./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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_59aa51cc-036a-4863-8757-37a637d6495b/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 088876b530f5f297c2ed6ed519f2eb16dca02821d727525deef88d098a188170 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:56:57,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:56:57,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:56:57,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:56:57,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:56:57,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:56:57,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:56:57,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:56:57,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:56:57,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:56:57,465 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:56:57,466 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:56:57,467 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:56:57,469 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:56:57,469 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:56:57,470 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:56:57,470 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:56:57,470 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:56:57,471 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:56:57,472 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:56:57,474 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:56:57,474 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:56:57,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:56:57,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:56:57,476 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:56:57,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:56:57,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:56:57,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:56:57,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:56:57,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:56:57,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:56:57,479 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:56:57,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:56:57,479 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:56:57,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:56:57,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:56:57,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:56:57,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:57,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:56:57,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:56:57,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:56:57,481 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:56:57,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:56:57,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:56:57,482 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:56:57,482 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:56:57,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:56:57,483 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_59aa51cc-036a-4863-8757-37a637d6495b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 088876b530f5f297c2ed6ed519f2eb16dca02821d727525deef88d098a188170 [2023-11-24 23:56:57,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:56:57,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:56:57,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:56:57,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:56:57,848 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:56:57,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-69.i [2023-11-24 23:57:01,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:01,327 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:01,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-69.i [2023-11-24 23:57:01,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/data/486966d7f/ff6ddd7f40fb474b83f854e75a22db17/FLAG13d43e523 [2023-11-24 23:57:01,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/data/486966d7f/ff6ddd7f40fb474b83f854e75a22db17 [2023-11-24 23:57:01,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:01,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:01,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:01,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:01,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:01,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44353dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01, skipping insertion in model container [2023-11-24 23:57:01,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:01,555 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_59aa51cc-036a-4863-8757-37a637d6495b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-69.i[916,929] [2023-11-24 23:57:01,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:01,621 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:01,634 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_59aa51cc-036a-4863-8757-37a637d6495b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-69.i[916,929] [2023-11-24 23:57:01,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:01,699 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:01,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01 WrapperNode [2023-11-24 23:57:01,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:01,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:01,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:01,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:01,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,783 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 409 [2023-11-24 23:57:01,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:01,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:01,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:01,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:01,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:01,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:01,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:01,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:01,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (1/1) ... [2023-11-24 23:57:01,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:01,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:01,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:01,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:57:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:57:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:57:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:57:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:57:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:57:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:57:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:57:01,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:02,054 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:02,057 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:02,659 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:03,442 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:03,443 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:03,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:03 BoogieIcfgContainer [2023-11-24 23:57:03,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:03,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:03,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:03,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:03,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:01" (1/3) ... [2023-11-24 23:57:03,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc830cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:03, skipping insertion in model container [2023-11-24 23:57:03,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:01" (2/3) ... [2023-11-24 23:57:03,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc830cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:03, skipping insertion in model container [2023-11-24 23:57:03,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:03" (3/3) ... [2023-11-24 23:57:03,459 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-69.i [2023-11-24 23:57:03,481 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:03,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:03,545 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:03,553 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;@70ad4166, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:03,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:03,558 