./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje --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 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:54:18,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:54:18,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:54:18,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:54:18,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:54:18,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:54:18,261 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:54:18,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:54:18,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:54:18,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:54:18,264 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:54:18,265 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:54:18,265 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:54:18,266 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:54:18,266 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:54:18,267 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:54:18,267 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:54:18,268 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:54:18,268 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:54:18,273 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:54:18,273 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:54:18,278 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:54:18,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:54:18,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:54:18,279 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:54:18,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:54:18,280 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:54:18,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:54:18,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:54:18,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:54:18,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:54:18,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:54:18,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:54:18,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:54:18,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:54:18,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:54:18,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:54:18,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:54:18,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:54:18,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:54:18,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:54:18,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:54:18,292 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:54:18,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:54:18,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:54:18,293 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:54:18,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:54:18,294 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_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 [2024-11-09 05:54:18,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:54:18,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:54:18,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:54:18,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:54:18,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:54:18,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i Unable to find full path for "g++" [2024-11-09 05:54:20,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:54:20,852 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:54:20,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i [2024-11-09 05:54:20,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/data/f3e310299/58b8e30a3f8e43a5932507bed218f311/FLAG508814176 [2024-11-09 05:54:21,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/data/f3e310299/58b8e30a3f8e43a5932507bed218f311 [2024-11-09 05:54:21,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:54:21,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:54:21,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:54:21,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:54:21,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:54:21,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a23b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21, skipping insertion in model container [2024-11-09 05:54:21,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:54:21,443 WARN L250 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_07805508-8415-4629-bc28-d1e39747e150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2024-11-09 05:54:21,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:54:21,534 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:54:21,548 WARN L250 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_07805508-8415-4629-bc28-d1e39747e150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2024-11-09 05:54:21,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:54:21,613 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:54:21,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21 WrapperNode [2024-11-09 05:54:21,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:54:21,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:54:21,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:54:21,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:54:21,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,689 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-09 05:54:21,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:54:21,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:54:21,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:54:21,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:54:21,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:54:21,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:54:21,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:54:21,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:54:21,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (1/1) ... [2024-11-09 05:54:21,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:54:21,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:54:21,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:54:21,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:54:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:54:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:54:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:54:21,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:54:21,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:54:21,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:54:21,945 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:54:21,950 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:54:22,341 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 05:54:22,341 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:54:22,562 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:54:22,565 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:54:22,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:22 BoogieIcfgContainer [2024-11-09 05:54:22,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:54:22,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:54:22,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:54:22,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:54:22,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:54:21" (1/3) ... [2024-11-09 05:54:22,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b27695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:22, skipping insertion in model container [2024-11-09 05:54:22,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:21" (2/3) ... [2024-11-09 05:54:22,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b27695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:22, skipping insertion in model container [2024-11-09 05:54:22,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:22" (3/3) ... [2024-11-09 05:54:22,577 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-85.i [2024-11-09 05:54:22,598 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:54:22,598 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:54:22,697 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:54:22,709 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;@7bce9bdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:54:22,710 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:54:22,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 05:54:22,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 05:54:22,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:22,730 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:54:22,731 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:22,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:22,740 INFO L85 PathProgramCache]: Analyzing trace with hash -375965904, now seen corresponding path program 1 times [2024-11-09 05:54:22,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:54:22,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441178269] [2024-11-09 05:54:22,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:22,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:54:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:54:23,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2052493437] [2024-11-09 