./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5 --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 ba1656c506dac43e8e1782550f97cd95196bbd4de44fa7d31ee77969c5bceecc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:58:57,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:58:57,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 18:58:57,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:58:57,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 18:58:57,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:58:57,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 18:58:57,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 18:58:57,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:58:57,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 18:58:57,554 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 18:58:57,554 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 18:58:57,555 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 18:58:57,556 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 18:58:57,556 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 18:58:57,557 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 18:58:57,557 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 18:58:57,558 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 18:58:57,559 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 18:58:57,559 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 18:58:57,560 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 18:58:57,561 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 18:58:57,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:58:57,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:58:57,563 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:58:57,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:58:57,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:58:57,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:58:57,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:58:57,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:58:57,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:58:57,567 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:58:57,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:58:57,568 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:58:57,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:58:57,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 18:58:57,570 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 18:58:57,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:58:57,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:58:57,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:58:57,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:58:57,572 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 18:58:57,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:58:57,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 18:58:57,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:58:57,574 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 18:58:57,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:58:57,574 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_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba1656c506dac43e8e1782550f97cd95196bbd4de44fa7d31ee77969c5bceecc [2023-11-21 18:58:57,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:58:57,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:58:57,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:58:57,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:58:57,881 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:58:57,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i [2023-11-21 18:59:01,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:59:01,339 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:59:01,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i [2023-11-21 18:59:01,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/data/b585e8dcd/127588e7dcad49ce8ee95df6fe3084f4/FLAGd85e66084 [2023-11-21 18:59:01,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/data/b585e8dcd/127588e7dcad49ce8ee95df6fe3084f4 [2023-11-21 18:59:01,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:59:01,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:59:01,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:59:01,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:59:01,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:59:01,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab6c205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01, skipping insertion in model container [2023-11-21 18:59:01,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,426 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:59:01,604 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_63083bf2-f404-452e-9040-113dc976b9f5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i[913,926] [2023-11-21 18:59:01,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:59:01,658 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:59:01,672 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_63083bf2-f404-452e-9040-113dc976b9f5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i[913,926] [2023-11-21 18:59:01,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:59:01,713 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:59:01,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01 WrapperNode [2023-11-21 18:59:01,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:59:01,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:59:01,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:59:01,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:59:01,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,766 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2023-11-21 18:59:01,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:59:01,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:59:01,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:59:01,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:59:01,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:59:01,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:59:01,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:59:01,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:59:01,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (1/1) ... [2023-11-21 18:59:01,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:59:01,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 18:59:01,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 18:59:01,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 18:59:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:59:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:59:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:59:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:59:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:59:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:59:01,955 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:59:01,957 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:59:02,262 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:59:02,555 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:59:02,555 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:59:02,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:59:02 BoogieIcfgContainer [2023-11-21 18:59:02,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:59:02,563 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 18:59:02,564 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 18:59:02,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 18:59:02,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 06:59:01" (1/3) ... [2023-11-21 18:59:02,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2065355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:59:02, skipping insertion in model container [2023-11-21 18:59:02,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:01" (2/3) ... [2023-11-21 18:59:02,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2065355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:59:02, skipping insertion in model container [2023-11-21 18:59:02,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:59:02" (3/3) ... [2023-11-21 18:59:02,575 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-46.i [2023-11-21 18:59:02,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 18:59:02,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 18:59:02,641 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 18:59:02,648 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;@10490158, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 18:59:02,648 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 18:59:02,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 18:59:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:59:02,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 18:59:02,663 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 18:59:02,664 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 18:59:02,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:59:02,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1254405865, now seen corresponding path program 1 times [2023-11-21 18:59:02,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 18:59:02,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925046371] [2023-11-21 18:59:02,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:59:02,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:59:02,913 