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) [2023-11-24 23:57:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 23:57:03,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:03,571 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] [2023-11-24 23:57:03,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:03,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:03,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1602380221, now seen corresponding path program 1 times [2023-11-24 23:57:03,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:03,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183116147] [2023-11-24 23:57:03,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:03,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:03,848 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:57:03,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [470676406] [2023-11-24 23:57:03,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:03,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:03,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:03,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:57:03,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:57:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:05,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:57:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:08,521 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:57:08,524 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:57:08,525 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:57:08,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:08,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:08,743 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:57:08,748 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:08,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:57:08,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:57:08,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:57:08,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:57:08,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:57:08,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:57:08,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:57:08,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-24 23:57:08,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:57:08,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:57:08,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:57:08,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:57:08,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:57:08,792 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:57:08,792 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-24 23:57:08,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-24 23:57:08,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:57:08,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-24 23:57:08,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:57:08,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:57:08,795 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:57:08,795 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-24 23:57:08,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:57:08,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:57:08,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:57:08,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:57:08,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:57:08,798 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:57:08,798 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:57:08,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:57:08,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:57:08,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-24 23:57:08,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-24 23:57:08,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:57:08,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-24 23:57:08,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:57:08,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:57:08,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-24 23:57:08,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-24 23:57:08,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:57:08,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-24 23:57:08,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:57:08,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:08 BoogieIcfgContainer [2023-11-24 23:57:08,822 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:08,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:08,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:08,823 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:08,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:03" (3/4) ... [2023-11-24 23:57:08,826 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:57:08,827 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:08,828 INFO L158 Benchmark]: Toolchain (without parser) took 7469.49ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 116.7MB in the beginning and 110.7MB in the end (delta: 6.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:08,829 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:08,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.29ms. Allocated memory is still 148.9MB. Free memory was 116.3MB in the beginning and 100.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:08,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.98ms. Allocated memory is still 148.9MB. Free memory was 100.9MB in the beginning and 97.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:08,831 INFO L158 Benchmark]: Boogie Preprocessor took 66.83ms. Allocated memory is still 148.9MB. Free memory was 97.3MB in the beginning and 94.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:08,832 INFO L158 Benchmark]: RCFGBuilder took 1594.27ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 94.2MB in the beginning and 111.8MB in the end (delta: -17.7MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:08,833 INFO L158 Benchmark]: TraceAbstraction took 5372.43ms. Allocated memory is still 180.4MB. Free memory was 110.8MB in the beginning and 110.7MB in the end (delta: 96.4kB). Peak memory consumption was 96.4kB. Max. memory is 16.1GB. [2023-11-24 23:57:08,833 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 180.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:08,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.29ms. Allocated memory is still 148.9MB. Free memory was 116.3MB in the beginning and 100.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.98ms. Allocated memory is still 148.9MB. Free memory was 100.9MB in the beginning and 97.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.83ms. Allocated memory is still 148.9MB. Free memory was 97.3MB in the beginning and 94.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1594.27ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 94.2MB in the beginning and 111.8MB in the end (delta: -17.7MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5372.43ms. Allocated memory is still 180.4MB. Free memory was 110.8MB in the beginning and 110.7MB in the end (delta: 96.4kB). Peak memory consumption was 96.4kB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 180.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 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~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 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~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 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~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 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~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 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~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 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~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 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 someBinaryDOUBLEComparisonOperation at line 118. Possible FailurePath: [L35] unsigned char isInitial = 0; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -100, 0, 8, 256, 500, -64, -8, 0, 0, 4.625, 15.5 }; [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] FCALL updateLastVariables() [L126] CALL updateVariables() [L91] WrapperStruct00.var_1_2 = __VERIFIER_nondet_ulong() [L92] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967295) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967295) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] WrapperStruct00.var_1_3 = __VERIFIER_nondet_ulong() [L95] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 