05:54:23,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:23,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:54:23,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:54:23,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:54:23,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:54:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:54:23,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:54:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:54:23,750 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:54:23,754 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:54:23,756 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:54:23,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:54:23,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 05:54:23,964 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:54:24,036 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:54:24,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:54:24 BoogieIcfgContainer [2024-11-09 05:54:24,040 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:54:24,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:54:24,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:54:24,041 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:54:24,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:22" (3/4) ... [2024-11-09 05:54:24,045 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:54:24,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:54:24,048 INFO L158 Benchmark]: Toolchain (without parser) took 2828.78ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 107.3MB in the beginning and 116.3MB in the end (delta: -9.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-11-09 05:54:24,048 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:54:24,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.88ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 90.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 05:54:24,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.45ms. Allocated memory is still 144.7MB. Free memory was 90.9MB in the beginning and 87.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:54:24,050 INFO L158 Benchmark]: Boogie Preprocessor took 64.60ms. Allocated memory is still 144.7MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:54:24,051 INFO L158 Benchmark]: RCFGBuilder took 811.01ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 85.5MB in the beginning and 163.7MB in the end (delta: -78.2MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-09 05:54:24,052 INFO L158 Benchmark]: TraceAbstraction took 1471.02ms. Allocated memory is still 203.4MB. Free memory was 163.3MB in the beginning and 117.1MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-09 05:54:24,052 INFO L158 Benchmark]: Witness Printer took 5.78ms. Allocated memory is still 203.4MB. Free memory was 117.1MB in the beginning and 116.3MB in the end (delta: 845.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:54:24,056 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 144.7MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.88ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 90.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.45ms. Allocated memory is still 144.7MB. Free memory was 90.9MB in the beginning and 87.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.60ms. Allocated memory is still 144.7MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 811.01ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 85.5MB in the beginning and 163.7MB in the end (delta: -78.2MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1471.02ms. Allocated memory is still 203.4MB. Free memory was 163.3MB in the beginning and 117.1MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 5.78ms. Allocated memory is still 203.4MB. Free memory was 117.1MB in the beginning and 116.3MB in the end (delta: 845.6kB). Peak memory consumption was 2.1MB. 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 someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 123, overapproximation of someBinaryArithmeticDOUBLEoperation at line 81. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000; [L23] unsigned short int var_1_2 = 2; [L24] unsigned short int var_1_3 = 8; [L25] unsigned char var_1_4 = 1; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] float var_1_7 = 0.6; [L29] unsigned long int var_1_8 = 32; [L30] unsigned long int var_1_9 = 32; [L31] float var_1_10 = 49.359; [L32] float var_1_11 = 5.5; [L33] unsigned long int var_1_12 = 128; [L34] unsigned char var_1_13 = 16; [L35] unsigned char var_1_14 = 0; [L36] unsigned long int var_1_15 = 8; [L37] unsigned char var_1_16 = 0; [L38] unsigned char var_1_17 = 0; [L39] double var_1_18 = 1.8; [L40] double var_1_19 = 4.5; [L41] double var_1_20 = 15.5; [L127] isInitial = 1 [L128] FCALL initially() [L129] COND TRUE 1 [L130] FCALL updateLastVariables() [L131] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_ushort() [L86] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L87] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_3=8, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L88] var_1_3 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L90] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L91] var_1_4 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L93] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L94] var_1_6 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L96] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L97] var_1_8 = __VERIFIER_nondet_ulong() [L98] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L99] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L100] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=32] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=32] [L101] var_1_9 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2] [L103] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2] [L104] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, var_1_10=49359/1000, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L105] var_1_10 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L107] var_1_11 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L109] var_1_14 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L111] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L112] var_1_17 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L114] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L115] var_1_19 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L117] var_1_20 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=128, var_1_13=16, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=2, var_1_9=2] [L131] RET updateVariables() [L132] CALL step() [L45] unsigned short int stepLocal_1 = var_1_2; [L46] signed long int stepLocal_0 = -10000000; [L47] COND FALSE !(stepLocal_1 < ((- var_1_3) * 64)) [L58] unsigned long int stepLocal_2 = var_1_3 + var_1_1; [L59] COND FALSE !(var_1_2 <= stepLocal_2) [L62] var_1_5 = var_1_6 [L64] COND FALSE !((var_1_2 + (var_1_3 * var_1_1)) <= ((32u / var_1_8) / var_1_9)) [L69] var_1_7 = var_1_11 [L71] COND FALSE !(var_1_7 <= (- (32.8f + var_1_10))) [L74] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L75] COND FALSE !(\read(var_1_4)) [L78] var_1_16 = (var_1_6 && var_1_17) [L79] unsigned char stepLocal_3 = var_1_17; [L80] COND FALSE !(var_1_5 || stepLocal_3) [L132] RET step() [L133] CALL, EXPR property() [L123-L124] return ((((((((var_1_2 < ((- var_1_3) * 64)) ? (var_1_4 ? (var_1_1 == ((unsigned long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : ((-10000000 < var_1_2) ? (var_1_1 == ((unsigned long int) (((((((var_1_3) > (5u)) ? (var_1_3) : (5u))) < 0 ) ? -((((var_1_3) > (5u)) ? (var_1_3) : (5u))) : ((((var_1_3) > (5u)) ? (var_1_3) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((var_1_2 <= (var_1_3 + var_1_1)) ? (var_1_5 == ((unsigned char) ((var_1_3 == var_1_2) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_2 + (var_1_3 * var_1_1)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_10) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_10))) ? (var_1_12 == ((unsigned long int) var_1_3)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_4 ? (var_1_15 == ((unsigned long int) ((((var_1_3) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_3) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1) ; [L133] RET, EXPR property() [L133] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_2=65535, var_1_3=251, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_11=2, var_1_12=128, var_1_13=1, var_1_14=1, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_2=65535, var_1_3=251, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 22, 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=43occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 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 [2024-11-09 05:54:24,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/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_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje --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 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:54:26,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:54:26,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:54:26,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:54:26,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:54:26,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:54:26,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:54:26,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:54:26,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:54:26,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:54:26,644 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:54:26,644 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:54:26,645 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:54:26,646 