./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/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_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1208277e71e1c3dcb7bf16b04051e4f527abbe326e9bfc724844bd2d70dc86a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:35,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:35,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:01:35,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:35,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:35,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:35,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:36,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:36,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:36,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:36,002 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:36,002 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:36,003 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:36,004 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:01:36,004 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:36,005 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:36,005 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:01:36,006 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:01:36,006 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:36,007 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:01:36,008 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:01:36,008 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:01:36,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:36,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:36,010 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:01:36,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:01:36,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:01:36,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:36,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:36,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:36,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:36,014 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:01:36,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:36,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:36,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:36,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:36,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:36,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:36,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:36,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:36,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:36,020 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:01:36,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:01:36,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:36,021 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:36,021 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:36,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:36,022 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_a319153c-635e-49bd-9531-78a06fcbac44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1208277e71e1c3dcb7bf16b04051e4f527abbe326e9bfc724844bd2d70dc86a [2023-11-25 00:01:36,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:36,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:36,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:36,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:36,366 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:36,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i [2023-11-25 00:01:39,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:39,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:39,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i [2023-11-25 00:01:39,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/data/cc5ba19b0/5bad9a90aba14fc6bebcfa092953b8a3/FLAG0d15f2e8e [2023-11-25 00:01:39,819 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/data/cc5ba19b0/5bad9a90aba14fc6bebcfa092953b8a3 [2023-11-25 00:01:39,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:39,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:39,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:39,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:39,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:39,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:39" (1/1) ... [2023-11-25 00:01:39,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b76277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:39, skipping insertion in model container [2023-11-25 00:01:39,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:39" (1/1) ... [2023-11-25 00:01:39,884 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:40,046 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_a319153c-635e-49bd-9531-78a06fcbac44/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i[916,929] [2023-11-25 00:01:40,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:40,117 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:40,131 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_a319153c-635e-49bd-9531-78a06fcbac44/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i[916,929] [2023-11-25 00:01:40,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:40,241 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:40,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40 WrapperNode [2023-11-25 00:01:40,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:40,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:40,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:40,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:40,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,330 INFO L138 Inliner]: procedures = 29, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 418 [2023-11-25 00:01:40,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:40,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:40,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:40,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:40,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:40,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:40,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:40,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:40,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (1/1) ... [2023-11-25 00:01:40,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:40,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:40,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:40,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:01:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:01:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-25 00:01:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:01:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-25 00:01:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:01:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:01:40,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:01:40,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:40,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:40,663 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:40,666 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:41,363 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:42,150 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:42,151 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:01:42,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:42 BoogieIcfgContainer [2023-11-25 00:01:42,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:42,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:42,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:42,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:42,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:39" (1/3) ... [2023-11-25 00:01:42,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1697da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:42, skipping insertion in model container [2023-11-25 00:01:42,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:40" (2/3) ... [2023-11-25 00:01:42,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1697da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:42, skipping insertion in model container [2023-11-25 00:01:42,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:42" (3/3) ... [2023-11-25 00:01:42,169 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-37.i [2023-11-25 00:01:42,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:42,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:01:42,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:42,280 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;@61ded05b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:42,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:01:42,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:01:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-25 