4294967295) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 4294967295) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_4 = __VERIFIER_nondet_ulong() [L98] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 4294967295) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 4294967295) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_5 = __VERIFIER_nondet_ulong() [L101] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 4294967295) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 4294967295) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] WrapperStruct00.var_1_8 = __VERIFIER_nondet_char() [L104] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L107] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L110] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L112] WrapperStruct00.var_1_13 = __VERIFIER_nondet_double() [L113] EXPR WrapperStruct00.var_1_13 [L113] EXPR WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L113] EXPR WrapperStruct00.var_1_13 [L113] EXPR WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L113] EXPR (WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L126] RET updateVariables() [L127] CALL step() [L52] EXPR WrapperStruct00.var_1_2 [L52] EXPR WrapperStruct00.var_1_4 [L52] EXPR WrapperStruct00.var_1_5 [L52] EXPR WrapperStruct00.var_1_3 [L52] EXPR (((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3) [L52] EXPR WrapperStruct00.var_1_3 [L52] EXPR (((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3) [L52] COND FALSE !(WrapperStruct00.var_1_2 < (((((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3)))) [L55] EXPR WrapperStruct00.var_1_9 [L55] WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10 [L55] COND TRUE WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10 [L56] EXPR WrapperStruct00.var_1_8 [L56] WrapperStruct00.var_1_7 = WrapperStruct00.var_1_8 [L65] EXPR WrapperStruct00.var_1_5 [L65] unsigned long int stepLocal_1 = WrapperStruct00.var_1_5; [L66] EXPR WrapperStruct00.var_1_2 [L66] EXPR WrapperStruct00.var_1_3 [L66] EXPR WrapperStruct00.var_1_4 [L66] EXPR ((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4) [L66] EXPR WrapperStruct00.var_1_4 [L66] EXPR ((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4) [L66] unsigned long int stepLocal_0 = WrapperStruct00.var_1_2 * ((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4))); [L67] EXPR WrapperStruct00.var_1_5 [L67] COND FALSE !(stepLocal_0 < WrapperStruct00.var_1_5) [L74] EXPR WrapperStruct00.var_1_9 [L74] unsigned char stepLocal_3 = WrapperStruct00.var_1_9; [L75] EXPR WrapperStruct00.var_1_1 [L75] EXPR WrapperStruct00.var_1_7 [L75] signed long int stepLocal_2 = WrapperStruct00.var_1_1 + WrapperStruct00.var_1_7; [L76] EXPR WrapperStruct00.var_1_7 [L76] EXPR WrapperStruct00.var_1_8 [L76] EXPR WrapperStruct00.var_1_4 [L76] COND FALSE !(((WrapperStruct00.var_1_7 + WrapperStruct00.var_1_8) == WrapperStruct00.var_1_4) && stepLocal_3) [L87] EXPR WrapperStruct00.var_1_13 [L87] WrapperStruct00.var_1_11 = WrapperStruct00.var_1_13 [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR WrapperStruct00.var_1_2 [L118] EXPR WrapperStruct00.var_1_3 [L118] EXPR WrapperStruct00.var_1_4 [L118] EXPR ((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4) [L118] EXPR WrapperStruct00.var_1_4 [L118] EXPR ((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4) [L118] EXPR WrapperStruct00.var_1_5 [L118] EXPR ((WrapperStruct00.var_1_2 * ((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4)))) < WrapperStruct00.var_1_5) ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7))) : 1 [L118] EXPR (((WrapperStruct00.var_1_2 * ((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4)))) < WrapperStruct00.var_1_5) ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7))) : 1) && ((WrapperStruct00.var_1_2 < (((((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3)))) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_7 == ((signed char) -4))))) [L118] EXPR WrapperStruct00.var_1_2 [L118] EXPR WrapperStruct00.var_1_4 [L118] EXPR WrapperStruct00.var_1_5 [L118] EXPR WrapperStruct00.var_1_3 [L118] EXPR (((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3) [L118] EXPR WrapperStruct00.var_1_3 [L118] EXPR (((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3) [L118] EXPR (WrapperStruct00.var_1_2 < (((((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3)))) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_7 == ((signed char) -4)))) [L118] EXPR WrapperStruct00.var_1_9 [L118] EXPR WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10 [L118] EXPR (WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_7 == ((signed char) -4))) [L118] EXPR WrapperStruct00.var_1_7 [L118] EXPR WrapperStruct00.var_1_8 [L118] EXPR (WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_7 == ((signed char) -4))) [L118] EXPR (WrapperStruct00.var_1_2 < (((((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3)))) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_7 == ((signed char) -4)))) [L118] EXPR (((WrapperStruct00.var_1_2 * ((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4)))) < WrapperStruct00.var_1_5) ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7))) : 1) && ((WrapperStruct00.var_1_2 < (((((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3)))) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_7 == ((signed char) -4))))) [L118] EXPR ((((WrapperStruct00.var_1_2 * ((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4)))) < WrapperStruct00.var_1_5) ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7))) : 1) && ((WrapperStruct00.var_1_2 < (((((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3)))) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_7 == ((signed char) -4)))))) && ((((WrapperStruct00.var_1_7 + WrapperStruct00.var_1_8) == WrapperStruct00.var_1_4) && WrapperStruct00.var_1_9) ? ((! WrapperStruct00.var_1_10) ? (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_7) != WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) [L118] EXPR WrapperStruct00.var_1_7 [L118] EXPR WrapperStruct00.var_1_8 [L118] EXPR WrapperStruct00.var_1_4 [L118] EXPR ((WrapperStruct00.var_1_7 + WrapperStruct00.var_1_8) == WrapperStruct00.var_1_4) && WrapperStruct00.var_1_9 [L118] EXPR (((WrapperStruct00.var_1_7 + WrapperStruct00.var_1_8) == WrapperStruct00.var_1_4) && WrapperStruct00.var_1_9) ? ((! WrapperStruct00.var_1_10) ? (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_7) != WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13)) [L118] EXPR WrapperStruct00.var_1_11 [L118] EXPR WrapperStruct00.var_1_13 [L118] EXPR (((WrapperStruct00.var_1_7 + WrapperStruct00.var_1_8) == WrapperStruct00.var_1_4) && WrapperStruct00.var_1_9) ? ((! WrapperStruct00.var_1_10) ? (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_7) != WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13)) [L118] EXPR ((((WrapperStruct00.var_1_2 * ((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4)))) < WrapperStruct00.var_1_5) ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7))) : 1) && ((WrapperStruct00.var_1_2 < (((((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3)))) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_7 == ((signed char) -4)))))) && ((((WrapperStruct00.var_1_7 + WrapperStruct00.var_1_8) == WrapperStruct00.var_1_4) && WrapperStruct00.var_1_9) ? ((! WrapperStruct00.var_1_10) ? (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_7) != WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) [L118-L119] return ((((WrapperStruct00.var_1_2 * ((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4)))) < WrapperStruct00.var_1_5) ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_7))) : 1) && ((WrapperStruct00.var_1_2 < (((((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) > (WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_4 * WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_3)))) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_9 || WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : ((WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_7 == ((signed char) WrapperStruct00.var_1_8)) : (WrapperStruct00.var_1_7 == ((signed char) -4)))))) && ((((WrapperStruct00.var_1_7 + WrapperStruct00.var_1_8) == WrapperStruct00.var_1_4) && WrapperStruct00.var_1_9) ? ((! WrapperStruct00.var_1_10) ? (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_7) != WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13)) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_13))) ; [L128] RET, EXPR property() [L128] 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: 5.2s, 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, 1.7s 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 [2023-11-24 