./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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 2def0abd682c6a1fc213d7bd50abef627a81b5781369d87e9aca90df1b2bcda7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:21:59,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:21:59,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:21:59,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:21:59,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:21:59,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:21:59,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:21:59,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:21:59,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:21:59,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:21:59,535 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:21:59,539 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:21:59,540 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:21:59,541 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:21:59,542 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:21:59,542 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:21:59,542 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:21:59,543 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:21:59,543 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:21:59,544 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:21:59,544 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:21:59,552 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:21:59,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:21:59,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:21:59,553 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:21:59,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:21:59,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:21:59,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:21:59,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:21:59,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:21:59,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:21:59,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:21:59,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:21:59,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:21:59,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:21:59,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:21:59,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:21:59,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:21:59,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:21:59,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:21:59,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:21:59,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:21:59,571 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:21:59,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:21:59,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:21:59,571 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:21:59,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:21:59,572 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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2def0abd682c6a1fc213d7bd50abef627a81b5781369d87e9aca90df1b2bcda7 [2024-11-02 11:21:59,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:22:00,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:22:00,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:22:00,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:22:00,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:22:00,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-95.i Unable to find full path for "g++" [2024-11-02 11:22:02,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:22:02,397 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:22:02,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-95.i [2024-11-02 11:22:02,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/data/c94453cba/12617c302b4b4d629d5370fec30b4bab/FLAG6e10fa1d9 [2024-11-02 11:22:02,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/data/c94453cba/12617c302b4b4d629d5370fec30b4bab [2024-11-02 11:22:02,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:22:02,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:22:02,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:02,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:22:02,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:22:02,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c0e4cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02, skipping insertion in model container [2024-11-02 11:22:02,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:22:02,682 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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-95.i[913,926] [2024-11-02 11:22:02,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:02,758 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:22:02,769 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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-95.i[913,926] [2024-11-02 11:22:02,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:02,828 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:22:02,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02 WrapperNode [2024-11-02 11:22:02,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:02,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:02,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:22:02,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:22:02,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,895 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-11-02 11:22:02,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:02,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:22:02,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:22:02,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:22:02,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:22:02,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:22:02,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:22:02,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:22:02,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (1/1) ... [2024-11-02 11:22:02,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:02,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:02,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:22:02,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:22:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:22:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:22:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:22:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:22:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:22:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:22:03,131 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:22:03,135 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:22:03,593 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-02 11:22:03,594 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:22:03,911 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:22:03,912 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:22:03,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:03 BoogieIcfgContainer [2024-11-02 11:22:03,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:22:03,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:22:03,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:22:03,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:22:03,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:22:02" (1/3) ... [2024-11-02 11:22:03,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19481efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:03, skipping insertion in model container [2024-11-02 11:22:03,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:02" (2/3) ... [2024-11-02 11:22:03,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19481efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:03, skipping insertion in model container [2024-11-02 11:22:03,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:03" (3/3) ... [2024-11-02 11:22:03,929 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-95.i [2024-11-02 11:22:03,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:22:03,949 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:22:04,028 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:22:04,038 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;@8adf09b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:22:04,039 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:22:04,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-02 11:22:04,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-02 11:22:04,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:04,067 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:04,068 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:22:04,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:04,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1701964496, now seen corresponding path program 1 times [2024-11-02 11:22:04,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:22:04,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384854962] [2024-11-02 11:22:04,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:04,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:22:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 11:22:04,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491482746] [2024-11-02 11:22:04,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:04,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:22:04,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:04,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:22:04,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:22:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:22:05,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:22:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:22:05,218 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:22:05,225 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:22:05,227 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 11:22:05,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 11:22:05,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:22:05,436 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:22:05,560 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:22:05,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:22:05 BoogieIcfgContainer [2024-11-02 11:22:05,578 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:22:05,579 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:22:05,579 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:22:05,580 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:22:05,580 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:03" (3/4) ... [2024-11-02 11:22:05,587 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:22:05,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:22:05,594 INFO L158 Benchmark]: Toolchain (without parser) took 3158.61ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 116.5MB in the beginning and 132.3MB in the end (delta: -15.