00:01:42,302 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:42,303 INFO L195 NwaCegarLoop]: trace histogram [15, 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, 1, 1, 1] [2023-11-25 00:01:42,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:42,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:42,313 INFO L85 PathProgramCache]: Analyzing trace with hash 157798059, now seen corresponding path program 1 times [2023-11-25 00:01:42,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:42,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779478222] [2023-11-25 00:01:42,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:42,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:42,680 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:01:42,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1475290937] [2023-11-25 00:01:42,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:42,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:01:42,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:42,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:01:42,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:01:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:01:49,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:01:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:01:51,054 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:01:51,062 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:01:51,064 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:01:51,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:01:51,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-25 00:01:51,272 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:01:51,276 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:01:51,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:01:51,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:01:51,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-25 00:01:51,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-25 00:01:51,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:01:51,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:01:51,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:01:51,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:01:51,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-25 00:01:51,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-25 00:01:51,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-25 00:01:51,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-25 00:01:51,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:01:51,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:01:51,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-25 00:01:51,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-25 00:01:51,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:01:51,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:01:51,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-25 00:01:51,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-25 00:01:51,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:01:51,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:01:51,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-25 00:01:51,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-25 00:01:51,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-25 00:01:51,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-25 00:01:51,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-25 00:01:51,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-25 00:01:51,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-25 00:01:51,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-25 00:01:51,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:01:51,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-25 00:01:51,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-25 00:01:51,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:01:51,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-25 00:01:51,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-25 00:01:51,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-25 00:01:51,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-25 00:01:51,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-25 00:01:51,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-25 00:01:51,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:01:51,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:01:51,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:01:51 BoogieIcfgContainer [2023-11-25 00:01:51,347 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:01:51,348 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:01:51,348 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:01:51,348 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:01:51,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:42" (3/4) ... [2023-11-25 00:01:51,351 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:01:51,353 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:01:51,354 INFO L158 Benchmark]: Toolchain (without parser) took 11529.98ms. Allocated memory was 165.7MB in the beginning and 209.7MB in the end (delta: 44.0MB). Free memory was 121.3MB in the beginning and 130.0MB in the end (delta: -8.7MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-11-25 00:01:51,355 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 165.7MB. Free memory was 142.0MB in the beginning and 141.8MB in the end (delta: 160.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:01:51,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.90ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 105.1MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:01:51,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.51ms. Allocated memory is still 165.7MB. Free memory was 105.1MB in the beginning and 100.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:01:51,358 INFO L158 Benchmark]: Boogie Preprocessor took 86.72ms. Allocated memory is still 165.7MB. Free memory was 100.7MB in the beginning and 97.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:01:51,359 INFO L158 Benchmark]: RCFGBuilder took 1734.60ms. Allocated memory is still 165.7MB. Free memory was 97.4MB in the beginning and 89.9MB in the end (delta: 7.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-25 00:01:51,360 INFO L158 Benchmark]: TraceAbstraction took 9189.99ms. Allocated memory was 165.7MB in the beginning and 209.7MB in the end (delta: 44.0MB). Free memory was 89.0MB in the beginning and 131.0MB in the end (delta: -42.0MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2023-11-25 00:01:51,360 INFO L158 Benchmark]: Witness Printer took 5.52ms. Allocated memory is still 209.7MB. Free memory was 131.0MB in the beginning and 130.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:01:51,365 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 165.7MB. Free memory was 142.0MB in the beginning and 141.8MB in the end (delta: 160.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.90ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 105.1MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.51ms. Allocated memory is still 165.7MB. Free memory was 105.1MB in the beginning and 100.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.72ms. Allocated memory is still 165.7MB. Free memory was 100.7MB in the beginning and 97.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1734.60ms. Allocated memory is still 165.7MB. Free memory was 97.4MB in the beginning and 89.9MB in the end (delta: 7.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9189.99ms. Allocated memory was 165.7MB in the beginning and 209.7MB in the end (delta: 44.0MB). Free memory was 89.0MB in the beginning and 131.0MB in the end (delta: -42.0MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 5.52ms. Allocated memory is still 209.7MB. Free memory was 131.0MB in the beginning and 130.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of bitwiseOr at line 67. