./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_egcd3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/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_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_egcd3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31cf2fabf53e081c3004f39943d7e98ce7bd9dc5e02db94d5bcffe73b0927449 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:23,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:23,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:58:23,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:23,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:23,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:23,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:23,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:23,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:23,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:23,547 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:23,547 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:23,548 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:23,548 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:58:23,549 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:23,550 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:23,550 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:58:23,551 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:58:23,551 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:23,552 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:58:23,553 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:58:23,554 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:58:23,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:23,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:23,556 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:58:23,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:58:23,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:58:23,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:23,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:23,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:23,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:23,559 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:58:23,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:58:23,560 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:58:23,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:23,561 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:23,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:23,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:23,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:23,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:23,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:23,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:23,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:23,564 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:58:23,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:58:23,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:23,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:23,565 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:23,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:23,565 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_7cb88295-d77c-40ea-9770-69e7e718e907/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31cf2fabf53e081c3004f39943d7e98ce7bd9dc5e02db94d5bcffe73b0927449 [2023-11-24 23:58:23,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:23,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:23,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:23,863 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:23,864 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:23,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/recursified_nla-digbench/recursified_egcd3-ll.c [2023-11-24 23:58:27,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:27,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:27,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/sv-benchmarks/c/recursified_nla-digbench/recursified_egcd3-ll.c [2023-11-24 23:58:27,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/data/ee568bd32/85092dec7c3340cb88f79d5ea1c525f3/FLAGd36a1f86b [2023-11-24 23:58:27,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/data/ee568bd32/85092dec7c3340cb88f79d5ea1c525f3 [2023-11-24 23:58:27,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:27,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:27,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:27,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:27,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:27,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eafe4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27, skipping insertion in model container [2023-11-24 23:58:27,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:27,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:27,621 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:27,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:27,675 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:27,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27 WrapperNode [2023-11-24 23:58:27,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:27,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:27,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:27,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:27,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,729 INFO L138 Inliner]: procedures = 18, calls = 128, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2023-11-24 23:58:27,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:27,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:27,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:27,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:27,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:27,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:27,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:27,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:27,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:27,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:27,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:27,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:58:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:58:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:58:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_47_to_56_0 [2023-11-24 23:58:27,876 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_47_to_56_0 [2023-11-24 23:58:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_70_0 [2023-11-24 23:58:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_70_0 [2023-11-24 23:58:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:58:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_40_to_59_0 [2023-11-24 23:58:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_40_to_59_0 [2023-11-24 23:58:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:58:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:58:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:58:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:58:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:58:28,049 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:28,051 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:28,642 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:28,682 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:28,682 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:58:28,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:28 BoogieIcfgContainer [2023-11-24 23:58:28,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:28,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:28,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:28,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:28,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:27" (1/3) ... [2023-11-24 23:58:28,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472cdb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:28, skipping insertion in model container [2023-11-24 23:58:28,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (2/3) ... [2023-11-24 23:58:28,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472cdb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:28, skipping insertion in model container [2023-11-24 23:58:28,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:28" (3/3) ... [2023-11-24 23:58:28,694 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_egcd3-ll.c [2023-11-24 23:58:28,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:28,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2023-11-24 23:58:28,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:28,773 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;@871b505, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:28,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2023-11-24 23:58:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 75 states have (on average 1.7466666666666666) internal successors, (131), 128 states have internal predecessors, (131), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-24 23:58:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:58:28,786 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:28,787 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:28,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-24 23:58:28,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:28,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1644476746, now seen corresponding path program 1 times [2023-11-24 23:58:28,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:28,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414686328] [2023-11-24 23:58:28,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:28,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:29,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:29,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414686328] [2023-11-24 