./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash daecda5a34625d8e7f3f0a930a730363a7677d8fd3b8cd0943f5f6f1bfbdafff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:29:02,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:29:02,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:29:02,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:29:02,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:29:02,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:29:02,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:29:02,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:29:02,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:29:02,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:29:02,216 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:29:02,217 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:29:02,217 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:29:02,218 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:29:02,222 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:29:02,222 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:29:02,223 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:29:02,223 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:29:02,223 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:29:02,224 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:29:02,224 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:29:02,225 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:29:02,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:29:02,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:29:02,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:29:02,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:29:02,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:29:02,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:29:02,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:29:02,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:29:02,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:29:02,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:29:02,229 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:29:02,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:29:02,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:29:02,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:29:02,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:29:02,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:29:02,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:02,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:29:02,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:29:02,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:29:02,233 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:29:02,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:29:02,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:29:02,235 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:29:02,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:29:02,235 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_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> daecda5a34625d8e7f3f0a930a730363a7677d8fd3b8cd0943f5f6f1bfbdafff [2024-11-02 12:29:02,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:29:02,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:29:02,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:29:02,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:29:02,620 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:29:02,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-94.i Unable to find full path for "g++" [2024-11-02 12:29:04,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:29:04,924 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:29:04,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-94.i [2024-11-02 12:29:04,932 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/data/9f7f2a28b/b648d059e007401bb903305031fc571d/FLAG0a06b2a54 [2024-11-02 12:29:05,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/data/9f7f2a28b/b648d059e007401bb903305031fc571d [2024-11-02 12:29:05,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:29:05,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:29:05,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:05,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:29:05,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:29:05,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b516b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05, skipping insertion in model container [2024-11-02 12:29:05,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:29:05,535 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-94.i[915,928] [2024-11-02 12:29:05,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:05,573 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:29:05,587 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-94.i[915,928] [2024-11-02 12:29:05,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:05,624 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:29:05,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05 WrapperNode [2024-11-02 12:29:05,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:05,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:05,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:29:05,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:29:05,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,678 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-02 12:29:05,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:05,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:29:05,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:29:05,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:29:05,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:29:05,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:29:05,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:29:05,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:29:05,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:05,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:05,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:29:05,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:29:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:29:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:29:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:29:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:29:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:29:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:29:05,952 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:29:05,955 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:29:06,301 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:29:06,301 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:29:06,496 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:29:06,497 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:29:06,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:06 BoogieIcfgContainer [2024-11-02 12:29:06,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:29:06,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:29:06,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:29:06,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:29:06,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:29:05" (1/3) ... [2024-11-02 12:29:06,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a027056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:06, skipping insertion in model container [2024-11-02 12:29:06,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (2/3) ... [2024-11-02 12:29:06,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a027056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:06, skipping insertion in model container [2024-11-02 12:29:06,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:06" (3/3) ... [2024-11-02 12:29:06,508 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-94.i [2024-11-02 12:29:06,528 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:29:06,532 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:29:06,608 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:29:06,614 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;@37017a6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:29:06,615 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:29:06,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:29:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-02 12:29:06,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:06,630 INFO L215 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:29:06,630 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:06,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:06,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1060002809, now seen corresponding path program 1 times [2024-11-02 12:29:06,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:29:06,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415768714] [2024-11-02 12:29:06,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:06,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:29:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:29:06,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:29:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:29:07,071 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:29:07,073 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:29:07,074 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:29:07,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:29:07,083 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:29:07,136 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:29:07,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:29:07 BoogieIcfgContainer [2024-11-02 12:29:07,141 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:29:07,142 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:29:07,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:29:07,144 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:29:07,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:06" (3/4) ... [2024-11-02 12:29:07,147 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:29:07,149 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:29:07,151 INFO L158 Benchmark]: Toolchain (without parser) took 1844.38ms. Allocated memory was 136.3MB in the beginning and 216.0MB in the end (delta: 79.7MB). Free memory was 88.2MB in the beginning and 141.5MB in the end (delta: -53.4MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-02 12:29:07,152 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory was 99.3MB in the beginning and 99.3MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:07,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.51ms. Allocated memory is still 136.3MB. Free memory was 87.8MB in the beginning and 74.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 12:29:07,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.10ms. Allocated memory is still 136.3MB. Free memory was 74.6MB in the beginning and 72.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:07,156 INFO L158 Benchmark]: Boogie Preprocessor took 54.65ms. Allocated memory is still 136.3MB. Free memory was 72.2MB in the beginning and 71.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:07,158 INFO L158 Benchmark]: RCFGBuilder took 758.50ms. Allocated memory was 136.3MB in the beginning and 216.0MB in the end (delta: 79.7MB). Free memory was 71.1MB in the beginning and 167.8MB in the end (delta: -96.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-02 12:29:07,159 INFO L158 Benchmark]: TraceAbstraction took 640.80ms. Allocated memory is still 216.0MB. Free memory was 166.7MB in the beginning and 142.6MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 12:29:07,160 INFO L158 Benchmark]: Witness Printer took 8.36ms. Allocated memory is still 216.0MB. Free memory was 141.5MB in the beginning and 141.5MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:07,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory was 99.3MB in the beginning and 99.3MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.51ms. Allocated memory is still 136.3MB. Free memory was 87.8MB in the beginning and 74.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.10ms. Allocated memory is still 136.3MB. Free memory was 74.6MB in the beginning and 72.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.65ms. Allocated memory is still 136.3MB. Free memory was 72.2MB in the beginning and 71.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 758.50ms. Allocated memory was 136.3MB in the beginning and 216.0MB in the end (delta: 79.7MB). Free memory was 71.1MB in the beginning and 167.8MB in the end (delta: -96.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * TraceAbstraction took 640.80ms. Allocated memory is still 216.0MB. Free memory was 166.7MB in the beginning and 142.6MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 8.36ms. Allocated memory is still 216.0MB. Free memory was 141.5MB in the beginning and 141.5MB in the end (delta: 2.0kB). 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 shiftRight at line 33. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 2; [L23] unsigned short int var_1_2 = 45931; [L24] unsigned short int var_1_3 = 30067; [L25] unsigned short int var_1_4 = 256; [L26] unsigned short int var_1_5 = 10000; [L27] unsigned short int var_1_6 = 5; [L28] signed long int var_1_7 = -5; [L62] isInitial = 1 [L63] FCALL initially() [L64] COND TRUE 1 [L65] FCALL updateLastVariables() [L66] CALL updateVariables() [L39] var_1_2 = __VERIFIER_nondet_ushort() [L40] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=30067, var_1_4=256, var_1_5=10000, var_1_6=5, var_1_7=-5] [L20] COND FALSE !(!cond) [L40] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=30067, var_1_4=256, var_1_5=10000, var_1_6=5, var_1_7=-5] [L41] CALL assume_abort_if_not(var_1_2 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=30067, var_1_4=256, var_1_5=10000, var_1_6=5, var_1_7=-5] [L20] COND FALSE !(!cond) [L41] RET assume_abort_if_not(var_1_2 <= 65534) VAL [isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=30067, var_1_4=256, var_1_5=10000, var_1_6=5, var_1_7=-5] [L42] var_1_3 = __VERIFIER_nondet_ushort() [L43] CALL assume_abort_if_not(var_1_3 >= 24575) VAL [\old(cond)=1, isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=256, var_1_5=10000, var_1_6=5, var_1_7=-5] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_3 >= 24575) VAL [isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=256, var_1_5=10000, var_1_6=5, var_1_7=-5] [L44] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=256, var_1_5=10000, var_1_6=5, var_1_7=-5] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=256, var_1_5=10000, var_1_6=5, var_1_7=-5] [L45] var_1_4 = __VERIFIER_nondet_ushort() [L46] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_5=10000, var_1_6=5, var_1_7=-5] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_5=10000, var_1_6=5, var_1_7=-5] [L47] CALL assume_abort_if_not(var_1_4 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=10000, var_1_6=5, var_1_7=-5] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_4 <= 8192) VAL [isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=10000, var_1_6=5, var_1_7=-5] [L48] var_1_5 = __VERIFIER_nondet_ushort() [L49] CALL assume_abort_if_not(var_1_5 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=16383, var_1_6=5, var_1_7=-5] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_5 >= 8191) VAL [isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=16383, var_1_6=5, var_1_7=-5] [L50] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=16383, var_1_6=5, var_1_7=-5] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=16383, var_1_6=5, var_1_7=-5] [L51] var_1_6 = __VERIFIER_nondet_ushort() [L52] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=16383, var_1_7=-5] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=16383, var_1_7=-5] [L53] CALL assume_abort_if_not(var_1_6 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=16383, var_1_6=0, var_1_7=-5] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_6 <= 8191) VAL [isInitial=1, var_1_1=2, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=16383, var_1_6=0, var_1_7=-5] [L66] RET updateVariables() [L67] CALL step() [L32] var_1_1 = (var_1_2 - ((var_1_3 - var_1_4) - (var_1_5 - var_1_6))) [L33] EXPR (var_1_3 + var_1_6) >> var_1_1 [L33] signed long int stepLocal_0 = (var_1_3 + var_1_6) >> var_1_1; [L34] COND FALSE !