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 8, 59049, 100, 16, -25, 16, 25, -10, 0, 25.1, 2531521428, -128, 256, -16 }; [L113] isInitial = 1 [L114] FCALL initially() [L115] COND TRUE 1 [L116] FCALL updateLastVariables() [L117] CALL updateVariables() [L82] WrapperStruct00.var_1_2 = __VERIFIER_nondet_ushort() [L83] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L83] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L84] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L84] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1] [L85] WrapperStruct00.var_1_3 = __VERIFIER_nondet_ushort() [L86] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] WrapperStruct00.var_1_8 = __VERIFIER_nondet_char() [L92] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] WrapperStruct00.var_1_9 = __VERIFIER_nondet_char() [L95] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 31) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_10 = __VERIFIER_nondet_char() [L98] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_12 = __VERIFIER_nondet_float() [L101] EXPR WrapperStruct00.var_1_12 [L101] EXPR WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_12 [L101] EXPR WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L101] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ulong() [L103] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 4294967295) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 4294967295) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] RET updateVariables() [L118] CALL step() [L58] EXPR WrapperStruct00.var_1_8 [L58] WrapperStruct00.var_1_14 = WrapperStruct00.var_1_8 [L59] EXPR WrapperStruct00.var_1_14 [L59] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_14 [L60] EXPR WrapperStruct00.var_1_14 [L60] EXPR ((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14) [L60] EXPR WrapperStruct00.var_1_14 [L60] EXPR ((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14) [L60] signed long int stepLocal_0 = (((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)); [L61] EXPR WrapperStruct00.var_1_2 [L61] COND FALSE !(WrapperStruct00.var_1_2 <= stepLocal_0) [L64] EXPR WrapperStruct00.var_1_10 [L64] WrapperStruct00.var_1_7 = WrapperStruct00.var_1_10 [L66] EXPR WrapperStruct00.var_1_16 [L66] WrapperStruct00.var_1_15 = WrapperStruct00.var_1_16 [L67] EXPR WrapperStruct00.var_1_2 [L67] EXPR WrapperStruct00.var_1_3 [L67] EXPR WrapperStruct00.var_1_15 [L67] EXPR WrapperStruct00.var_1_16 [L67] EXPR (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16) [L67] COND FALSE !(((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) [L70] EXPR WrapperStruct00.var_1_6 [L70] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_6 [L72] EXPR WrapperStruct00.var_1_1 [L72] unsigned char stepLocal_1 = WrapperStruct00.var_1_1; [L73] EXPR WrapperStruct00.var_1_12 [L73] COND TRUE 2.75f > WrapperStruct00.var_1_12 [L74] EXPR WrapperStruct00.var_1_10 [L74] EXPR WrapperStruct00.var_1_8 [L74] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8) [L118] RET step() [L119] CALL, EXPR property() [L109] EXPR WrapperStruct00.var_1_2 [L109] EXPR WrapperStruct00.var_1_3 [L109] EXPR WrapperStruct00.var_1_15 [L109] EXPR WrapperStruct00.var_1_16 [L109] EXPR (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16) [L109] EXPR (((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) [L109] EXPR WrapperStruct00.var_1_1 [L109] EXPR WrapperStruct00.var_1_6 [L109] EXPR (((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) [L109] EXPR ((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10))) [L109] EXPR WrapperStruct00.var_1_2 [L109] EXPR WrapperStruct00.var_1_14 [L109] EXPR ((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14) [L109] EXPR WrapperStruct00.var_1_14 [L109] EXPR ((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14) [L109] EXPR (WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)) [L109] EXPR WrapperStruct00.var_1_7 [L109] EXPR WrapperStruct00.var_1_10 [L109] EXPR (WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)) [L109] EXPR ((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10))) [L109] EXPR (((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1)) [L109] EXPR WrapperStruct00.var_1_12 [L109] EXPR (2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1) [L109] EXPR WrapperStruct00.var_1_13 [L109] EXPR WrapperStruct00.var_1_14 [L109] EXPR WrapperStruct00.var_1_8 [L109] EXPR ((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8) [L109] EXPR WrapperStruct00.var_1_8 [L109] EXPR ((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8) [L109] EXPR WrapperStruct00.var_1_1 [L109] EXPR ((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1 [L109] EXPR WrapperStruct00.var_1_11 [L109] EXPR WrapperStruct00.var_1_8 [L109] EXPR ((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5)) [L109] EXPR WrapperStruct00.var_1_8 [L109] EXPR ((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5)) [L109] EXPR WrapperStruct00.var_1_10 [L109] EXPR ((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10) [L109] EXPR WrapperStruct00.var_1_8 [L109] EXPR ((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5)) [L109] EXPR WrapperStruct00.var_1_8 [L109] EXPR ((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5)) [L109] EXPR ((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10) [L109] EXPR ((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1 [L109] EXPR (2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1) [L109] EXPR (((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1)) [L109] EXPR ((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1))) && (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_8)) [L109] EXPR (((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1))) && (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_15 == ((signed long int) WrapperStruct00.var_1_16)) [L109] EXPR ((((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1))) && (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_15 == ((signed long int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_16 == ((signed short int) WrapperStruct00.var_1_14)) [L109-L110] return ((((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) ^ (WrapperStruct00.var_1_15 * WrapperStruct00.var_1_16)) <= -64) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_2 <= ((((WrapperStruct00.var_1_14) < 0 ) ? -(WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_14)))) ? (WrapperStruct00.var_1_7 == ((signed char) ((WrapperStruct00.var_1_8 - (1 + WrapperStruct00.var_1_9)) + WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_10)))) && ((2.75f > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((signed char) (WrapperStruct00.var_1_10 + WrapperStruct00.var_1_8))) : (((WrapperStruct00.var_1_13 - ((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_8)))) > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed char) ((((((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) < (WrapperStruct00.var_1_10)) ? (((((WrapperStruct00.var_1_8) < ((1 + 5))) ? (WrapperStruct00.var_1_8) : ((1 + 5))))) : (WrapperStruct00.var_1_10))))) : 1))) && (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_15 == ((signed long int) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_16 == ((signed short int) WrapperStruct00.var_1_14)) ; [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:01:51,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/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_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1208277e71e1c3dcb7bf16b04051e4f527abbe326e9bfc724844bd2d70dc86a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:54,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:54,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:01:54,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:54,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:54,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:54,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:54,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:54,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:54,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:54,399 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:54,400 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:54,401 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:54,402 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:54,403 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:54,404 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:54,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:54,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:54,406 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:01:54,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:01:54,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:54,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:54,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:54,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:54,410 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:01:54,411 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:01:54,412 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:01:54,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:01:54,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:54,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:54,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:54,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:01:54,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:54,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:54,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:54,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:54,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:54,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:54,418 