23:58:29,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-24 23:58:29,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744135576] [2023-11-24 23:58:29,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:29,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:58:29,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:29,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:58:29,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:58:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:29,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:58:29,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:58:29,360 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:29,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744135576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:29,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:29,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:58:29,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579743246] [2023-11-24 23:58:29,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:29,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:58:29,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:29,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:58:29,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:58:29,408 INFO L87 Difference]: Start difference. First operand has 144 states, 75 states have (on average 1.7466666666666666) internal successors, (131), 128 states have internal predecessors, (131), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:58:29,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:29,467 INFO L93 Difference]: Finished difference Result 280 states and 310 transitions. [2023-11-24 23:58:29,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:58:29,473 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2023-11-24 23:58:29,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:29,490 INFO L225 Difference]: With dead ends: 280 [2023-11-24 23:58:29,491 INFO L226 Difference]: Without dead ends: 141 [2023-11-24 23:58:29,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:58:29,507 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:29,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:58:29,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-24 23:58:29,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2023-11-24 23:58:29,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 74 states have (on average 1.7027027027027026) internal successors, (126), 126 states have internal predecessors, (126), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:58:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2023-11-24 23:58:29,567 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 16 [2023-11-24 23:58:29,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:29,568 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2023-11-24 23:58:29,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:58:29,569 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2023-11-24 23:58:29,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:58:29,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:29,570 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:29,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:58:29,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:58:29,777 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-24 23:58:29,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:29,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1299410764, now seen corresponding path program 1 times [2023-11-24 23:58:29,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:29,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76700698] [2023-11-24 23:58:29,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:29,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:29,854 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:58:29,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433959009] [2023-11-24 23:58:29,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:29,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:58:29,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:29,857 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:58:29,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 23:58:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:30,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-24 23:58:30,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:30,361 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-11-24 23:58:30,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 23758 treesize of output 23252 [2023-11-24 23:58:30,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2023-11-24 23:58:30,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 21 [2023-11-24 23:58:30,630 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 1 [2023-11-24 23:58:31,457 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-24 23:58:31,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 418 treesize of output 404 [2023-11-24 23:58:31,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:31,936 INFO L349 Elim1Store]: treesize reduction 58, result has 31.8 percent of original size [2023-11-24 23:58:31,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 44 [2023-11-24 23:58:32,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:32,172 INFO L349 Elim1Store]: treesize reduction 58, result has 31.8 percent of original size [2023-11-24 23:58:32,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 44 [2023-11-24 23:58:32,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:32,417 INFO L349 Elim1Store]: treesize reduction 121, result has 23.4 percent of original size [2023-11-24 23:58:32,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 347 treesize of output 47 [2023-11-24 23:58:32,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:32,993 INFO L349 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2023-11-24 23:58:32,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 44 [2023-11-24 23:58:33,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:33,268 INFO L349 Elim1Store]: treesize reduction 114, result has 27.8 percent of original size [2023-11-24 23:58:33,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 347 treesize of output 54 [2023-11-24 23:58:33,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:33,608 INFO L349 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2023-11-24 23:58:33,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 44 [2023-11-24 23:58:33,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:33,913 INFO L349 Elim1Store]: treesize reduction 168, result has 13.8 percent of original size [2023-11-24 23:58:33,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 363 treesize of output 44 [2023-11-24 23:58:34,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:34,329 INFO L349 Elim1Store]: treesize reduction 309, result has 12.5 percent of original size [2023-11-24 23:58:34,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 731 treesize of output 54 [2023-11-24 23:58:34,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:34,714 INFO L349 Elim1Store]: treesize reduction 168, result has 13.8 percent of original size [2023-11-24 23:58:34,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 363 treesize of output 44 [2023-11-24 23:58:34,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:35,051 INFO L349 Elim1Store]: treesize reduction 151, result has 22.6 percent of original size [2023-11-24 23:58:35,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 347 treesize of output 54 [2023-11-24 23:58:35,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:35,392 INFO L349 Elim1Store]: treesize reduction 58, result has 31.8 percent of original size [2023-11-24 23:58:35,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 44 [2023-11-24 23:58:35,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:35,592 INFO L349 Elim1Store]: treesize reduction 58, result has 31.8 percent of original size [2023-11-24 23:58:35,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 44 [2023-11-24 23:58:35,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:35,771 INFO L349 Elim1Store]: treesize reduction 58, result has 31.8 percent of original size [2023-11-24 23:58:35,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 44 [2023-11-24 23:58:35,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:35,997 INFO L349 Elim1Store]: treesize reduction 151, result has 22.6 percent of original size [2023-11-24 23:58:35,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 347 treesize of output 54 [2023-11-24 23:58:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:36,339 INFO L349 Elim1Store]: treesize reduction 58, result has 31.8 percent of original size [2023-11-24 23:58:36,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 44 [2023-11-24 23:58:36,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:36,554 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-24 23:58:36,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 36 [2023-11-24 23:58:36,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:36,714 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-24 23:58:36,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 36 [2023-11-24 23:58:36,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:36,922 INFO L349 Elim1Store]: treesize reduction 121, result has 23.4 percent of original size [2023-11-24 23:58:36,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 347 treesize of output 47 [2023-11-24 23:58:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:58:39,739 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:39,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:39,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76700698] [2023-11-24 23:58:39,740 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:58:39,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433959009] [2023-11-24 