250 [2023-11-23 20:38:10,191 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 [2023-11-23 20:38:10,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:10,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:10,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:10,813 INFO L349 Elim1Store]: treesize reduction 191, result has 20.7 percent of original size [2023-11-23 20:38:10,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 343 treesize of output 425 [2023-11-23 20:38:11,636 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:38:11,637 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 2 case distinctions, treesize of input 21 treesize of output 11 [2023-11-23 20:38:11,855 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:38:11,855 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 2 case distinctions, treesize of input 21 treesize of output 11 [2023-11-23 20:38:12,953 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:38:12,953 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 2 case distinctions, treesize of input 21 treesize of output 11 [2023-11-23 20:38:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:15,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 272 treesize of output 300 [2023-11-23 20:38:16,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 105 treesize of output 106 [2023-11-23 20:38:16,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 269 treesize of output 297 [2023-11-23 20:38:16,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 62 treesize of output 38 [2023-11-23 20:38:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,531 INFO L378 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 249 treesize of output 196 [2023-11-23 20:38:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:16,917 INFO L349 Elim1Store]: treesize reduction 201, result has 12.2 percent of original size [2023-11-23 20:38:16,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 12933 treesize of output 12761 [2023-11-23 20:38:19,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:19,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:19,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 1014 treesize of output 1015 [2023-11-23 20:38:19,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:19,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:19,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:19,492 INFO L349 Elim1Store]: treesize reduction 149, result has 22.8 percent of original size [2023-11-23 20:38:19,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 3714 treesize of output 3394 [2023-11-23 20:38:20,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:20,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:20,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:20,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:20,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 134 [2023-11-23 20:38:20,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:20,398 INFO L378 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 491 treesize of output 496 [2023-11-23 20:38:24,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:38:29,010 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:38:29,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 19 select indices, 19 select index equivalence classes, 1 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 170 case distinctions, treesize of input 23065 treesize of output 21825 [2023-11-23 20:38:30,221 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 1232 treesize of output 1230 [2023-11-23 20:38:30,585 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 1230 treesize of output 1228 [2023-11-23 20:38:30,986 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 1228 treesize of output 1226 [2023-11-23 20:38:31,404 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 1226 treesize of output 1224 [2023-11-23 20:38:31,794 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 1224 treesize of output 1222 [2023-11-23 20:38:32,278 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 1222 treesize of output 1220 [2023-11-23 20:38:32,732 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 1220 treesize of output 1218 [2023-11-23 20:38:35,689 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:38:35,689 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 20 treesize of output 22