./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-82.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2 --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 05ebac55e33f27a9aa589759c1825f109f2294026878df3af4b2993e1c293ed5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:52,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:52,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:33:52,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:52,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:53,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:53,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:53,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:53,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:53,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:53,020 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:53,020 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:53,021 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:53,021 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:33:53,021 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:53,022 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:53,022 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:33:53,022 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:33:53,023 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:53,027 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:33:53,027 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:33:53,028 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:33:53,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:53,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:53,029 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:33:53,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:53,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:33:53,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:53,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:53,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:53,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:53,031 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:53,031 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:33:53,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:53,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:53,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:53,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:53,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:53,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:53,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:53,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:53,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:53,037 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:33:53,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:33:53,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:53,038 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:53,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:53,038 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_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05ebac55e33f27a9aa589759c1825f109f2294026878df3af4b2993e1c293ed5 [2024-11-02 12:33:53,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:53,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:53,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:53,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:53,352 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:53,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-82.i Unable to find full path for "g++" [2024-11-02 12:33:55,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:55,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:55,902 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-82.i [2024-11-02 12:33:55,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/data/3658fe2c6/f4ddbf016e8f41e38fa73f097acb1fb1/FLAG41fc42b1f [2024-11-02 12:33:55,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/data/3658fe2c6/f4ddbf016e8f41e38fa73f097acb1fb1 [2024-11-02 12:33:55,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:55,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:55,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:55,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:55,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:55,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:55,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3394e87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:55, skipping insertion in model container [2024-11-02 12:33:55,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:55" (1/1) ... [2024-11-02 12:33:55,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:56,254 WARN L251 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_0e85a4f9-1e34-463b-99ac-09af1601c695/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-82.i[919,932] [2024-11-02 12:33:56,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:56,376 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:33:56,395 WARN L251 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_0e85a4f9-1e34-463b-99ac-09af1601c695/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-82.i[919,932] [2024-11-02 12:33:56,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:56,494 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:33:56,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56 WrapperNode [2024-11-02 12:33:56,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:56,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:56,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:33:56,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:33:56,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (1/1) ... [2024-11-02 12:33:56,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (1/1) ... [2024-11-02 12:33:56,574 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-02 12:33:56,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:56,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:33:56,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:33:56,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:33:56,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (1/1) ... [2024-11-02 12:33:56,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (1/1) ... [2024-11-02 12:33:56,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (1/1) ... [2024-11-02 12:33:56,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (1/1) ... [2024-11-02 12:33:56,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (1/1) ... [2024-11-02 12:33:56,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (1/1) ... [2024-11-02 12:33:56,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (1/1) ... [2024-11-02 12:33:56,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (1/1) ... [2024-11-02 12:33:56,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:33:56,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:33:56,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:33:56,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:33:56,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (1/1) ... [2024-11-02 12:33:56,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:56,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:56,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:33:56,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:33:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:33:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:33:56,726 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:33:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:33:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:33:56,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:33:56,841 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:33:56,846 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:33:57,282 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 12:33:57,282 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:33:57,552 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:33:57,552 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:33:57,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:57 BoogieIcfgContainer [2024-11-02 12:33:57,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:33:57,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:33:57,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:33:57,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:33:57,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:33:55" (1/3) ... [2024-11-02 