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:54:26,646 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:54:26,646 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:54:26,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:54:26,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:54:26,648 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:54:26,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:54:26,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:54:26,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:54:26,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:54:26,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:54:26,653 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:54:26,654 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:54:26,654 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:54:26,654 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:54:26,654 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:54:26,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:54:26,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:54:26,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:54:26,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:54:26,656 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:54:26,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:54:26,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:54:26,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:54:26,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:54:26,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:54:26,658 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:54:26,658 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:54:26,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:54:26,668 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:54:26,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40384ac9b2743f2fb4df45210990a99e673191370055771fd2d7f1b4247f5633 [2024-11-09 05:54:27,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:54:27,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:54:27,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:54:27,086 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:54:27,087 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:54:27,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i Unable to find full path for "g++" [2024-11-09 05:54:29,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:54:29,382 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:54:29,383 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i [2024-11-09 05:54:29,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/data/4a5acdbc9/d33f7ec795da43d99092d3686145bea9/FLAG1a665fbaf [2024-11-09 05:54:29,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/data/4a5acdbc9/d33f7ec795da43d99092d3686145bea9 [2024-11-09 05:54:29,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:54:29,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:54:29,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:54:29,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:54:29,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:54:29,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:29,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc526dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29, skipping insertion in model container [2024-11-09 05:54:29,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:29,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:54:29,711 WARN L250 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_07805508-8415-4629-bc28-d1e39747e150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2024-11-09 05:54:29,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:54:29,860 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:54:29,879 WARN L250 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_07805508-8415-4629-bc28-d1e39747e150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-85.i[917,930] [2024-11-09 05:54:29,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:54:29,946 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:54:29,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29 WrapperNode [2024-11-09 05:54:29,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:54:29,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:54:29,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:54:29,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:54:29,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:29,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:30,031 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-09 05:54:30,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:54:30,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:54:30,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:54:30,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:54:30,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:30,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:30,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:30,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:30,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:30,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:30,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:30,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:30,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:54:30,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:54:30,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:54:30,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:54:30,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (1/1) ... [2024-11-09 05:54:30,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:54:30,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:54:30,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:54:30,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:54:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:54:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:54:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:54:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:54:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:54:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:54:30,311 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:54:30,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:54:32,307 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 05:54:32,307 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:54:32,323 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:54:32,324 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:54:32,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:32 BoogieIcfgContainer [2024-11-09 05:54:32,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:54:32,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:54:32,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:54:32,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:54:32,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:54:29" (1/3) ... [2024-11-09 05:54:32,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7139d8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:32, skipping insertion in model container [2024-11-09 05:54:32,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:29" (2/3) ... [2024-11-09 05:54:32,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7139d8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:32, skipping insertion in model container [2024-11-09 05:54:32,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:32" (3/3) ... [2024-11-09 05:54:32,337 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-85.i [2024-11-09 05:54:32,359 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:54:32,360 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:54:32,474 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:54:32,484 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;@393445cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:54:32,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:54:32,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 05:54:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 05:54:32,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:32,518 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:54:32,519 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:32,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:32,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1614977261, now seen corresponding path program 1 times [2024-11-09 05:54:32,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:54:32,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334383570] [2024-11-09 05:54:32,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:32,542 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 [2024-11-09 05:54:32,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:54:32,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:54:32,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:54:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:33,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:54:33,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:54:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-09 05:54:33,182 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:54:33,182 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:54:33,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334383570] [2024-11-09 05:54:33,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334383570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:54:33,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:54:33,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:54:33,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877073468] [2024-11-09 