./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/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_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/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_def52748-e073-42fc-9bef-af6b8ee7fd9e/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 c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:24:35,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:24:35,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:24:35,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:24:35,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:24:35,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:24:35,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:24:35,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:24:35,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:24:35,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:24:35,451 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:24:35,452 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:24:35,452 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:24:35,455 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:24:35,455 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:24:35,456 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:24:35,456 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:24:35,456 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:24:35,457 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:24:35,457 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:24:35,458 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:24:35,458 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:24:35,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:24:35,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:24:35,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:24:35,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:24:35,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:24:35,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:24:35,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:24:35,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:24:35,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:24:35,469 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:24:35,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:24:35,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:24:35,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:24:35,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:24:35,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:24:35,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:24:35,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:35,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:24:35,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:24:35,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:24:35,473 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:24:35,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:24:35,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:24:35,474 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:24:35,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:24:35,474 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_def52748-e073-42fc-9bef-af6b8ee7fd9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 [2024-11-02 11:24:35,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:24:35,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:24:35,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:24:35,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:24:35,819 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:24:35,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i Unable to find full path for "g++" [2024-11-02 11:24:38,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:24:38,300 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:24:38,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2024-11-02 11:24:38,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/data/839413a1f/e54300b194e0437b844adc6a8df47a53/FLAGa6493cba5 [2024-11-02 11:24:38,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/data/839413a1f/e54300b194e0437b844adc6a8df47a53 [2024-11-02 11:24:38,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:24:38,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:24:38,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:38,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:24:38,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:24:38,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:38" (1/1) ... [2024-11-02 11:24:38,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63aee01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:38, skipping insertion in model container [2024-11-02 11:24:38,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:38" (1/1) ... [2024-11-02 11:24:38,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:24:38,990 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_def52748-e073-42fc-9bef-af6b8ee7fd9e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-02 11:24:39,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:39,070 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:24:39,085 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_def52748-e073-42fc-9bef-af6b8ee7fd9e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-02 11:24:39,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:39,130 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:24:39,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39 WrapperNode [2024-11-02 11:24:39,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:39,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:39,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:24:39,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:24:39,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (1/1) ... [2024-11-02 11:24:39,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (1/1) ... [2024-11-02 11:24:39,185 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2024-11-02 11:24:39,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:39,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:24:39,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:24:39,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:24:39,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (1/1) ... [2024-11-02 11:24:39,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (1/1) ... [2024-11-02 11:24:39,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (1/1) ... [2024-11-02 11:24:39,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (1/1) ... [2024-11-02 11:24:39,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (1/1) ... [2024-11-02 11:24:39,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (1/1) ... [2024-11-02 11:24:39,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (1/1) ... [2024-11-02 11:24:39,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (1/1) ... [2024-11-02 11:24:39,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:24:39,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:24:39,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:24:39,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:24:39,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (1/1) ... [2024-11-02 11:24:39,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:39,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:24:39,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:24:39,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:24:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:24:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:24:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:24:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:24:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:24:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:24:39,397 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:24:39,399 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:24:39,767 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-02 11:24:39,767 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:24:39,962 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:24:39,963 