12:33:57,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c878b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:57, skipping insertion in model container [2024-11-02 12:33:57,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:56" (2/3) ... [2024-11-02 12:33:57,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c878b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:57, skipping insertion in model container [2024-11-02 12:33:57,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:57" (3/3) ... [2024-11-02 12:33:57,573 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-82.i [2024-11-02 12:33:57,599 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:33:57,599 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:33:57,678 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:33:57,687 INFO L333 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, 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;@180ea54c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:33:57,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:33:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:33:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-02 12:33:57,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:57,706 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:57,707 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:33:57,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:57,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1068776474, now seen corresponding path program 1 times [2024-11-02 12:33:57,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:57,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039614773] [2024-11-02 12:33:57,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:57,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:33:58,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:33:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:33:58,502 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:33:58,504 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:33:58,506 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:33:58,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:33:58,514 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:33:58,601 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:33:58,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:33:58 BoogieIcfgContainer [2024-11-02 12:33:58,605 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:33:58,606 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:33:58,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:33:58,608 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:33:58,608 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:57" (3/4) ... [2024-11-02 12:33:58,611 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:33:58,613 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:33:58,615 INFO L158 Benchmark]: Toolchain (without parser) took 2673.84ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 106.4MB in the beginning and 95.1MB in the end (delta: 11.3MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-02 12:33:58,615 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 102.8MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:33:58,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.74ms. Allocated memory is still 144.7MB. Free memory was 106.1MB in the beginning and 91.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:33:58,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.09ms. Allocated memory is still 144.7MB. Free memory was 91.1MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:33:58,618 INFO L158 Benchmark]: Boogie Preprocessor took 52.81ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 87.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:33:58,619 INFO L158 Benchmark]: RCFGBuilder took 920.86ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 87.2MB in the beginning and 137.1MB in the end (delta: -49.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-02 12:33:58,620 INFO L158 Benchmark]: TraceAbstraction took 1045.42ms. Allocated memory is still 178.3MB. Free memory was 136.6MB in the beginning and 96.0MB in the end (delta: 40.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-02 12:33:58,620 INFO L158 Benchmark]: Witness Printer took 7.49ms. Allocated memory is still 178.3MB. Free memory was 96.0MB in the beginning and 95.1MB in the end (delta: 826.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:33:58,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 102.8MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.74ms. Allocated memory is still 144.7MB. Free memory was 106.1MB in the beginning and 91.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.09ms. Allocated memory is still 144.7MB. Free memory was 91.1MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.81ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 87.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 920.86ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 87.2MB in the beginning and 137.1MB in the end (delta: -49.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1045.42ms. Allocated memory is still 178.3MB. Free memory was 136.6MB in the beginning and 96.0MB in the end (delta: 40.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 7.49ms. Allocated memory is still 178.3MB. Free memory was 96.0MB in the beginning and 95.1MB in the end (delta: 826.8kB). 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 48, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] double var_1_4 = 5.5; [L24] float var_1_5 = 49.2; [L25] double var_1_7 = 49.5; [L26] double var_1_8 = 999999999999.4; [L27] double var_1_9 = 255.3; [L28] unsigned char var_1_10 = 1; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_13 = 1; [L31] signed long int var_1_14 = -16; [L32] signed long int var_1_15 = 25; [L33] signed long int var_1_16 = -8; [L34] signed long int var_1_17 = 1000000000; [L35] signed long int var_1_18 = 256; [L36] signed long int var_1_19 = 25; [L37] signed long int var_1_20 = 4; [L38] unsigned char var_1_21 = 1; [L39] unsigned char var_1_22 = 0; [L40] signed long int var_1_23 = 50; [L41] double last_1_var_1_7 = 49.5; [L42] signed long int last_1_var_1_14 = -16; [L43] signed long int last_1_var_1_23 = 50; [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] CALL updateLastVariables() [L120] last_1_var_1_7 = var_1_7 [L121] last_1_var_1_14 = var_1_14 [L122] last_1_var_1_23 = var_1_23 [L132] RET updateLastVariables() [L133] CALL updateVariables() [L86] var_1_4 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L88] var_1_5 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L90] var_1_8 = __VERIFIER_nondet_double() [L91] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2, var_1_9=2553/10] [L92] var_1_9 = __VERIFIER_nondet_double() [L93] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L94] var_1_11 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L96] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L97] var_1_13 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L99] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L100] var_1_15 = __VERIFIER_nondet_long() [L101] CALL assume_abort_if_not(var_1_15 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_15 >= -1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L102] CALL assume_abort_if_not(var_1_15 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_15 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L103] var_1_17 = __VERIFIER_nondet_long() [L104] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L105] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L106] var_1_18 = __VERIFIER_nondet_long() [L107] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L108] CALL assume_abort_if_not(var_1_18 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_18 <= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L109] var_1_19 = __VERIFIER_nondet_long() [L110] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L111] CALL assume_abort_if_not(var_1_19 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_19 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L112] var_1_20 = __VERIFIER_nondet_long() [L113] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=0, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=0, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L114] CALL assume_abort_if_not(var_1_20 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=0, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_20 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=0, var_1_21=1, var_1_22=0, var_1_23=50, var_1_7=99/2] [L115] var_1_22 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L117] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-16, var_1_15=-7, var_1_16=-8, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=54/5, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=50, var_1_7=99/2] [L133] RET updateVariables() [L134] CALL step() [L47] var_1_23 = last_1_var_1_14 [L48] COND TRUE var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9)))) [L49] var_1_16 = ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))) [L55] var_1_7 = (var_1_4 - (var_1_8 + var_1_9)) [L56] COND FALSE !