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:01:54,420 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:01:54,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:54,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:54,421 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:54,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:54,421 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_a319153c-635e-49bd-9531-78a06fcbac44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1208277e71e1c3dcb7bf16b04051e4f527abbe326e9bfc724844bd2d70dc86a [2023-11-25 00:01:54,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:54,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:54,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:54,898 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:54,900 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:54,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i [2023-11-25 00:01:58,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:58,692 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:58,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i [2023-11-25 00:01:58,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/data/ef1a1f366/9d83ad72fd5241438e4eff66fb145309/FLAGc4cba49d8 [2023-11-25 00:01:58,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/data/ef1a1f366/9d83ad72fd5241438e4eff66fb145309 [2023-11-25 00:01:58,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:58,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:58,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:58,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:58,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:58,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:58" (1/1) ... [2023-11-25 00:01:58,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f81cb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:58, skipping insertion in model container [2023-11-25 00:01:58,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:58" (1/1) ... [2023-11-25 00:01:58,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:59,014 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i[916,929] [2023-11-25 00:01:59,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:59,161 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:59,179 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_a319153c-635e-49bd-9531-78a06fcbac44/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-37.i[916,929] [2023-11-25 00:01:59,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:59,308 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:59,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59 WrapperNode [2023-11-25 00:01:59,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:59,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:59,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:59,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:59,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (1/1) ... [2023-11-25 00:01:59,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (1/1) ... [2023-11-25 00:01:59,421 INFO L138 Inliner]: procedures = 36, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 386 [2023-11-25 00:01:59,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:59,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:59,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:59,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:59,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (1/1) ... [2023-11-25 00:01:59,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (1/1) ... [2023-11-25 00:01:59,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (1/1) ... [2023-11-25 00:01:59,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (1/1) ... [2023-11-25 00:01:59,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (1/1) ... [2023-11-25 00:01:59,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (1/1) ... [2023-11-25 00:01:59,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (1/1) ... [2023-11-25 00:01:59,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (1/1) ... [2023-11-25 00:01:59,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:59,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:59,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:59,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:59,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (1/1) ... [2023-11-25 00:01:59,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:59,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:59,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:59,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:01:59,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-25 00:01:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:01:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-25 00:01:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-25 00:01:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-25 00:01:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-25 00:01:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-25 00:01:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-25 00:01:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:01:59,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:01:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:59,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:01:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-25 00:01:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-25 00:01:59,820 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:59,823 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:02:00,508 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:02:00,597 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:02:00,597 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:02:00,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:00 BoogieIcfgContainer [2023-11-25 00:02:00,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:02:00,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:02:00,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:02:00,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:02:00,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:58" (1/3) ... [2023-11-25 00:02:00,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a942cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:00, skipping insertion in model container [2023-11-25 00:02:00,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:59" (2/3) ... [2023-11-25 00:02:00,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a942cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:00, skipping insertion in model container [2023-11-25 00:02:00,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:00" (3/3) ... [2023-11-25 00:02:00,613 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-37.i [2023-11-25 00:02:00,635 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:02:00,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:02:00,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:02:00,714 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;@73819f67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:02:00,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:02:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 73 states have internal predecessors, (103), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:02:00,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-25 00:02:00,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:00,740 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:00,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:00,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:00,746 INFO L85 PathProgramCache]: Analyzing trace with hash -520379191, now seen corresponding path program 1 times [2023-11-25 00:02:00,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:00,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875381847] [2023-11-25 00:02:00,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:00,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:00,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:00,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:00,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-25 00:02:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:01,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:02:01,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:01,139 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-25 00:02:01,140 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:01,141 