./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.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_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/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_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/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_7cfa79e4-84e2-4543-bb2e-85e91652e468/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 6a164251bff3896ce465c3ad11928c4a52d2dfb0ec3f47c0eeea2d1f5b35013f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:22:09,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:22:09,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:22:09,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:22:09,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:22:09,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:22:09,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:22:09,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:22:09,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:22:09,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:22:09,812 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:22:09,813 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:22:09,813 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:22:09,813 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:22:09,814 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:22:09,818 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:22:09,818 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:22:09,818 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:22:09,819 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:22:09,819 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:22:09,819 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:22:09,820 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:22:09,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:22:09,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:22:09,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:22:09,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:22:09,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:22:09,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:22:09,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:22:09,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:22:09,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:22:09,826 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:22:09,827 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:22:09,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:22:09,827 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:22:09,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:22:09,828 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:22:09,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:22:09,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:09,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:22:09,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:22:09,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:22:09,829 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:22:09,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:22:09,830 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:22:09,830 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:22:09,831 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:22:09,831 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_7cfa79e4-84e2-4543-bb2e-85e91652e468/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a164251bff3896ce465c3ad11928c4a52d2dfb0ec3f47c0eeea2d1f5b35013f [2024-11-02 11:22:10,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:22:10,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:22:10,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:22:10,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:22:10,182 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:22:10,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i Unable to find full path for "g++" [2024-11-02 11:22:12,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:22:12,724 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:22:12,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i [2024-11-02 11:22:12,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/data/8cd30c891/051fd2d13e634b0d8fc09724c96e6b24/FLAGae39fa0ef [2024-11-02 11:22:12,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/data/8cd30c891/051fd2d13e634b0d8fc09724c96e6b24 [2024-11-02 11:22:12,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:22:12,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:22:12,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:12,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:22:12,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:22:12,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5486e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:12, skipping insertion in model container [2024-11-02 11:22:12,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:12" (1/1) ... [2024-11-02 11:22:12,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:22:13,072 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_7cfa79e4-84e2-4543-bb2e-85e91652e468/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i[915,928] [2024-11-02 11:22:13,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:13,167 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:22:13,184 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_7cfa79e4-84e2-4543-bb2e-85e91652e468/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i[915,928] [2024-11-02 11:22:13,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:13,231 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:22:13,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13 WrapperNode [2024-11-02 11:22:13,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:13,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:13,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:22:13,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:22:13,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,278 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2024-11-02 11:22:13,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:13,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:22:13,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:22:13,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:22:13,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:22:13,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:22:13,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:22:13,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:22:13,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (1/1) ... [2024-11-02 11:22:13,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:13,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:13,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:22:13,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:22:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:22:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:22:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:22:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:22:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:22:13,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:22:13,471 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:22:13,476 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:22:13,757 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-02 11:22:13,757 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:22:13,902 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:22:13,902 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:22:13,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:13 BoogieIcfgContainer [2024-11-02 11:22:13,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:22:13,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:22:13,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:22:13,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:22:13,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:22:12" (1/3) ... [2024-11-02 11:22:13,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230c7744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:13, skipping insertion in model container [2024-11-02 11:22:13,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:13" (2/3) ... [2024-11-02 11:22:13,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230c7744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:13, skipping insertion in model container [2024-11-02 11:22:13,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:13" (3/3) ... [2024-11-02 11:22:13,915 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-99.i [2024-11-02 11:22:13,940 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:22:13,940 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:22:14,018 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:22:14,030 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;@5b7cce3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:22:14,030 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:22:14,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-02 11:22:14,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-02 11:22:14,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:14,049 INFO L215 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:14,051 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:22:14,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:14,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1853177043, now seen corresponding path program 1 times [2024-11-02 11:22:14,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:22:14,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325072643] [2024-11-02 11:22:14,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:14,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:22:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:22:14,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:22:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:22:14,471 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:22:14,473 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:22:14,475 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 11:22:14,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:22:14,482 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:22:14,552 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:22:14,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:22:14 BoogieIcfgContainer [2024-11-02 11:22:14,558 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:22:14,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:22:14,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:22:14,559 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:22:14,559 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:13" (3/4) ... [2024-11-02 11:22:14,565 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:22:14,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:22:14,568 INFO L158 Benchmark]: Toolchain (without parser) took 1800.73ms. Allocated memory is still 161.5MB. Free memory was 127.4MB in the beginning and 67.5MB in the end (delta: 59.