(var_1_4 != stepLocal_0) [L67] RET step() [L68] CALL, EXPR property() [L58] EXPR (var_1_1 == ((unsigned short int) (var_1_2 - ((var_1_3 - var_1_4) - (var_1_5 - var_1_6))))) && ((var_1_4 != ((var_1_3 + var_1_6) >> var_1_1)) ? (var_1_7 == ((signed long int) var_1_2)) : 1) [L58] EXPR (var_1_3 + var_1_6) >> var_1_1 [L58] EXPR (var_1_1 == ((unsigned short int) (var_1_2 - ((var_1_3 - var_1_4) - (var_1_5 - var_1_6))))) && ((var_1_4 != ((var_1_3 + var_1_6) >> var_1_1)) ? (var_1_7 == ((signed long int) var_1_2)) : 1) [L58-L59] return (var_1_1 == ((unsigned short int) (var_1_2 - ((var_1_3 - var_1_4) - (var_1_5 - var_1_6))))) && ((var_1_4 != ((var_1_3 + var_1_6) >> var_1_1)) ? (var_1_7 == ((signed long int) var_1_2)) : 1) ; [L68] RET, EXPR property() [L68] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=65534, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=16383, var_1_6=0, var_1_7=-5] [L19] reach_error() VAL [isInitial=1, var_1_1=65534, var_1_2=-1610481666, var_1_3=24575, var_1_4=8192, var_1_5=16383, var_1_6=0, var_1_7=-5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 10, 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=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:29:07,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash daecda5a34625d8e7f3f0a930a730363a7677d8fd3b8cd0943f5f6f1bfbdafff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:29:09,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:29:09,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:29:09,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:29:09,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:29:09,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:29:09,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:29:09,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:29:09,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:29:10,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:29:10,001 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:29:10,001 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:29:10,001 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:29:10,003 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:29:10,003 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:29:10,003 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:29:10,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:29:10,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:29:10,007 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:29:10,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:29:10,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:29:10,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:29:10,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:29:10,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:29:10,013 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:29:10,013 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:29:10,014 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:29:10,014 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:29:10,014 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:29:10,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:29:10,015 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:29:10,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:29:10,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:29:10,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:29:10,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:29:10,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:10,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:29:10,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:29:10,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:29:10,020 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:29:10,020 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:29:10,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:29:10,021 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:29:10,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:29:10,021 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> daecda5a34625d8e7f3f0a930a730363a7677d8fd3b8cd0943f5f6f1bfbdafff [2024-11-02 12:29:10,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:29:10,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:29:10,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:29:10,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:29:10,490 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:29:10,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-94.i Unable to find full path for "g++" [2024-11-02 12:29:12,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:29:12,910 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:29:12,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-94.i [2024-11-02 12:29:12,921 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/data/2a92b61b9/72a7b6fcfa8440ea887bbcf5aa4b692c/FLAG22880a7c2 [2024-11-02 12:29:12,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/data/2a92b61b9/72a7b6fcfa8440ea887bbcf5aa4b692c [2024-11-02 12:29:12,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:29:12,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:29:12,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:12,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:29:12,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:29:12,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:12" (1/1) ... [2024-11-02 12:29:12,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5436bd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:12, skipping insertion in model container [2024-11-02 12:29:12,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:12" (1/1) ... [2024-11-02 12:29:12,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:29:13,175 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-94.i[915,928] [2024-11-02 12:29:13,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:13,234 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:29:13,248 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-94.i[915,928] [2024-11-02 12:29:13,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:13,291 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:29:13,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13 WrapperNode [2024-11-02 12:29:13,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:13,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:13,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:29:13,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:29:13,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (1/1) ... [2024-11-02 12:29:13,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (1/1) ... [2024-11-02 12:29:13,344 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2024-11-02 