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-02 11:22:05,595 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 157.3MB. Free memory was 125.5MB in the beginning and 125.3MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:22:05,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.47ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 101.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 11:22:05,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.42ms. Allocated memory is still 157.3MB. Free memory was 101.2MB in the beginning and 97.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 11:22:05,601 INFO L158 Benchmark]: Boogie Preprocessor took 59.07ms. Allocated memory is still 157.3MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:22:05,601 INFO L158 Benchmark]: RCFGBuilder took 957.12ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 95.5MB in the beginning and 188.9MB in the end (delta: -93.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-02 11:22:05,603 INFO L158 Benchmark]: TraceAbstraction took 1662.87ms. Allocated memory is still 230.7MB. Free memory was 188.9MB in the beginning and 133.3MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-02 11:22:05,605 INFO L158 Benchmark]: Witness Printer took 11.21ms. Allocated memory is still 230.7MB. Free memory was 133.3MB in the beginning and 132.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:22:05,612 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 157.3MB. Free memory was 125.5MB in the beginning and 125.3MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.47ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 101.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.42ms. Allocated memory is still 157.3MB. Free memory was 101.2MB in the beginning and 97.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.07ms. Allocated memory is still 157.3MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 957.12ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 95.5MB in the beginning and 188.9MB in the end (delta: -93.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1662.87ms. Allocated memory is still 230.7MB. Free memory was 188.9MB in the beginning and 133.3MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 11.21ms. Allocated memory is still 230.7MB. Free memory was 133.3MB in the beginning and 132.3MB in the end (delta: 1.0MB). 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 40, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of bitwiseOr at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] double var_1_2 = 32.25; [L24] double var_1_3 = 16.5; [L25] unsigned char var_1_4 = 10; [L26] unsigned char var_1_5 = 100; [L27] unsigned char var_1_6 = 1; [L28] signed char var_1_7 = -5; [L29] unsigned char var_1_8 = 0; [L30] signed char var_1_9 = -10; [L31] signed short int var_1_10 = 64; [L32] unsigned short int var_1_11 = 0; [L33] float var_1_12 = 64.75; [L34] double var_1_13 = 5.4; [L35] float var_1_14 = 5.625; [L36] unsigned long int var_1_15 = 32; [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] FCALL updateLastVariables() [L116] CALL updateVariables() [L80] var_1_2 = __VERIFIER_nondet_double() [L81] 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, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_3=33/2, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L81] 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, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_3=33/2, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L82] var_1_3 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L84] var_1_4 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L86] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L87] var_1_5 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_5 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_5 >= 63) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L89] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L90] var_1_6 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_7=-5, var_1_8=0, var_1_9=-10] [L92] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=0, var_1_9=-10] [L93] var_1_8 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_9=-10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_9=-10] [L95] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-10] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-10] [L96] var_1_9 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_9 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-33] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_9 >= -63) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-33] [L98] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-33] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-33] [L99] var_1_13 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-33] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-33] [L101] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-33] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-33] [L102] var_1_14 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-33] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=-5, var_1_8=1, var_1_9=-33] [L116] RET updateVariables() [L117] CALL step() [L40] COND FALSE !((10.8 + var_1_2) <= (- var_1_3)) [L43] COND TRUE (var_1_5 <= var_1_4) && var_1_8 [L44] COND TRUE \read(var_1_8) [L45] var_1_7 = (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))) [L56] COND FALSE !(-4 >= var_1_4) [L63] var_1_10 = var_1_4 [L65] EXPR var_1_10 ^ var_1_7 [L65] COND TRUE (var_1_6 - var_1_1) < ((var_1_10 ^ var_1_7) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5)))) [L66] COND TRUE var_1_3 == var_1_2 [L67] var_1_11 = var_1_1 [L70] COND TRUE var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L71] var_1_12 = var_1_14 [L73] COND TRUE 128 >= var_1_10 [L74] var_1_15 = (var_1_6 + (var_1_4 + var_1_11)) [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR (((((10.8 + var_1_2) <= (- var_1_3)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_1) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_3 == var_1_2) ? (var_1_10 == ((signed short int) (var_1_1 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - var_1_1) < ((var_1_10 ^ var_1_7) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((var_1_3 == var_1_2) ? (var_1_11 == ((unsigned short int) var_1_1)) : 1) : 1) [L108] EXPR var_1_10 ^ var_1_7 [L108] EXPR (((((10.8 + var_1_2) <= (- var_1_3)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_1) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_3 == var_1_2) ? (var_1_10 == ((signed short int) (var_1_1 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - var_1_1) < ((var_1_10 ^ var_1_7) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((var_1_3 == var_1_2) ? (var_1_11 == ((unsigned short int) var_1_1)) : 1) : 1) [L108-L109] return (((((((10.8 + var_1_2) <= (- var_1_3)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_1) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_3 == var_1_2) ? (var_1_10 == ((signed short int) (var_1_1 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - var_1_1) < ((var_1_10 ^ var_1_7) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((var_1_3 == var_1_2) ? (var_1_11 == ((unsigned short int) var_1_1)) : 1) : 1)) && ((var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (var_1_12 == ((float) var_1_14)) : 1)) && ((128 >= var_1_10) ? (var_1_15 == ((unsigned long int) (var_1_6 + (var_1_4 + var_1_11)))) : (var_1_15 == ((unsigned long int) var_1_1))) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=126, var_1_11=32, var_1_12=2, var_1_14=2, var_1_15=191, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=0, var_1_8=1, var_1_9=-33] [L19] reach_error() VAL [isInitial=1, var_1_10=126, var_1_11=32, var_1_12=2, var_1_14=2, var_1_15=191, var_1_1=32, var_1_4=126, var_1_5=-193, var_1_6=545, var_1_7=0, var_1_8=1, var_1_9=-33] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 2 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 11:22:05,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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 2def0abd682c6a1fc213d7bd50abef627a81b5781369d87e9aca90df1b2bcda7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:22:08,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:22:08,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 11:22:08,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:22:08,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:22:08,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:22:08,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:22:08,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:22:08,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:22:08,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:22:08,900 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:22:08,901 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:22:08,901 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:22:08,903 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:22:08,903 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:22:08,904 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:22:08,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:22:08,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:22:08,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:22:08,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:22:08,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:22:08,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:22:08,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:22:08,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:22:08,913 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:22:08,914 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:22:08,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:22:08,914 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:22:08,915 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:22:08,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:22:08,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:22:08,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:22:08,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:22:08,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:22:08,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:22:08,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:08,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:22:08,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:22:08,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:22:08,920 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:22:08,920 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:22:08,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:22:08,922 