./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91 --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 d1558071458a9b20d19a0574bae4bc888f78db92e0ff6316a4aff911aa1d4e26 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:54:39,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:54:39,677 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:54:39,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:54:39,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:54:39,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:54:39,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:54:39,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:54:39,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:54:39,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:54:39,735 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:54:39,735 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:54:39,736 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:54:39,737 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:54:39,738 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:54:39,738 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:54:39,739 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:54:39,739 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:54:39,740 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:54:39,740 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:54:39,741 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:54:39,741 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:54:39,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:54:39,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:54:39,744 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:54:39,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:54:39,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:54:39,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:54:39,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:54:39,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:54:39,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:54:39,748 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:54:39,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:54:39,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:54:39,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:54:39,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:54:39,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:54:39,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:39,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:54:39,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:54:39,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:54:39,751 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:54:39,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:54:39,752 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:54:39,753 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:54:39,753 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:54:39,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:54:39,754 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_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1558071458a9b20d19a0574bae4bc888f78db92e0ff6316a4aff911aa1d4e26 [2023-11-24 23:54:40,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:54:40,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:54:40,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:54:40,084 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:54:40,084 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:54:40,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-87.i [2023-11-24 23:54:43,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:54:43,371 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:54:43,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-87.i [2023-11-24 23:54:43,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/data/713169ed1/68437dfb9ed44a23890cae191a0d5f7e/FLAGf77dca263 [2023-11-24 23:54:43,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/data/713169ed1/68437dfb9ed44a23890cae191a0d5f7e [2023-11-24 23:54:43,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:54:43,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:54:43,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:43,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:54:43,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:54:43,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf47d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43, skipping insertion in model container [2023-11-24 23:54:43,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,466 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:54:43,651 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_a8f1f651-1567-4166-9fa8-93fd6d4e1184/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-87.i[916,929] [2023-11-24 23:54:43,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:43,729 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:54:43,740 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_a8f1f651-1567-4166-9fa8-93fd6d4e1184/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-87.i[916,929] [2023-11-24 23:54:43,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:43,792 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:54:43,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43 WrapperNode [2023-11-24 23:54:43,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:43,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:43,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:54:43,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:54:43,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,857 INFO L138 Inliner]: procedures = 26, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 390 [2023-11-24 23:54:43,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:43,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:54:43,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:54:43,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:54:43,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:54:43,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:54:43,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:54:43,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:54:43,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (1/1) ... [2023-11-24 23:54:43,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:43,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:54:43,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:54:43,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:54:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:54:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:54:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:54:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:54:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:54:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:54:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:54:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:54:44,129 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:54:44,132 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:54:44,645 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:54:45,194 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:54:45,194 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:54:45,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:45 BoogieIcfgContainer [2023-11-24 23:54:45,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:54:45,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:54:45,200 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:54:45,204 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:54:45,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:54:43" (1/3) ... [2023-11-24 23:54:45,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b040be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:45, skipping insertion in model container [2023-11-24 23:54:45,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:43" (2/3) ... [2023-11-24 23:54:45,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b040be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:45, skipping insertion in model container [2023-11-24 23:54:45,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:45" (3/3) ... [2023-11-24 23:54:45,209 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-87.i [2023-11-24 23:54:45,229 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:54:45,229 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:54:45,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:54:45,324 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;@491c98dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:54:45,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:54:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-24 23:54:45,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:54:45,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:45,345 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:54:45,346 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:54:45,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:45,355 INFO L85 PathProgramCache]: Analyzing trace with hash 2016184553, now seen corresponding path program 1 times [2023-11-24 23:54:45,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:54:45,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983363706] [2023-11-24 23:54:45,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:45,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:54:45,579 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:54:45,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1452493363] [2023-11-24 23:54:45,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:45,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:54:45,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:54:45,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:54:45,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f651-1567-4166-9fa8-93fd6d4e1184/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:54:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:46,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 144 conjunts are in the unsatisfiable core [2023-11-24 23:54:46,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:54:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:47,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 23:54:49,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:49,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-24 23:54:51,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:51,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:51,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:51,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2023-11-24 23:54:53,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:53,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:53,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2023-11-24 23:54:54,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:54,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:54,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-24 23:54:55,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:55,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:55,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-24 23:54:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:54:56,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-24 23:55:02,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,075 INFO L224 Elim1Store]: Index analysis took 274 ms [2023-11-24 23:55:02,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 515 treesize of output 311 [2023-11-24 23:55:02,607 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 12 treesize of output 11 [2023-11-24 23:55:02,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:03,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:03,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:03,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:03,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:03,044 INFO L224 Elim1Store]: Index analysis took 258 ms [2023-11-24 23:55:03,448 INFO L349 Elim1Store]: treesize reduction 23, result has 32.4 percent of original size [2023-11-24 23:55:03,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 44 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 214 treesize of output 215 [2023-11-24 23:55:04,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:04,549 INFO L224 Elim1Store]: Index analysis took 430 ms [2023-11-24 23:55:06,101 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-24 23:55:06,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 44 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 151 treesize of output 146 [2023-11-24 23:55:06,442 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 26 treesize of output 20 [2023-11-24 23:55:06,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:06,848 INFO L224 Elim1Store]: Index analysis took 134 ms [2023-11-24 23:55:14,025 WARN L293 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 48 DAG size of output: 13 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-24 23:55:14,025 INFO L349 Elim1Store]: treesize reduction 55, result has 24.7 percent of original size [2023-11-24 23:55:14,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 72 disjoint index pairs (out of 78 index pairs), introduced 14 new quantified variables, introduced 7 case distinctions, treesize of input 397 treesize of output 349 [2023-11-24 23:55:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:55:14,396 INFO L224 Elim1Store]: Index analysis took 104 ms [2023-11-24 23:55:14,427 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-24 23:55:14,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 13 select indices, 13 select index equivalence classes, 72 disjoint index pairs (out of 78 index pairs), introduced 16 new quantified variables, introduced 6 case distinctions, treesize of input 354 treesize of output 476 [2023-11-24 23:55:15,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 43 treesize of output 80 [2023-11-24 23:55:15,822 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 [2023-11-24 23:55:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 3 proven. 165 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-24 23:55:31,616 INFO L327 TraceCheckSpWp]: Computing backward predicates...