12:29:13,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:13,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:29:13,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:29:13,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:29:13,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (1/1) ... [2024-11-02 12:29:13,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (1/1) ... [2024-11-02 12:29:13,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (1/1) ... [2024-11-02 12:29:13,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (1/1) ... [2024-11-02 12:29:13,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (1/1) ... [2024-11-02 12:29:13,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (1/1) ... [2024-11-02 12:29:13,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (1/1) ... [2024-11-02 12:29:13,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (1/1) ... [2024-11-02 12:29:13,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:29:13,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:29:13,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:29:13,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:29:13,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (1/1) ... [2024-11-02 12:29:13,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:13,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:13,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:29:13,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:29:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:29:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:29:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:29:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:29:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:29:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:29:13,611 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:29:13,615 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:29:13,852 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-02 12:29:13,852 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:29:13,868 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:29:13,869 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:29:13,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:13 BoogieIcfgContainer [2024-11-02 12:29:13,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:29:13,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:29:13,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:29:13,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:29:13,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:29:12" (1/3) ... [2024-11-02 12:29:13,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@826c532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:13, skipping insertion in model container [2024-11-02 12:29:13,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:13" (2/3) ... [2024-11-02 12:29:13,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@826c532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:13, skipping insertion in model container [2024-11-02 12:29:13,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:13" (3/3) ... [2024-11-02 12:29:13,877 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-94.i [2024-11-02 12:29:13,894 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:29:13,895 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:29:13,956 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:29:13,963 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;@2cf7b824, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:29:13,963 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:29:13,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:29:13,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-02 12:29:13,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:13,979 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:29:13,980 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:13,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:13,985 INFO L85 PathProgramCache]: Analyzing trace with hash -927168940, now seen corresponding path program 1 times [2024-11-02 12:29:14,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:14,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769082984] [2024-11-02 12:29:14,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:14,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:29:14,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:14,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:29:14,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:29:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:14,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-02 12:29:14,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 147 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-02 12:29:17,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:29:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-02 12:29:18,410 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:18,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769082984] [2024-11-02 12:29:18,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769082984] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-02 12:29:18,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 12:29:18,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [27] total 31 [2024-11-02 12:29:18,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151029827] [2024-11-02 12:29:18,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:18,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:29:18,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:18,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:29:18,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=746, Unknown=0, NotChecked=0, Total=930 [2024-11-02 12:29:18,451 INFO L87 Difference]: Start difference. First operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-02 12:29:18,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:18,747 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2024-11-02 12:29:18,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:29:18,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2024-11-02 12:29:18,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:18,760 INFO L225 Difference]: With dead ends: 69 [2024-11-02 12:29:18,761 INFO L226 Difference]: Without dead ends: 37 [2024-11-02 12:29:18,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=194, Invalid=862, Unknown=0, NotChecked=0, Total=1056 [2024-11-02 12:29:18,771 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 10 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:18,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 133 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:29:18,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-02 12:29:18,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2024-11-02 12:29:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-02 12:29:18,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2024-11-02 12:29:18,830 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 65 [2024-11-02 12:29:18,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:18,854 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2024-11-02 12:29:18,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-02 12:29:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-02 12:29:18,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-02 12:29:18,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:18,867 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:29:18,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:29:19,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:29:19,068 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:19,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:19,069 INFO L85 