(var_1_23 == var_1_16) [L59] COND TRUE (var_1_4 - var_1_5) > var_1_7 [L60] var_1_1 = var_1_4 [L65] COND TRUE ((50 / -10) + var_1_23) >= var_1_16 [L66] COND TRUE \read(var_1_13) [L67] var_1_21 = (var_1_11 && var_1_22) [L74] var_1_10 = (var_1_11 && (var_1_21 || var_1_13)) [L75] COND TRUE var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5)))) [L76] COND TRUE \read(var_1_10) [L77] var_1_14 = (var_1_15 + (8 + var_1_16)) [L134] RET step() [L135] CALL, EXPR property() [L125-L126] return (((((((var_1_23 == var_1_16) ? (var_1_1 == ((double) (var_1_4 - 4.531))) : (((var_1_4 - var_1_5) > var_1_7) ? (var_1_1 == ((double) var_1_4)) : (var_1_1 == ((double) var_1_4)))) && (var_1_7 == ((double) (var_1_4 - (var_1_8 + var_1_9))))) && (var_1_10 == ((unsigned char) (var_1_11 && (var_1_21 || var_1_13))))) && ((var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) ? (var_1_10 ? (var_1_14 == ((signed long int) (var_1_15 + (8 + var_1_16)))) : (var_1_14 == ((signed long int) -256))) : (var_1_14 == ((signed long int) var_1_16)))) && ((var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9))))) ? (var_1_16 == ((signed long int) ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : ((var_1_4 <= last_1_var_1_7) ? (var_1_16 == ((signed long int) var_1_17)) : 1))) && ((((50 / -10) + var_1_23) >= var_1_16) ? (var_1_13 ? (var_1_21 == ((unsigned char) (var_1_11 && var_1_22))) : (var_1_21 == ((unsigned char) var_1_11))) : (var_1_21 == ((unsigned char) var_1_11)))) && (var_1_23 == ((signed long int) last_1_var_1_14)) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-20, var_1_15=-7, var_1_16=-21, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=1000000000004, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_4=1000000000004] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=257, var_1_13=1, var_1_14=-20, var_1_15=-7, var_1_16=-21, var_1_17=1073741823, var_1_18=121, var_1_19=1073741823, var_1_1=1000000000004, var_1_20=0, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_4=1000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 20, 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=41occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 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 [2024-11-02 12:33:58,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2 --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 05ebac55e33f27a9aa589759c1825f109f2294026878df3af4b2993e1c293ed5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:34:01,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:34:01,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:34:01,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:34:01,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:34:01,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:34:01,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:34:01,435 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:34:01,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:34:01,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:34:01,438 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:34:01,439 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:34:01,439 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:34:01,439 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:34:01,440 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:34:01,440 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:34:01,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:34:01,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:34:01,441 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:34:01,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:34:01,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:34:01,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:34:01,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:34:01,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:34:01,447 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:34:01,447 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:34:01,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:34:01,448 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:34:01,448 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:34:01,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:34:01,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:34:01,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:34:01,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:34:01,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:34:01,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:34:01,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:01,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:34:01,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:34:01,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:34:01,450 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:34:01,451 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:34:01,452 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:34:01,452 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:34:01,452 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:34:01,452 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_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05ebac55e33f27a9aa589759c1825f109f2294026878df3af4b2993e1c293ed5 [2024-11-02 12:34:01,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:34:01,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:34:01,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:34:01,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:34:01,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:34:01,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-82.i Unable to find full path for "g++" [2024-11-02 12:34:04,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:34:04,590 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:34:04,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-82.i [2024-11-02 12:34:04,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/data/ca582ce65/928076643c2c4b9d8237da36eea2dd64/FLAG4d66a7153 [2024-11-02 12:34:04,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/data/ca582ce65/928076643c2c4b9d8237da36eea2dd64 [2024-11-02 12:34:04,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:34:04,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:34:04,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:04,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:34:04,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:34:04,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:04" (1/1) ... [2024-11-02 12:34:04,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49038c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:04, skipping insertion in model container [2024-11-02 12:34:04,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:04" (1/1) ... [2024-11-02 12:34:04,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:34:04,919 WARN L251 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_0e85a4f9-1e34-463b-99ac-09af1601c695/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-82.i[919,932] [2024-11-02 12:34:05,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:05,033 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:34:05,049 WARN L251 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_0e85a4f9-1e34-463b-99ac-09af1601c695/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-82.i[919,932] [2024-11-02 12:34:05,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:05,130 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:34:05,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05 WrapperNode [2024-11-02 12:34:05,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:05,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:05,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:34:05,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:34:05,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (1/1) ... [2024-11-02 12:34:05,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (1/1) ... [2024-11-02 12:34:05,197 