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:01,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875381847] [2023-11-25 00:02:01,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875381847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:01,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:01,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:01,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867272281] [2023-11-25 00:02:01,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:01,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:02:01,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:01,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:02:01,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:02:01,207 INFO L87 Difference]: Start difference. First operand has 90 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 73 states have internal predecessors, (103), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-25 00:02:01,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:01,255 INFO L93 Difference]: Finished difference Result 177 states and 279 transitions. [2023-11-25 00:02:01,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:02:01,258 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 117 [2023-11-25 00:02:01,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:01,266 INFO L225 Difference]: With dead ends: 177 [2023-11-25 00:02:01,267 INFO L226 Difference]: Without dead ends: 88 [2023-11-25 00:02:01,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:02:01,275 INFO L413 NwaCegarLoop]: 124 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, 124 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 [2023-11-25 00:02:01,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:01,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-25 00:02:01,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-25 00:02:01,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 71 states have (on average 1.380281690140845) internal successors, (98), 71 states have internal predecessors, (98), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:02:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 128 transitions. [2023-11-25 00:02:01,345 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 128 transitions. Word has length 117 [2023-11-25 00:02:01,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:01,345 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 128 transitions. [2023-11-25 00:02:01,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-25 00:02:01,346 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 128 transitions. [2023-11-25 00:02:01,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-25 00:02:01,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:01,350 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:01,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-25 00:02:01,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:01,558 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:01,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:01,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1290725147, now seen corresponding path program 1 times [2023-11-25 00:02:01,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:01,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806663696] [2023-11-25 00:02:01,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:01,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:01,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:01,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:01,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-25 00:02:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:01,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:02:01,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-25 00:02:01,933 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:01,933 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:01,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806663696] [2023-11-25 00:02:01,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806663696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:01,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:01,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:02:01,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281803439] [2023-11-25 00:02:01,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:01,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:02:01,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:01,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:02:01,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:02:01,939 INFO L87 Difference]: Start difference. First operand 88 states and 128 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:02:02,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:02,067 INFO L93 Difference]: Finished difference Result 196 states and 285 transitions. [2023-11-25 00:02:02,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:02:02,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 117 [2023-11-25 00:02:02,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:02,072 INFO L225 Difference]: With dead ends: 196 [2023-11-25 00:02:02,072 INFO L226 Difference]: Without dead ends: 109 [2023-11-25 00:02:02,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:02:02,075 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 46 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:02,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 474 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:02:02,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-25 00:02:02,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 92. [2023-11-25 00:02:02,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:02:02,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 132 transitions. [2023-11-25 00:02:02,092 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 132 transitions. Word has length 117 [2023-11-25 00:02:02,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:02,094 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 132 transitions. [2023-11-25 00:02:02,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:02:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 132 transitions. [2023-11-25 00:02:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-25 00:02:02,097 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:02,098 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:02,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:02,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:02,304 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:02,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:02,305 INFO L85 PathProgramCache]: Analyzing trace with hash 481378521, now seen corresponding path program 1 times [2023-11-25 00:02:02,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:02,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548741193] [2023-11-25 00:02:02,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:02,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:02,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:02,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:02,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-25 00:02:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:02,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:02:02,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-25 00:02:02,693 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:02,694 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:02,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548741193] [2023-11-25 00:02:02,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548741193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:02,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:02,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-25 00:02:02,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777670953] [2023-11-25 00:02:02,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:02,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:02:02,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:02,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:02:02,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:02:02,699 INFO L87 Difference]: Start difference. First operand 92 states and 132 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:02:02,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:02,867 INFO L93 Difference]: Finished difference Result 203 states and 290 transitions. [2023-11-25 00:02:02,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-25 00:02:02,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 117 [2023-11-25 00:02:02,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:02,870 INFO L225 Difference]: With dead ends: 