PathProgramCache]: Analyzing trace with hash -925321898, now seen corresponding path program 1 times [2024-11-02 12:29:19,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:19,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032829299] [2024-11-02 12:29:19,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:19,070 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:29:19,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:19,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:29:19,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:29:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:19,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-02 12:29:19,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 145 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-02 12:29:22,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:29:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-02 12:29:23,426 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:23,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032829299] [2024-11-02 12:29:23,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032829299] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-02 12:29:23,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 12:29:23,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [30] total 34 [2024-11-02 12:29:23,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667205257] [2024-11-02 12:29:23,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:23,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:29:23,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:23,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:29:23,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=895, Unknown=0, NotChecked=0, Total=1122 [2024-11-02 12:29:23,436 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-02 12:29:23,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:23,838 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2024-11-02 12:29:23,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:29:23,840 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2024-11-02 12:29:23,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:23,841 INFO L225 Difference]: With dead ends: 37 [2024-11-02 12:29:23,842 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 12:29:23,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=237, Invalid=1023, Unknown=0, NotChecked=0, Total=1260 [2024-11-02 12:29:23,844 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:23,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 152 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:29:23,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 12:29:23,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 12:29:23,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 12:29:23,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2024-11-02 12:29:23,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:23,848 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 12:29:23,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-02 12:29:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 12:29:23,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 12:29:23,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:29:23,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 12:29:24,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:29:24,058 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 12:29:24,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-02 12:29:24,093 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:29:24,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:29:24 BoogieIcfgContainer [2024-11-02 12:29:24,119 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:29:24,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:29:24,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:29:24,121 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:29:24,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:13" (3/4) ... [2024-11-02 12:29:24,125 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:29:24,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-02 12:29:24,137 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-02 12:29:24,138 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-02 12:29:24,140 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-02 12:29:24,140 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-02 12:29:24,252 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:29:24,252 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:29:24,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:29:24,253 INFO L158 Benchmark]: Toolchain (without parser) took 11306.13ms. Allocated memory was 77.6MB in the beginning and 125.8MB in the end (delta: 48.2MB). Free memory was 53.5MB in the beginning and 68.2MB in the end (delta: -14.8MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2024-11-02 12:29:24,254 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:24,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.73ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 39.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 12:29:24,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.69ms. Allocated memory is still 77.6MB. Free memory was 39.8MB in the beginning and 38.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:24,255 INFO L158 Benchmark]: Boogie Preprocessor took 56.21ms. Allocated memory is still 77.6MB. Free memory was 38.1MB in the beginning and 36.6MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:29:24,256 INFO L158 Benchmark]: RCFGBuilder took 466.65ms. Allocated memory is still 77.6MB. Free memory was 36.6MB in the beginning and 47.4MB in the end (delta: -10.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:29:24,256 INFO L158 Benchmark]: TraceAbstraction took 10247.85ms. Allocated memory was 77.6MB in the beginning and 125.8MB in the end (delta: 48.2MB). Free memory was 46.8MB in the beginning and 73.5MB in the end (delta: -26.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:24,257 INFO L158 Benchmark]: Witness Printer took 131.56ms. Allocated memory is still 125.8MB. Free memory was 72.4MB in the beginning and 68.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:29:24,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.73ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 39.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.69ms. Allocated memory is still 77.6MB. Free memory was 39.8MB in the beginning and 38.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.21ms. Allocated memory is still 77.6MB. Free memory was 38.1MB in the beginning and 36.6MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 466.65ms. Allocated memory is still 77.6MB. Free memory was 36.6MB in the beginning and 47.4MB in the end (delta: -10.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 10247.85ms. Allocated memory was 77.6MB in the beginning and 125.8MB in the end (delta: 48.2MB). Free memory was 46.8MB in the beginning and 73.5MB in the end (delta: -26.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 131.56ms. Allocated memory is still 125.8MB. Free memory was 72.4MB in the beginning and 68.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 285 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 207 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 78 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 2396 SizeOfPredicates, 15 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 657/720 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) RESULT: Ultimate proved your program to be correct! [2024-11-02 12:29:24,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eeeb968-9d5f-454e-a402-578eff6d5e9a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE