./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_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/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_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh --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 [2023-12-02 15:47:16,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:47:16,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:47:16,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:47:16,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:47:16,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:47:16,283 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:47:16,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:47:16,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:47:16,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:47:16,285 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:47:16,286 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:47:16,286 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:47:16,287 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:47:16,287 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:47:16,288 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:47:16,289 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:47:16,289 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:47:16,290 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:47:16,290 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:47:16,291 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:47:16,292 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:47:16,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:47:16,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:47:16,293 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:47:16,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:47:16,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:47:16,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:47:16,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:47:16,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:47:16,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:47:16,296 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:47:16,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:47:16,297 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:47:16,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:47:16,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:47:16,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:47:16,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:47:16,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:47:16,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:47:16,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:47:16,299 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:47:16,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:47:16,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:47:16,300 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:47:16,300 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:47:16,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:47:16,301 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_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1558071458a9b20d19a0574bae4bc888f78db92e0ff6316a4aff911aa1d4e26 [2023-12-02 15:47:16,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:47:16,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:47:16,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:47:16,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:47:16,551 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:47:16,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-87.i [2023-12-02 15:47:19,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:47:19,599 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:47:19,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-87.i [2023-12-02 15:47:19,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/data/a383af2df/6092352adf0149a1b5e5fad8c97bb3f0/FLAG39b9de0ba [2023-12-02 15:47:19,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/data/a383af2df/6092352adf0149a1b5e5fad8c97bb3f0 [2023-12-02 15:47:19,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:47:19,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:47:19,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:47:19,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:47:19,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:47:19,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:19,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614874b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19, skipping insertion in model container [2023-12-02 15:47:19,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:19,673 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:47:19,818 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_33aded34-feba-47d2-800d-4dabfab8260b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-87.i[916,929] [2023-12-02 15:47:19,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:47:19,871 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:47:19,884 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_33aded34-feba-47d2-800d-4dabfab8260b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-87.i[916,929] [2023-12-02 15:47:19,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:47:19,924 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:47:19,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19 WrapperNode [2023-12-02 15:47:19,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:47:19,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:47:19,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:47:19,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:47:19,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:19,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:19,979 INFO L138 Inliner]: procedures = 26, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 390 [2023-12-02 15:47:19,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:47:19,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:47:19,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:47:19,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:47:19,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:19,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:19,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:19,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:20,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:20,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:20,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:20,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:20,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:47:20,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:47:20,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:47:20,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:47:20,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (1/1) ... [2023-12-02 15:47:20,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:47:20,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:47:20,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:47:20,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:47:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:47:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:47:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:47:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:47:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:47:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:47:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:47:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:47:20,232 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:47:20,234 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:47:20,635 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:47:21,053 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:47:21,054 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:47:21,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:21 BoogieIcfgContainer [2023-12-02 15:47:21,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:47:21,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:47:21,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:47:21,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:47:21,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:47:19" (1/3) ... [2023-12-02 15:47:21,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766e6057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:21, skipping insertion in model container [2023-12-02 15:47:21,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:19" (2/3) ... [2023-12-02 15:47:21,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766e6057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:21, skipping insertion in model container [2023-12-02 15:47:21,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:21" (3/3) ... [2023-12-02 15:47:21,063 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-87.i [2023-12-02 15:47:21,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:47:21,078 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:47:21,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:47:21,144 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;@13d42190, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:47:21,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:47:21,149 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) [2023-12-02 15:47:21,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 15:47:21,159 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:47:21,160 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] [2023-12-02 15:47:21,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:47:21,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:47:21,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2016184553, now seen corresponding path program 1 times [2023-12-02 15:47:21,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:47:21,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299890349] [2023-12-02 15:47:21,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:47:21,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:47:21,372 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:47:21,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [601950016] [2023-12-02 15:47:21,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:47:21,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:47:21,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:47:21,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:47:21,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33aded34-feba-47d2-800d-4dabfab8260b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:47:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:47:22,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 144 conjunts are in the unsatisfiable core [2023-12-02 15:47:22,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:47:22,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:22,916 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 [2023-12-02 15:47:24,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:24,443 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 [2023-12-02 15:47:26,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:26,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:26,389 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 [2023-12-02 15:47:27,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:27,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:27,700 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 [2023-12-02 15:47:28,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:28,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:28,739 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 [2023-12-02 15:47:29,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:29,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:29,613 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 [2023-12-02 15:47:30,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:30,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:30,424 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 [2023-12-02 15:47:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,336 INFO L224 Elim1Store]: Index analysis took 198 ms [2023-12-02 15:47:34,338 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 [2023-12-02 15:47:34,765 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 [2023-12-02 15:47:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:34,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,131 INFO L224 Elim1Store]: Index analysis took 223 ms [2023-12-02 15:47:35,456 INFO L349 Elim1Store]: treesize reduction 23, result has 32.4 percent of original size [2023-12-02 15:47:35,457 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 [2023-12-02 15:47:35,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:36,292 INFO L224 Elim1Store]: Index analysis took 380 ms [2023-12-02 15:47:37,387 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-12-02 15:47:37,387 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 [2023-12-02 15:47:37,634 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 [2023-12-02 15:47:37,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:37,893 INFO L224 Elim1Store]: Index analysis took 121 ms [2023-12-02 15:47:43,689 WARN L293 SmtUtils]: Spent 5.79s 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) [2023-12-02 15:47:43,689 INFO L349 Elim1Store]: treesize reduction 55, result has 24.7 percent of original size [2023-12-02 15:47:43,690 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 [2023-12-02 15:47:43,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:47:43,951 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-12-02 15:47:43,952 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 [2023-12-02 15:47:44,611 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 [2023-12-02 15:47:45,196 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 [2023-12-02 15:47:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 3 proven. 165 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 15:47:57,132 INFO L327 TraceCheckSpWp]: Computing backward predicates...