23:58:39,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433959009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:39,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:39,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-24 23:58:39,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182887653] [2023-11-24 23:58:39,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:39,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-24 23:58:39,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:39,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-24 23:58:39,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-24 23:58:39,746 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand has 11 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-24 23:58:41,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:41,746 INFO L93 Difference]: Finished difference Result 176 states and 187 transitions. [2023-11-24 23:58:41,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 23:58:41,747 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 17 [2023-11-24 23:58:41,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:41,750 INFO L225 Difference]: With dead ends: 176 [2023-11-24 23:58:41,751 INFO L226 Difference]: Without dead ends: 147 [2023-11-24 23:58:41,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-11-24 23:58:41,752 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 89 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:41,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 823 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 337 Invalid, 2 Unknown, 0 Unchecked, 1.0s Time] [2023-11-24 23:58:41,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-24 23:58:41,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 143. [2023-11-24 23:58:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 75 states have (on average 1.6933333333333334) internal successors, (127), 127 states have internal predecessors, (127), 12 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2023-11-24 23:58:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2023-11-24 23:58:41,777 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 17 [2023-11-24 23:58:41,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:41,778 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2023-11-24 23:58:41,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-24 23:58:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2023-11-24 23:58:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:58:41,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:41,779 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:41,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:58:41,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:58:41,985 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting func_to_recursive_line_47_to_56_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-24 23:58:41,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:41,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1858796290, now seen corresponding path program 1 times [2023-11-24 23:58:41,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:41,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118087018] [2023-11-24 23:58:41,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:41,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:42,058 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:58:42,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511170623] [2023-11-24 23:58:42,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:42,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:58:42,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:42,073 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:58:42,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb88295-d77c-40ea-9770-69e7e718e907/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 23:58:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:42,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 167 conjunts are in the unsatisfiable core [2023-11-24 23:58:42,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:42,543 INFO L349 Elim1Store]: treesize reduction 476, result has 6.1 percent of original size [2023-11-24 23:58:42,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 20 case distinctions, treesize of input 295 treesize of output 281 [2023-11-24 23:58:42,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:42,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2023-11-24 23:58:42,678 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 1 [2023-11-24 23:58:42,808 INFO L349 Elim1Store]: treesize reduction 506, result has 0.2 percent of original size [2023-11-24 23:58:42,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 20 case distinctions, treesize of input 156 treesize of output 1 [2023-11-24 23:58:42,958 INFO L349 Elim1Store]: treesize reduction 506, result has 0.2 percent of original size [2023-11-24 23:58:42,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 20 case distinctions, treesize of input 139 treesize of output 1 [2023-11-24 23:58:42,996 INFO L349 Elim1Store]: treesize reduction 34, result has 35.8 percent of original size [2023-11-24 23:58:42,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 72 [2023-11-24 23:58:43,008 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 23:58:43,044 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-24 23:58:43,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 16 [2023-11-24 23:58:43,243 INFO L349 Elim1Store]: treesize reduction 506, result has 0.2 percent of original size [2023-11-24 23:58:43,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 21 case distinctions, treesize of input 567 treesize of output 1 [2023-11-24 23:58:43,286 INFO L349 Elim1Store]: treesize reduction 34, result has 35.8 percent of original size [2023-11-24 23:58:43,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 72 [2023-11-24 23:58:43,298 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 23:58:43,310 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:58:43,311 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 1 [2023-11-24 23:58:43,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 16 [2023-11-24 23:58:43,490 INFO L349 Elim1Store]: treesize reduction 506, result has 0.2 percent of original size [2023-11-24 23:58:43,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 20 case distinctions, treesize of input 226 treesize of output 1 [2023-11-24 23:58:43,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2023-11-24 23:58:43,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:58:43,628 INFO L349 Elim1Store]: treesize reduction 546, result has 0.2 percent of original size [2023-11-24 23:58:43,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 26 case distinctions, treesize of input 141 treesize of output 1 [2023-11-24 23:58:43,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:43,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:43,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:43,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:43,785 INFO L349 Elim1Store]: treesize reduction 546, result has 0.2 percent of original size [2023-11-24 23:58:43,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 26 case distinctions, treesize of input 146 treesize of output 1 [2023-11-24 23:58:43,906 INFO L349 Elim1Store]: treesize reduction 506, result has 0.2 percent of original size [2023-11-24 23:58:43,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 20 case distinctions, treesize of input 240 treesize of output 1 [2023-11-24 23:58:46,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:46,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 22 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 296 treesize of output 54 [2023-11-24 23:58:46,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 53 [2023-11-24 23:58:58,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:58,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:58,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:58,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:58,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:58,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:58,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:58,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:58,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:58,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:58,999 INFO L349 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2023-11-24 23:58:58,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 22 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 53 [2023-11-24 23:58:59,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:59,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:59,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:59,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:59,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:58:59,844 INFO L349 Elim1Store]: treesize reduction 744, result has 17.4 percent of original size [2023-11-24 23:58:59,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 31 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 72 case distinctions, treesize of input 80 treesize of output 209 [2023-11-24 23:59:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:59:16,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:59:16,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:59:16,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:59:16,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:59:16,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:59:16,741 INFO L349 Elim1Store]: treesize reduction 100, result has 44.1 percent of original size [2023-11-24 23:59:16,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 26 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 101 [2023-11-24 23:59:17,074 INFO L349 Elim1Store]: treesize reduction 344, result has 14.2 percent of original size [2023-11-24 23:59:17,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 50 case distinctions, treesize of input 76 treesize of output 102