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 18:59:02,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612048209] [2023-11-21 18:59:02,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:59:02,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 18:59:02,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 18:59:02,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 18:59:02,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 18:59:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:59:03,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:59:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:59:03,214 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-21 18:59:03,217 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 18:59:03,218 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 18:59:03,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:59:03,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 18:59:03,441 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 18:59:03,444 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 18:59:03,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 06:59:03 BoogieIcfgContainer [2023-11-21 18:59:03,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 18:59:03,508 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:59:03,508 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:59:03,509 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:59:03,509 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:59:02" (3/4) ... [2023-11-21 18:59:03,511 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:59:03,512 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:59:03,513 INFO L158 Benchmark]: Toolchain (without parser) took 2133.87ms. Allocated memory was 161.5MB in the beginning and 224.4MB in the end (delta: 62.9MB). Free memory was 129.5MB in the beginning and 170.4MB in the end (delta: -40.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-21 18:59:03,513 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:59:03,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.75ms. Allocated memory is still 161.5MB. Free memory was 129.2MB in the beginning and 116.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:59:03,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.19ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 114.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:59:03,515 INFO L158 Benchmark]: Boogie Preprocessor took 32.81ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 112.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:59:03,516 INFO L158 Benchmark]: RCFGBuilder took 758.49ms. Allocated memory is still 161.5MB. Free memory was 112.9MB in the beginning and 78.0MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 18:59:03,517 INFO L158 Benchmark]: TraceAbstraction took 945.16ms. Allocated memory was 161.5MB in the beginning and 224.4MB in the end (delta: 62.9MB). Free memory was 77.2MB in the beginning and 170.4MB in the end (delta: -93.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:59:03,517 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 224.4MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:59:03,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.75ms. Allocated memory is still 161.5MB. Free memory was 129.2MB in the beginning and 116.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.19ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 114.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.81ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 112.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 758.49ms. Allocated memory is still 161.5MB. Free memory was 112.9MB in the beginning and 78.0MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 945.16ms. Allocated memory was 161.5MB in the beginning and 224.4MB in the end (delta: 62.9MB). Free memory was 77.2MB in the beginning and 170.4MB in the end (delta: -93.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 224.4MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 16.1GB. * 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 45, overapproximation of bitwiseOr at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 31.75; [L24] signed char var_1_4 = -8; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 1; [L28] unsigned char var_1_9 = 1; [L29] signed short int var_1_10 = -4; [L30] signed short int var_1_12 = 32; [L31] signed char var_1_13 = -25; [L32] signed char var_1_16 = 4; [L33] unsigned char last_1_var_1_1 = 1; [L34] signed short int last_1_var_1_10 = -4; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L96] last_1_var_1_1 = var_1_1 [L97] last_1_var_1_10 = var_1_10 [L107] RET updateLastVariables() [L108] CALL updateVariables() [L73] var_1_2 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L75] var_1_4 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L78] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L82] var_1_7 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L85] var_1_9 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L88] var_1_12 = __VERIFIER_nondet_short() [L89] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=49, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=49, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L90] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=49, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=49, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L91] var_1_16 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=49, var_1_13=-25, var_1_16=96, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=49, var_1_13=-25, var_1_16=96, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=49, var_1_13=-25, var_1_16=96, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=49, var_1_13=-25, var_1_16=96, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L108] RET updateVariables() [L109] CALL step() [L38] COND TRUE last_1_var_1_10 <= (var_1_12 / var_1_4) [L39] COND TRUE \read(last_1_var_1_1) [L40] var_1_13 = var_1_16 [L43] signed long int stepLocal_1 = (((var_1_4) < (var_1_13)) ? (var_1_4) : (var_1_13)); [L44] signed long int stepLocal_0 = var_1_13 / var_1_4; [L45] COND FALSE !((- var_1_2) >= 16.75) [L60] var_1_1 = 1 [L62] signed char stepLocal_2 = var_1_13; [L63] EXPR var_1_13 | var_1_13 [L63] COND FALSE !(((var_1_13 | var_1_13) + var_1_4) < stepLocal_2) [L66] var_1_10 = 128 [L68] COND FALSE !(1 == var_1_4) [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR ((((- var_1_2) >= 16.75) ? (((var_1_13 / var_1_4) >= var_1_13) ? ((((((var_1_4) < (var_1_13)) ? (var_1_4) : (var_1_13))) > -32) ? (var_1_1 == ((unsigned char) 0)) : (var_1_1 == ((unsigned char) (var_1_6 || var_1_7)))) : (var_1_6 ? (var_1_1 == ((unsigned char) 1)) : (var_1_1 == ((unsigned char) var_1_7)))) : (var_1_1 == ((unsigned char) 1))) && ((1 == var_1_4) ? (var_1_8 == ((unsigned char) var_1_9)) : 1)) && ((((var_1_13 | var_1_13) + var_1_4) < var_1_13) ? (var_1_10 == ((signed short int) (var_1_12 - 256))) : (var_1_10 == ((signed short int) 128))) [L100-L101] return (((((- var_1_2) >= 16.75) ? (((var_1_13 / var_1_4) >= var_1_13) ? ((((((var_1_4) < (var_1_13)) ? (var_1_4) : (var_1_13))) > -32) ? (var_1_1 == ((unsigned char) 0)) : (var_1_1 == ((unsigned char) (var_1_6 || var_1_7)))) : (var_1_6 ? (var_1_1 == ((unsigned char) 1)) : (var_1_1 == ((unsigned char) var_1_7)))) : (var_1_1 == ((unsigned char) 1))) && ((1 == var_1_4) ? (var_1_8 == ((unsigned char) var_1_9)) : 1)) && ((((var_1_13 | var_1_13) + var_1_4) < var_1_13) ? (var_1_10 == ((signed short int) (var_1_12 - 256))) : (var_1_10 == ((signed short int) 128)))) && ((last_1_var_1_10 <= (var_1_12 / var_1_4)) ? (last_1_var_1_1 ? (var_1_13 == ((signed char) var_1_16)) : 1) : 1) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=128, var_1_12=49, var_1_13=96, var_1_16=96, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=128, var_1_12=49, var_1_13=96, var_1_16=96, var_1_1=1, var_1_4=48, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 14, 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=30occurred 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 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 [2023-11-21 18:59:03,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/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_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5 --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 ba1656c506dac43e8e1782550f97cd95196bbd4de44fa7d31ee77969c5bceecc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:59:06,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:59:06,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-21 18:59:06,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:59:06,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 18:59:06,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:59:06,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 18:59:06,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 18:59:06,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:59:06,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 18:59:06,349 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 18:59:06,349 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 18:59:06,350 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 18:59:06,351 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 18:59:06,351 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 18:59:06,352 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 