203 [2023-11-25 00:02:02,871 INFO L226 Difference]: Without dead ends: 112 [2023-11-25 00:02:02,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-25 00:02:02,874 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 49 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:02,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 586 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:02:02,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-25 00:02:02,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 94. [2023-11-25 00:02:02,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:02:02,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 134 transitions. [2023-11-25 00:02:02,889 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 134 transitions. Word has length 117 [2023-11-25 00:02:02,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:02,890 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 134 transitions. [2023-11-25 00:02:02,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:02:02,890 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2023-11-25 00:02:02,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-25 00:02:02,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:02,893 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:02,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:03,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:03,100 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:03,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:03,100 INFO L85 PathProgramCache]: Analyzing trace with hash 538636823, now seen corresponding path program 1 times [2023-11-25 00:02:03,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:03,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282214806] [2023-11-25 00:02:03,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:03,102 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:03,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:03,104 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:03,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-25 00:02:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:03,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-25 00:02:03,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-25 00:02:03,451 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:03,465 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:03,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282214806] [2023-11-25 00:02:03,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282214806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:03,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:03,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-25 00:02:03,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133477165] [2023-11-25 00:02:03,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:03,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-25 00:02:03,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:03,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-25 00:02:03,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:02:03,479 INFO L87 Difference]: Start difference. First operand 94 states and 134 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:02:03,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:03,711 INFO L93 Difference]: Finished difference Result 206 states and 290 transitions. [2023-11-25 00:02:03,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-25 00:02:03,712 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 117 [2023-11-25 00:02:03,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:03,715 INFO L225 Difference]: With dead ends: 206 [2023-11-25 00:02:03,715 INFO L226 Difference]: Without dead ends: 113 [2023-11-25 00:02:03,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-25 00:02:03,718 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 40 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:03,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 692 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:02:03,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-25 00:02:03,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 96. [2023-11-25 00:02:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 79 states have internal predecessors, (106), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:02:03,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 136 transitions. [2023-11-25 00:02:03,733 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 136 transitions. Word has length 117 [2023-11-25 00:02:03,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:03,734 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 136 transitions. [2023-11-25 00:02:03,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-25 00:02:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2023-11-25 00:02:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-25 00:02:03,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:03,745 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:03,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:03,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:03,952 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:03,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:03,953 INFO L85 PathProgramCache]: Analyzing trace with hash 538696405, now seen corresponding path program 1 times [2023-11-25 00:02:03,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:03,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436104603] [2023-11-25 00:02:03,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:03,954 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:03,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:03,956 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:03,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-25 00:02:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:04,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-25 00:02:04,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:04,393 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 [2023-11-25 00:02:04,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-25 00:02:04,746 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:04,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-25 00:02:04,953 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 36 treesize of output 38 [2023-11-25 00:02:05,658 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:05,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 62 treesize of output 46 [2023-11-25 00:02:06,038 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:06,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 57 treesize of output 56 [2023-11-25 00:02:06,594 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:06,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 59 [2023-11-25 00:02:06,907 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:06,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 59 [2023-11-25 00:02:07,421 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:07,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 83 [2023-11-25 00:02:07,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:07,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 87 treesize of output 39 [2023-11-25 00:02:07,979 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 281 proven. 63 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-25 00:02:07,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:02:08,750 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:08,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436104603] [2023-11-25 00:02:08,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436104603] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:02:08,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1277314994] [2023-11-25 00:02:08,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:08,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:08,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:02:08,756 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:02:08,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-25 00:02:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:09,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-25 00:02:09,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:09,625 INFO L349 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2023-11-25 00:02:09,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2023-11-25 00:02:10,401 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-25 00:02:10,402 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 1 case distinctions, treesize of input 45 treesize of output 32 [2023-11-25 00:02:10,759 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-25 00:02:10,760 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 1 case distinctions, treesize of input 42 treesize of output 40 [2023-11-25 00:02:11,253 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-25 00:02:11,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 38 [2023-11-25 00:02:12,225 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-25 00:02:12,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 50 [2023-11-25 00:02:12,631 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-25 00:02:12,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 50 [2023-11-25 00:02:13,006 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-25 00:02:13,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 50 [2023-11-25 00:02:13,286 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-25 00:02:13,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 50 [2023-11-25 00:02:13,691 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-25 00:02:13,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 70 [2023-11-25 00:02:14,216 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:14,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 48 [2023-11-25 00:02:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 227 proven. 