23:57:08,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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_59aa51cc-036a-4863-8757-37a637d6495b/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 088876b530f5f297c2ed6ed519f2eb16dca02821d727525deef88d098a188170 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:11,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:11,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:57:11,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:11,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:11,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:11,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:11,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:11,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:11,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:11,864 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:11,865 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:11,865 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:11,871 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:11,871 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:11,872 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:11,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:11,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:11,874 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:57:11,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:57:11,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:11,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:11,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:11,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:11,877 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:57:11,878 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:57:11,878 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:57:11,879 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:57:11,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:11,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:11,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:11,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:57:11,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:11,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:11,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:11,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:11,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:11,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:11,883 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:57:11,884 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:11,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:11,885 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:11,885 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:11,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:11,886 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_59aa51cc-036a-4863-8757-37a637d6495b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 088876b530f5f297c2ed6ed519f2eb16dca02821d727525deef88d098a188170 [2023-11-24 23:57:12,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:12,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:12,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:12,283 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:12,283 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:12,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-69.i [2023-11-24 23:57:15,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:15,872 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:15,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-69.i [2023-11-24 23:57:15,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/data/e2f404cd5/d1dd24a652bf402a9efb63d50794de9e/FLAGa3d3afecc [2023-11-24 23:57:15,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/data/e2f404cd5/d1dd24a652bf402a9efb63d50794de9e [2023-11-24 23:57:15,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:15,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:15,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:15,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:15,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:15,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:15" (1/1) ... [2023-11-24 23:57:15,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d8d33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:15, skipping insertion in model container [2023-11-24 23:57:15,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:15" (1/1) ... [2023-11-24 23:57:15,970 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:16,184 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_59aa51cc-036a-4863-8757-37a637d6495b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-69.i[916,929] [2023-11-24 23:57:16,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:16,290 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:16,311 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_59aa51cc-036a-4863-8757-37a637d6495b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-69.i[916,929] [2023-11-24 23:57:16,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:16,420 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:16,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16 WrapperNode [2023-11-24 23:57:16,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:16,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:16,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:16,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:16,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (1/1) ... [2023-11-24 23:57:16,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (1/1) ... [2023-11-24 23:57:16,589 INFO L138 Inliner]: procedures = 36, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 408 [2023-11-24 23:57:16,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:16,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:16,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:16,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:16,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (1/1) ... [2023-11-24 23:57:16,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (1/1) ... [2023-11-24 23:57:16,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (1/1) ... [2023-11-24 23:57:16,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (1/1) ... [2023-11-24 23:57:16,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (1/1) ... [2023-11-24 23:57:16,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (1/1) ... [2023-11-24 23:57:16,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (1/1) ... [2023-11-24 23:57:16,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (1/1) ... [2023-11-24 23:57:16,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:16,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:16,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:16,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:16,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (1/1) ... [2023-11-24 23:57:16,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:16,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:16,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:16,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:57:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:57:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:57:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-24 23:57:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:57:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:57:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:57:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:57:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 23:57:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:57:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:57:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:57:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 23:57:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:57:16,954 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:16,957 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:17,907 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:17,975 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:17,976 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:17,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:17 BoogieIcfgContainer [2023-11-24 23:57:17,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:17,979 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:17,980 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:17,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:17,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:15" (1/3) ... [2023-11-24 