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:22:08,922 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:22:08,937 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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2def0abd682c6a1fc213d7bd50abef627a81b5781369d87e9aca90df1b2bcda7 [2024-11-02 11:22:09,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:22:09,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:22:09,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:22:09,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:22:09,533 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:22:09,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-95.i Unable to find full path for "g++" [2024-11-02 11:22:11,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:22:12,016 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:22:12,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-95.i [2024-11-02 11:22:12,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/data/eea2da477/c0b2cbed1a5a4379ade650fc40480b76/FLAGf8754e2b7 [2024-11-02 11:22:12,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/data/eea2da477/c0b2cbed1a5a4379ade650fc40480b76 [2024-11-02 11:22:12,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:22:12,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:22:12,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:12,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:22:12,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:22:12,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70531ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12, skipping insertion in model container [2024-11-02 11:22:12,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:22:12,329 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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-95.i[913,926] [2024-11-02 11:22:12,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:12,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:22:12,460 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_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-95.i[913,926] [2024-11-02 11:22:12,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:12,514 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:22:12,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12 WrapperNode [2024-11-02 11:22:12,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:12,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:12,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:22:12,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:22:12,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,582 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-02 11:22:12,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:12,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:22:12,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:22:12,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:22:12,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:22:12,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:22:12,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:22:12,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:22:12,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:12,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:12,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:22:12,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:22:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:22:12,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:22:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:22:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:22:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:22:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:22:12,880 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:22:12,883 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:22:20,110 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 11:22:20,110 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:22:20,132 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:22:20,133 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:22:20,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:20 BoogieIcfgContainer [2024-11-02 11:22:20,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:22:20,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:22:20,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:22:20,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:22:20,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:22:12" (1/3) ... [2024-11-02 11:22:20,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59958688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:20, skipping insertion in model container [2024-11-02 11:22:20,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12" (2/3) ... [2024-11-02 11:22:20,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59958688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:20, skipping insertion in model container [2024-11-02 11:22:20,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:20" (3/3) ... [2024-11-02 11:22:20,146 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-95.i [2024-11-02 11:22:20,163 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:22:20,163 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:22:20,225 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:22:20,231 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;@635a4e65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:22:20,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:22:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-02 11:22:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-02 11:22:20,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:20,246 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:20,247 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:22:20,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:20,252 INFO L85 PathProgramCache]: Analyzing trace with hash 27541658, now seen corresponding path program 1 times [2024-11-02 11:22:20,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:22:20,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970948773] [2024-11-02 11:22:20,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:20,266 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 11:22:20,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:22:20,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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 11:22:20,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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 11:22:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:22:21,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 11:22:21,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:22:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-02 11:22:21,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:22:21,672 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:22:21,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970948773] [2024-11-02 11:22:21,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970948773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:22:21,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:22:21,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:22:21,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861403276] [2024-11-02 11:22:21,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:22:21,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:22:21,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:22:21,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:22:21,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:22:21,733 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-02 11:22:21,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:22:21,781 INFO L93 Difference]: Finished difference Result 98 states and 167 transitions. [2024-11-02 11:22:21,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:22:21,784 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), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2024-11-02 11:22:21,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:22:21,797 INFO L225 Difference]: With dead ends: 98 [2024-11-02 11:22:21,797 INFO L226 Difference]: Without dead ends: 48 [2024-11-02 11:22:21,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 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 11:22:21,811 INFO L432 NwaCegarLoop]: 70 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, 70 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 11:22:21,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:22:21,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-02 11:22:21,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-02 11:22:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-02 11:22:21,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 70 transitions. [2024-11-02 11:22:21,879 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 70 transitions. Word has length 100 [2024-11-02 11:22:21,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:22:21,881 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 70 transitions. [2024-11-02 11:22:21,882 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), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-02 11:22:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2024-11-02 11:22:21,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-02 11:22:21,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:21,887 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:21,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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)] Ended with exit code 0 [2024-11-02 11:22:22,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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 11:22:22,092 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:22:22,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:22,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1737484128, now seen corresponding path program 1 times [2024-11-02 11:22:22,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:22:22,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861133315] [2024-11-02 11:22:22,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:22,097 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 11:22:22,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:22:22,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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 11:22:22,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3a7fb3c-e4fe-485b-aafd-49c04f0e2f0a/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 11:22:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:22:23,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-02 11:22:23,670 INFO L278 TraceCheckSpWp]: Computing forward predicates...