63 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-25 00:02:14,334 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:02:14,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1277314994] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:02:14,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867030832] [2023-11-25 00:02:14,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:14,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:14,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:14,804 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:02:14,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-25 00:02:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:15,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-25 00:02:15,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:15,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-25 00:02:15,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-25 00:02:15,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:15,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2023-11-25 00:02:15,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:15,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 46 treesize of output 51 [2023-11-25 00:02:16,257 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:16,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-25 00:02:16,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:16,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-25 00:02:16,753 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:16,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 54 [2023-11-25 00:02:17,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 78 [2023-11-25 00:02:17,563 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:17,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 97 treesize of output 43 [2023-11-25 00:02:17,650 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 274 proven. 42 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-25 00:02:17,650 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:02:17,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867030832] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:02:17,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-25 00:02:17,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 12] total 34 [2023-11-25 00:02:17,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81560954] [2023-11-25 00:02:17,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-25 00:02:17,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-25 00:02:17,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:17,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-25 00:02:17,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1483, Unknown=0, NotChecked=0, Total=1806 [2023-11-25 00:02:17,914 INFO L87 Difference]: Start difference. First operand 96 states and 136 transitions. Second operand has 34 states, 30 states have (on average 4.166666666666667) internal successors, (125), 32 states have internal predecessors, (125), 14 states have call successors, (43), 13 states have call predecessors, (43), 14 states have return successors, (43), 10 states have call predecessors, (43), 14 states have call successors, (43) [2023-11-25 00:02:28,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:28,406 INFO L93 Difference]: Finished difference Result 226 states and 299 transitions. [2023-11-25 00:02:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-25 00:02:28,409 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 30 states have (on average 4.166666666666667) internal successors, (125), 32 states have internal predecessors, (125), 14 states have call successors, (43), 13 states have call predecessors, (43), 14 states have return successors, (43), 10 states have call predecessors, (43), 14 states have call successors, (43) Word has length 117 [2023-11-25 00:02:28,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:28,411 INFO L225 Difference]: With dead ends: 226 [2023-11-25 00:02:28,411 INFO L226 Difference]: Without dead ends: 131 [2023-11-25 00:02:28,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 545 SyntacticMatches, 6 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1789 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=1227, Invalid=4779, Unknown=0, NotChecked=0, Total=6006 [2023-11-25 00:02:28,416 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 618 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:28,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 546 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-11-25 00:02:28,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-25 00:02:28,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 124. [2023-11-25 00:02:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 100 states have (on average 1.25) internal successors, (125), 100 states have internal predecessors, (125), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-25 00:02:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 155 transitions. [2023-11-25 00:02:28,457 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 155 transitions. Word has length 117 [2023-11-25 00:02:28,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:28,459 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 155 transitions. [2023-11-25 00:02:28,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 30 states have (on average 4.166666666666667) internal successors, (125), 32 states have internal predecessors, (125), 14 states have call successors, (43), 13 states have call predecessors, (43), 14 states have return successors, (43), 10 states have call predecessors, (43), 14 states have call successors, (43) [2023-11-25 00:02:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 155 transitions. [2023-11-25 00:02:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-25 00:02:28,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:28,463 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:28,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:28,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:28,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:29,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:02:29,069 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:29,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:29,070 INFO L85 PathProgramCache]: Analyzing trace with hash -278952045, now seen corresponding path program 1 times [2023-11-25 00:02:29,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:29,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101926443] [2023-11-25 00:02:29,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:29,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:29,072 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:29,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a319153c-635e-49bd-9531-78a06fcbac44/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-25 00:02:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:29,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-25 00:02:29,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:29,416 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 [2023-11-25 00:02:29,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-25 00:02:29,847 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:29,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-25 00:02:30,081 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 52 treesize of output 33 [2023-11-25 00:02:31,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-25 00:02:31,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 79 treesize of output 66