23:57:17,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c284276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:17, skipping insertion in model container [2023-11-24 23:57:17,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:16" (2/3) ... [2023-11-24 23:57:17,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c284276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:17, skipping insertion in model container [2023-11-24 23:57:17,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:17" (3/3) ... [2023-11-24 23:57:17,989 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-69.i [2023-11-24 23:57:18,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:18,008 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:18,052 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:18,058 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;@4f42bd57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:18,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:18,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 70 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) [2023-11-24 23:57:18,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-24 23:57:18,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:18,076 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] [2023-11-24 23:57:18,078 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:18,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:18,091 INFO L85 PathProgramCache]: Analyzing trace with hash 710784747, now seen corresponding path program 1 times [2023-11-24 23:57:18,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:18,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108765355] [2023-11-24 23:57:18,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:18,108 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 [2023-11-24 23:57:18,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:18,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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) [2023-11-24 23:57:18,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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 [2023-11-24 23:57:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:18,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:57:18,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:18,610 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-24 23:57:18,619 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:18,620 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:18,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108765355] [2023-11-24 23:57:18,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108765355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:18,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:18,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:57:18,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200273076] [2023-11-24 23:57:18,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:18,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:57:18,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:18,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:57:18,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:57:18,669 INFO L87 Difference]: Start difference. First operand has 87 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 70 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) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-11-24 23:57:18,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:18,744 INFO L93 Difference]: Finished difference Result 171 states and 277 transitions. [2023-11-24 23:57:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:57:18,747 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 114 [2023-11-24 23:57:18,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:18,757 INFO L225 Difference]: With dead ends: 171 [2023-11-24 23:57:18,758 INFO L226 Difference]: Without dead ends: 85 [2023-11-24 23:57:18,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:57:18,767 INFO L413 NwaCegarLoop]: 123 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, 123 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:18,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:57:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-24 23:57:18,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-24 23:57:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 68 states have internal predecessors, (97), 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) [2023-11-24 23:57:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2023-11-24 23:57:18,820 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 114 [2023-11-24 23:57:18,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:18,821 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2023-11-24 23:57:18,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-11-24 23:57:18,823 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2023-11-24 23:57:18,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-24 23:57:18,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:18,828 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] [2023-11-24 23:57:18,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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 [2023-11-24 23:57:19,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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 [2023-11-24 23:57:19,036 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:19,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:19,038 INFO L85 PathProgramCache]: Analyzing trace with hash 993285713, now seen corresponding path program 1 times [2023-11-24 23:57:19,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:19,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169910064] [2023-11-24 23:57:19,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:19,041 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 [2023-11-24 23:57:19,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:19,043 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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) [2023-11-24 23:57:19,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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 [2023-11-24 23:57:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:19,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:57:19,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:19,407 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 23:57:19,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:19,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:19,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169910064] [2023-11-24 23:57:19,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169910064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:19,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:19,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:57:19,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055489659] [2023-11-24 23:57:19,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:19,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:57:19,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:19,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:57:19,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:57:19,412 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-24 23:57:19,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:19,502 INFO L93 Difference]: Finished difference Result 189 states and 284 transitions. [2023-11-24 23:57:19,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:57:19,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 114 [2023-11-24 23:57:19,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:19,506 INFO L225 Difference]: With dead ends: 189 [2023-11-24 23:57:19,506 INFO L226 Difference]: Without dead ends: 105 [2023-11-24 23:57:19,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:57:19,509 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 54 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:19,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 372 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:57:19,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-24 23:57:19,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 87. [2023-11-24 23:57:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 70 states have internal predecessors, (99), 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) [2023-11-24 23:57:19,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 129 transitions. [2023-11-24 23:57:19,528 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 129 transitions. Word has length 114 [2023-11-24 23:57:19,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:19,530 