05:54:33,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:54:33,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:54:33,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:54:33,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:54:33,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:54:33,222 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:54:33,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:54:33,272 INFO L93 Difference]: Finished difference Result 121 states and 208 transitions. [2024-11-09 05:54:33,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:54:33,279 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-11-09 05:54:33,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:54:33,293 INFO L225 Difference]: With dead ends: 121 [2024-11-09 05:54:33,293 INFO L226 Difference]: Without dead ends: 59 [2024-11-09 05:54:33,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:54:33,306 INFO L432 NwaCegarLoop]: 86 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, 86 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 [2024-11-09 05:54:33,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:54:33,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-09 05:54:33,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-09 05:54:33,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 05:54:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2024-11-09 05:54:33,379 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 140 [2024-11-09 05:54:33,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:54:33,380 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2024-11-09 05:54:33,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:54:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2024-11-09 05:54:33,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 05:54:33,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:33,388 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:54:33,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:54:33,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:54:33,590 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:33,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:33,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1027234401, now seen corresponding path program 1 times [2024-11-09 05:54:33,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:54:33,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334737845] [2024-11-09 05:54:33,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:33,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:54:33,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:54:33,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:54:33,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:54:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:34,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:54:34,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:54:35,625 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 553 proven. 45 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-09 05:54:35,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:54:36,965 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 75 proven. 48 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-09 05:54:36,965 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:54:36,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334737845] [2024-11-09 05:54:36,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334737845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:54:36,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1323700717] [2024-11-09 05:54:36,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:36,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:54:36,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:54:36,980 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:54:36,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 05:54:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:38,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 05:54:38,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:54:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 553 proven. 45 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-09 05:54:39,397 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:54:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 75 proven. 48 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-09 05:54:40,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1323700717] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:54:40,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727391264] [2024-11-09 05:54:40,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:40,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:54:40,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:54:40,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:54:40,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:54:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:40,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:54:40,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:54:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 553 proven. 45 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-09 05:54:41,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:54:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 75 proven. 48 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-09 05:54:42,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727391264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:54:42,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:54:42,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10, 10, 10] total 14 [2024-11-09 05:54:42,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962236836] [2024-11-09 05:54:42,604 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:54:42,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:54:42,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:54:42,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:54:42,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-09 05:54:42,623 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-09 05:54:45,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:54:46,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:54:46,906 INFO L93 Difference]: Finished difference Result 170 states and 238 transitions. [2024-11-09 05:54:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 05:54:46,907 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 140 [2024-11-09 05:54:46,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:54:46,910 INFO L225 Difference]: With dead ends: 170 [2024-11-09 05:54:46,911 INFO L226 Difference]: Without dead ends: 114 [2024-11-09 05:54:46,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 817 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=240, Invalid=572, Unknown=0, NotChecked=0, Total=812 [2024-11-09 05:54:46,914 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 118 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:54:46,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 252 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 05:54:46,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-09 05:54:46,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 103. [2024-11-09 05:54:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.105263157894737) internal successors, (63), 58 states have internal predecessors, (63), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-09 05:54:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 143 transitions. [2024-11-09 05:54:46,956 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 143 transitions. Word has length 140 [2024-11-09 05:54:46,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:54:46,957 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 143 transitions. [2024-11-09 05:54:46,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (36), 3 states have call predecessors, (36), 7 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-09 05:54:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2024-11-09 05:54:46,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 05:54:46,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:46,965 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:54:46,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 05:54:47,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:54:47,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 05:54:47,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:54:47,567 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:47,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:47,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1025387359, now seen corresponding path program 1 times [2024-11-09 05:54:47,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:54:47,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73046867] [2024-11-09 05:54:47,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:47,569 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 [2024-11-09 05:54:47,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:54:47,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:54:47,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07805508-8415-4629-bc28-d1e39747e150/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 05:54:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:48,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 05:54:48,024 INFO L278 TraceCheckSpWp]: Computing forward predicates...