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2024-11-02 12:34:05,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:05,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:34:05,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:34:05,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:34:05,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (1/1) ... [2024-11-02 12:34:05,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (1/1) ... [2024-11-02 12:34:05,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (1/1) ... [2024-11-02 12:34:05,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (1/1) ... [2024-11-02 12:34:05,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (1/1) ... [2024-11-02 12:34:05,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (1/1) ... [2024-11-02 12:34:05,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (1/1) ... [2024-11-02 12:34:05,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (1/1) ... [2024-11-02 12:34:05,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:34:05,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:34:05,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:34:05,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:34:05,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (1/1) ... [2024-11-02 12:34:05,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:05,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:05,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:34:05,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:34:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:34:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:34:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:34:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:34:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:34:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:34:05,563 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:34:05,568 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:34:15,066 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 12:34:15,066 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:34:15,090 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:34:15,091 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:34:15,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:15 BoogieIcfgContainer [2024-11-02 12:34:15,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:34:15,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:34:15,096 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:34:15,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:34:15,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:34:04" (1/3) ... [2024-11-02 12:34:15,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289607f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:15, skipping insertion in model container [2024-11-02 12:34:15,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:05" (2/3) ... [2024-11-02 12:34:15,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289607f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:15, skipping insertion in model container [2024-11-02 12:34:15,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:15" (3/3) ... [2024-11-02 12:34:15,105 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-82.i [2024-11-02 12:34:15,120 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:34:15,120 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:34:15,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:34:15,190 INFO L333 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, 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;@60e93795, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:34:15,191 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:34:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 39 states have internal predecessors, (51), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:34:15,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-02 12:34:15,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:15,241 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:34:15,242 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:15,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:15,249 INFO L85 PathProgramCache]: Analyzing trace with hash -2094218297, now seen corresponding path program 1 times [2024-11-02 12:34:15,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:15,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417194267] [2024-11-02 12:34:15,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:15,269 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 [2024-11-02 12:34:15,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:15,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:34:15,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:34:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:16,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:34:16,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:16,156 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-02 12:34:16,160 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:16,164 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:16,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417194267] [2024-11-02 12:34:16,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417194267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:16,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:16,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:34:16,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395009127] [2024-11-02 12:34:16,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:16,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:34:16,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:16,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:34:16,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:34:16,210 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 39 states have internal predecessors, (51), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:34:16,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:16,257 INFO L93 Difference]: Finished difference Result 115 states and 196 transitions. [2024-11-02 12:34:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:34:16,261 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2024-11-02 12:34:16,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:16,269 INFO L225 Difference]: With dead ends: 115 [2024-11-02 12:34:16,269 INFO L226 Difference]: Without dead ends: 57 [2024-11-02 12:34:16,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:34:16,277 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:34:16,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:34:16,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-02 12:34:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-02 12:34:16,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:34:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2024-11-02 12:34:16,352 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 127 [2024-11-02 12:34:16,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:16,353 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2024-11-02 12:34:16,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:34:16,354 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-11-02 12:34:16,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-02 12:34:16,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:16,358 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:34:16,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:34:16,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:34:16,559 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:16,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:16,560 INFO L85 PathProgramCache]: Analyzing trace with hash 390341055, now seen corresponding path program 1 times [2024-11-02 12:34:16,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:16,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605726907] [2024-11-02 12:34:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:16,564 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 [2024-11-02 12:34:16,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:16,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:34:16,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e85a4f9-1e34-463b-99ac-09af1601c695/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:34:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:17,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-02 12:34:18,007 INFO L278 TraceCheckSpWp]: Computing forward predicates...