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 129 transitions. [2023-11-24 23:57:19,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-24 23:57:19,531 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2023-11-24 23:57:19,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:57:19,533 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:19,533 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] [2023-11-24 23:57:19,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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 [2023-11-24 23:57:19,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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 [2023-11-24 23:57:19,742 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:19,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:19,742 INFO L85 PathProgramCache]: Analyzing trace with hash 2031215478, now seen corresponding path program 1 times [2023-11-24 23:57:19,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:19,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185071654] [2023-11-24 23:57:19,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:19,744 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 [2023-11-24 23:57:19,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:19,748 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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) [2023-11-24 23:57:19,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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 [2023-11-24 23:57:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:20,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:57:20,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:20,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:20,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:57:20,971 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 45 treesize of output 54 [2023-11-24 23:57:24,484 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:57:24,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 24 [2023-11-24 23:57:24,975 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 23:57:24,976 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:24,976 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:24,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185071654] [2023-11-24 23:57:24,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185071654] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:24,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:24,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-24 23:57:24,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023870949] [2023-11-24 23:57:24,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:24,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-24 23:57:24,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:24,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-24 23:57:24,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=65, Unknown=1, NotChecked=0, Total=90 [2023-11-24 23:57:24,990 INFO L87 Difference]: Start difference. First operand 87 states and 129 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 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) [2023-11-24 23:57:30,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:57:32,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:57:34,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:57:37,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:57:39,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:57:41,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:57:43,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:57:45,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:57:47,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:57:49,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:57:57,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:57,340 INFO L93 Difference]: Finished difference Result 270 states and 403 transitions. [2023-11-24 23:57:57,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-24 23:57:57,346 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 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 116 [2023-11-24 23:57:57,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:57,351 INFO L225 Difference]: With dead ends: 270 [2023-11-24 23:57:57,351 INFO L226 Difference]: Without dead ends: 184 [2023-11-24 23:57:57,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=38, Invalid=93, Unknown=1, NotChecked=0, Total=132 [2023-11-24 23:57:57,354 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 196 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:57,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 509 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 528 Invalid, 10 Unknown, 0 Unchecked, 31.5s Time] [2023-11-24 23:57:57,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-24 23:57:57,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 95. [2023-11-24 23:57:57,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 78 states have internal predecessors, (110), 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) [2023-11-24 23:57:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 140 transitions. [2023-11-24 23:57:57,371 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 140 transitions. Word has length 116 [2023-11-24 23:57:57,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:57,372 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 140 transitions. [2023-11-24 23:57:57,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 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) [2023-11-24 23:57:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2023-11-24 23:57:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 23:57:57,382 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:57,382 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] [2023-11-24 23:57:57,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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 [2023-11-24 23:57:57,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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 [2023-11-24 23:57:57,590 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:57,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:57,591 INFO L85 PathProgramCache]: Analyzing trace with hash -2005586380, now seen corresponding path program 1 times [2023-11-24 23:57:57,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:57,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159030764] [2023-11-24 23:57:57,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:57,593 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 [2023-11-24 23:57:57,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:57,596 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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) [2023-11-24 23:57:57,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59aa51cc-036a-4863-8757-37a637d6495b/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 [2023-11-24 23:57:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:58,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:57:58,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:58,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:58,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:57:58,173 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 32 [2023-11-24 23:58:00,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:58:00,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 14 [2023-11-24 23:58:00,289 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 23:58:00,289 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:00,290 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:00,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159030764] [2023-11-24 23:58:00,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159030764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:00,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:00,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-24 23:58:00,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737920767] [2023-11-24 23:58:00,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:00,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:58:00,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:00,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:58:00,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=19, Unknown=1, NotChecked=0, Total=30 [2023-11-24 23:58:00,294 INFO L87 Difference]: Start difference. First operand 95 states and 140 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2023-11-24 23:58:02,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]