18:59:06,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:59:06,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:59:06,354 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:59:06,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:59:06,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:59:06,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:59:06,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:59:06,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:59:06,357 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:59:06,358 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:59:06,359 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:59:06,359 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:59:06,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:59:06,360 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:59:06,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:59:06,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 18:59:06,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 18:59:06,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 18:59:06,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:59:06,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:59:06,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:59:06,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:59:06,365 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:59:06,366 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:59:06,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 18:59:06,367 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:59:06,367 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 18:59:06,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:59:06,368 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_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba1656c506dac43e8e1782550f97cd95196bbd4de44fa7d31ee77969c5bceecc [2023-11-21 18:59:06,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:59:06,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:59:06,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:59:06,776 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:59:06,778 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:59:06,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i [2023-11-21 18:59:10,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:59:10,566 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:59:10,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i [2023-11-21 18:59:10,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/data/4f628db71/89ada80c096c415ea1fb69ca996117fc/FLAGa48364327 [2023-11-21 18:59:10,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/data/4f628db71/89ada80c096c415ea1fb69ca996117fc [2023-11-21 18:59:10,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:59:10,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:59:10,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:59:10,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:59:10,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:59:10,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:59:10" (1/1) ... [2023-11-21 18:59:10,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc66001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:10, skipping insertion in model container [2023-11-21 18:59:10,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:59:10" (1/1) ... [2023-11-21 18:59:10,873 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:59:11,060 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_63083bf2-f404-452e-9040-113dc976b9f5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i[913,926] [2023-11-21 18:59:11,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:59:11,160 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:59:11,177 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_63083bf2-f404-452e-9040-113dc976b9f5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i[913,926] [2023-11-21 18:59:11,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:59:11,228 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:59:11,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11 WrapperNode [2023-11-21 18:59:11,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:59:11,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:59:11,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:59:11,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:59:11,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (1/1) ... [2023-11-21 18:59:11,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (1/1) ... [2023-11-21 18:59:11,308 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2023-11-21 18:59:11,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:59:11,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:59:11,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:59:11,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:59:11,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (1/1) ... [2023-11-21 18:59:11,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (1/1) ... [2023-11-21 18:59:11,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (1/1) ... [2023-11-21 18:59:11,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (1/1) ... [2023-11-21 18:59:11,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (1/1) ... [2023-11-21 18:59:11,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (1/1) ... [2023-11-21 18:59:11,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (1/1) ... [2023-11-21 18:59:11,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (1/1) ... [2023-11-21 18:59:11,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:59:11,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:59:11,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:59:11,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:59:11,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (1/1) ... [2023-11-21 18:59:11,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:59:11,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 18:59:11,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 18:59:11,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 18:59:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:59:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:59:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:59:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:59:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:59:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:59:11,628 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:59:11,631 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:59:12,056 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:59:12,242 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:59:12,243 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:59:12,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:59:12 BoogieIcfgContainer [2023-11-21 18:59:12,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:59:12,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 18:59:12,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 18:59:12,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 18:59:12,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 06:59:10" (1/3) ... [2023-11-21 18:59:12,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688714a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:59:12, skipping insertion in model container [2023-11-21 18:59:12,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:59:11" (2/3) ... [2023-11-21 18:59:12,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688714a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:59:12, skipping insertion in model container [2023-11-21 18:59:12,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:59:12" (3/3) ... [2023-11-21 18:59:12,253 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-46.i [2023-11-21 18:59:12,273 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 18:59:12,273 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 18:59:12,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 18:59:12,334 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;@76e48ab3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 18:59:12,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 18:59:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 18:59:12,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:59:12,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 18:59:12,354 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 18:59:12,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 18:59:12,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:59:12,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1846532483, now seen corresponding path program 1 times [2023-11-21 18:59:12,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 18:59:12,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412967970] [2023-11-21 18:59:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:59:12,379 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 [2023-11-21 18:59:12,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 18:59:12,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/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) [2023-11-21 18:59:12,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63083bf2-f404-452e-9040-113dc976b9f5/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 18:59:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:59:12,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:59:12,686 INFO L285 TraceCheckSpWp]: Computing forward predicates...