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-02 11:22:14,568 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 161.5MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:22:14,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.71ms. Allocated memory is still 161.5MB. Free memory was 126.8MB in the beginning and 113.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 11:22:14,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.69ms. Allocated memory is still 161.5MB. Free memory was 113.0MB in the beginning and 111.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:22:14,570 INFO L158 Benchmark]: Boogie Preprocessor took 29.79ms. Allocated memory is still 161.5MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 915.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:22:14,572 INFO L158 Benchmark]: RCFGBuilder took 589.99ms. Allocated memory is still 161.5MB. Free memory was 110.0MB in the beginning and 89.9MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-02 11:22:14,573 INFO L158 Benchmark]: TraceAbstraction took 652.05ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 68.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-02 11:22:14,574 INFO L158 Benchmark]: Witness Printer took 8.35ms. Allocated memory is still 161.5MB. Free memory was 68.0MB in the beginning and 67.5MB in the end (delta: 590.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:22:14,579 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 161.5MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.71ms. Allocated memory is still 161.5MB. Free memory was 126.8MB in the beginning and 113.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.69ms. Allocated memory is still 161.5MB. Free memory was 113.0MB in the beginning and 111.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.79ms. Allocated memory is still 161.5MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 915.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.99ms. Allocated memory is still 161.5MB. Free memory was 110.0MB in the beginning and 89.9MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 652.05ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 68.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 8.35ms. Allocated memory is still 161.5MB. Free memory was 68.0MB in the beginning and 67.5MB in the end (delta: 590.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 42, overapproximation of someUnaryDOUBLEoperation at line 43, overapproximation of someBinaryArithmeticDOUBLEoperation at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 43, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.5; [L23] unsigned char var_1_2 = 16; [L24] float var_1_4 = 1000000000000000.6; [L25] float var_1_5 = 500.5; [L26] float var_1_6 = 99999999999.5; [L27] double var_1_7 = 9.6; [L28] double var_1_8 = -0.2; [L29] double var_1_9 = 25.2; [L30] signed short int var_1_10 = 1; [L31] unsigned char var_1_11 = 0; [L32] signed long int var_1_15 = -64; [L79] isInitial = 1 [L80] FCALL initially() [L81] COND TRUE 1 [L82] FCALL updateLastVariables() [L83] CALL updateVariables() [L55] var_1_2 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L57] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_4=5000000000000003/5, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L58] var_1_4 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_5=1001/2, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L60] var_1_5 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_6=199999999999/2, var_1_7=48/5, var_1_9=126/5] [L62] var_1_6 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5, var_1_9=126/5] [L64] var_1_8 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5, var_1_9=126/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5, var_1_9=126/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L68] var_1_11 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L70] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=-64, var_1_1=511/2, var_1_2=127, var_1_7=48/5] [L83] RET updateVariables() [L84] CALL step() [L36] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); [L37] COND FALSE !((((((200) < (128)) ? (200) : (128))) - var_1_2) > stepLocal_0) [L40] var_1_1 = var_1_6 [L42] COND FALSE !(var_1_5 >= (var_1_4 + var_1_6)) [L45] COND FALSE !(((var_1_6 - var_1_4) + var_1_7) >= var_1_5) [L50] COND TRUE ((var_1_2 + var_1_15) + var_1_15) >= var_1_15 [L51] var_1_10 = var_1_2 [L84] RET step() [L85] CALL, EXPR property() [L75-L76] return (((((((((200) < (128)) ? (200) : (128))) - var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (var_1_1 == ((float) (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6))) : (var_1_1 == ((float) var_1_6))) && ((var_1_5 >= (var_1_4 + var_1_6)) ? (var_1_7 == ((double) ((((var_1_8 + var_1_9) < 0 ) ? -(var_1_8 + var_1_9) : (var_1_8 + var_1_9))))) : 1)) && ((((var_1_2 + var_1_15) + var_1_15) >= var_1_15) ? (var_1_10 == ((signed short int) var_1_2)) : 1)) && ((((var_1_6 - var_1_4) + var_1_7) >= var_1_5) ? (var_1_11 ? (var_1_15 == ((signed long int) 100)) : 1) : 1) ; [L85] RET, EXPR property() [L85] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=127, var_1_11=1, var_1_15=-64, var_1_1=1000000000000005, var_1_2=127, var_1_6=1000000000000005, var_1_7=48/5] [L19] reach_error() VAL [isInitial=1, var_1_10=127, var_1_11=1, var_1_15=-64, var_1_1=1000000000000005, var_1_2=127, var_1_6=1000000000000005, var_1_7=48/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 9, 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=25occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 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 11:22:14,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/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_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/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_7cfa79e4-84e2-4543-bb2e-85e91652e468/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 6a164251bff3896ce465c3ad11928c4a52d2dfb0ec3f47c0eeea2d1f5b35013f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:22:17,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:22:17,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 11:22:17,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:22:17,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:22:17,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:22:17,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:22:17,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:22:17,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:22:17,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:22:17,406 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:22:17,406 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:22:17,407 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:22:17,409 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:22:17,410 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:22:17,410 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:22:17,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:22:17,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:22:17,412 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:22:17,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:22:17,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:22:17,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:22:17,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:22:17,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:22:17,415 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:22:17,415 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:22:17,416 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:22:17,416 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:22:17,416 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:22:17,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:22:17,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:22:17,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:22:17,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:22:17,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:22:17,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:22:17,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:17,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:22:17,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:22:17,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:22:17,422 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:22:17,422 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:22:17,423 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:22:17,423 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:22:17,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:22:17,424 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_7cfa79e4-84e2-4543-bb2e-85e91652e468/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a164251bff3896ce465c3ad11928c4a52d2dfb0ec3f47c0eeea2d1f5b35013f [2024-11-02 11:22:17,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:22:17,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:22:17,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:22:17,871 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:22:17,872 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:22:17,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i Unable to find full path for "g++" [2024-11-02 11:22:20,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:22:20,484 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:22:20,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i [2024-11-02 11:22:20,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/data/25ca2679a/a9396e03707241cbbee650fa4227ea94/FLAG94bcb5745 [2024-11-02 11:22:20,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/data/25ca2679a/a9396e03707241cbbee650fa4227ea94 [2024-11-02 11:22:20,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:22:20,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:22:20,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:20,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:22:20,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:22:20,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:20,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292c4192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20, skipping insertion in model container [2024-11-02 11:22:20,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:20,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:22:20,775 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_7cfa79e4-84e2-4543-bb2e-85e91652e468/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i[915,928] [2024-11-02 11:22:20,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:20,858 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:22:20,870 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_7cfa79e4-84e2-4543-bb2e-85e91652e468/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-99.i[915,928] [2024-11-02 11:22:20,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:22:20,923 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:22:20,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20 WrapperNode [2024-11-02 11:22:20,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:22:20,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:20,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:22:20,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:22:20,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:20,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:20,984 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2024-11-02 11:22:20,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:22:20,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:22:20,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:22:20,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:22:20,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:20,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:20,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:21,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:21,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:21,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:21,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:21,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:21,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:22:21,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:22:21,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:22:21,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:22:21,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (1/1) ... [2024-11-02 11:22:21,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:22:21,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:22:21,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:22:21,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:22:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:22:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:22:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:22:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:22:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:22:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:22:21,202 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:22:21,206 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:22:27,529 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-02 11:22:27,530 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:22:27,553 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:22:27,553 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:22:27,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:27 BoogieIcfgContainer [2024-11-02 11:22:27,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:22:27,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:22:27,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:22:27,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:22:27,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:22:20" (1/3) ... [2024-11-02 11:22:27,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d946f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:27, skipping insertion in model container [2024-11-02 11:22:27,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:22:20" (2/3) ... [2024-11-02 11:22:27,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d946f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:22:27, skipping insertion in model container [2024-11-02 11:22:27,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:22:27" (3/3) ... [2024-11-02 11:22:27,569 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-99.i [2024-11-02 11:22:27,602 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:22:27,603 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:22:27,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:22:27,681 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;@42ae8c8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:22:27,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:22:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-02 11:22:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-02 11:22:27,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:27,700 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:27,701 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:22:27,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:27,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1627403740, now seen corresponding path program 1 times [2024-11-02 11:22:27,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:22:27,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137336214] [2024-11-02 11:22:27,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:27,722 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:22:27,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:22:27,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 11:22:27,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 11:22:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:22:28,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 11:22:28,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:22:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-02 11:22:28,175 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:22:28,176 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:22:28,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137336214] [2024-11-02 11:22:28,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137336214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:22:28,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:22:28,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:22:28,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529145148] [2024-11-02 11:22:28,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:22:28,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:22:28,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:22:28,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:22:28,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:22:28,249 INFO L87 Difference]: Start difference. First operand has 40 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-02 11:22:28,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:22:28,303 INFO L93 Difference]: Finished difference Result 73 states and 115 transitions. [2024-11-02 11:22:28,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:22:28,306 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2024-11-02 11:22:28,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:22:28,317 INFO L225 Difference]: With dead ends: 73 [2024-11-02 11:22:28,318 INFO L226 Difference]: Without dead ends: 36 [2024-11-02 11:22:28,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:22:28,329 INFO L432 NwaCegarLoop]: 49 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, 49 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 11:22:28,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:22:28,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-02 11:22:28,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-02 11:22:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-02 11:22:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2024-11-02 11:22:28,385 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 65 [2024-11-02 11:22:28,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:22:28,386 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2024-11-02 11:22:28,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-02 11:22:28,388 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-11-02 11:22:28,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-02 11:22:28,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:22:28,392 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:22:28,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 11:22:28,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:22:28,594 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:22:28,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:22:28,595 INFO L85 PathProgramCache]: Analyzing trace with hash -17831066, now seen corresponding path program 1 times [2024-11-02 11:22:28,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:22:28,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278442286] [2024-11-02 11:22:28,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:22:28,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:22:28,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:22:28,601 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 11:22:28,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cfa79e4-84e2-4543-bb2e-85e91652e468/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 11:22:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:22:29,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-02 11:22:29,252 INFO L278 TraceCheckSpWp]: Computing forward predicates...