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:24:39,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:39 BoogieIcfgContainer [2024-11-02 11:24:39,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:24:39,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:24:39,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:24:39,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:24:39,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:24:38" (1/3) ... [2024-11-02 11:24:39,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf972e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:39, skipping insertion in model container [2024-11-02 11:24:39,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:39" (2/3) ... [2024-11-02 11:24:39,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf972e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:39, skipping insertion in model container [2024-11-02 11:24:39,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:39" (3/3) ... [2024-11-02 11:24:39,978 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-97.i [2024-11-02 11:24:39,995 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:24:39,995 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:24:40,058 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:24:40,064 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;@126e9afa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:24:40,065 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:24:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-02 11:24:40,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-02 11:24:40,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:40,076 INFO L215 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:40,076 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:40,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:40,082 INFO L85 PathProgramCache]: Analyzing trace with hash -969210470, now seen corresponding path program 1 times [2024-11-02 11:24:40,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:24:40,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262557717] [2024-11-02 11:24:40,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:40,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:24:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:24:40,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:24:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:24:40,685 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:24:40,687 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:24:40,688 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 11:24:40,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:24:40,696 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:24:40,777 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:24:40,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:24:40 BoogieIcfgContainer [2024-11-02 11:24:40,781 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:24:40,782 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:24:40,782 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:24:40,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:24:40,783 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:39" (3/4) ... [2024-11-02 11:24:40,787 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:24:40,788 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:24:40,790 INFO L158 Benchmark]: Toolchain (without parser) took 2117.33ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 77.1MB in the end (delta: 41.5MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-02 11:24:40,791 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:24:40,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.30ms. Allocated memory is still 159.4MB. Free memory was 118.2MB in the beginning and 104.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 11:24:40,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.13ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 102.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:24:40,794 INFO L158 Benchmark]: Boogie Preprocessor took 51.51ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 100.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:24:40,794 INFO L158 Benchmark]: RCFGBuilder took 723.85ms. Allocated memory is still 159.4MB. Free memory was 100.7MB in the beginning and 109.8MB in the end (delta: -9.0MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-02 11:24:40,795 INFO L158 Benchmark]: TraceAbstraction took 813.66ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 77.1MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-02 11:24:40,797 INFO L158 Benchmark]: Witness Printer took 6.26ms. Allocated memory is still 159.4MB. Free memory was 77.1MB in the beginning and 77.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:24:40,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.30ms. Allocated memory is still 159.4MB. Free memory was 118.2MB in the beginning and 104.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.13ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 102.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.51ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 100.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 723.85ms. Allocated memory is still 159.4MB. Free memory was 100.7MB in the beginning and 109.8MB in the end (delta: -9.0MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 813.66ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 77.1MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.26ms. Allocated memory is still 159.4MB. Free memory was 77.1MB in the beginning and 77.1MB in the end (delta: 2.6kB). 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 57, overapproximation of bitwiseOr at line 52, overapproximation of someBinaryArithmeticFLOAToperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_6 = 1; [L25] signed short int var_1_7 = 32; [L26] signed short int var_1_8 = 20113; [L27] signed short int var_1_9 = 100; [L28] signed char var_1_10 = 100; [L29] signed char var_1_11 = -1; [L30] signed char var_1_12 = 16; [L31] float var_1_13 = 1.2; [L32] float var_1_14 = 3.6; [L33] float var_1_15 = 5.5; [L34] signed char last_1_var_1_10 = 100; [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L90] last_1_var_1_10 = var_1_10 [L100] RET updateLastVariables() [L101] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L66] var_1_6 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L68] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=32, var_1_8=20113, var_1_9=100] [L69] var_1_7 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=20113, var_1_9=100] [L71] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=20113, var_1_9=100] [L72] var_1_8 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=100] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=100] [L74] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=100] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=100] [L75] var_1_9 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L77] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L78] var_1_11 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L80] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L81] var_1_12 = __VERIFIER_nondet_char() [L82] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L83] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L84] var_1_14 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_15=11/2, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L86] var_1_15 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=55, var_1_12=-31, var_1_13=6/5, var_1_1=16, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L101] RET updateVariables() [L102] CALL step() [L38] COND TRUE \read(var_1_2) [L39] COND FALSE !(last_1_var_1_10 > last_1_var_1_10) [L46] var_1_1 = 8 [L49] COND TRUE var_1_1 == var_1_7 [L50] var_1_10 = (var_1_11 + (var_1_12 + -25)) [L56] COND FALSE !(\read(var_1_6)) [L59] var_1_13 = (var_1_14 - var_1_15) [L102] RET step() [L103] CALL, EXPR property() [L93] EXPR (var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1)) [L93] EXPR (var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1) [L93] EXPR (var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1)) [L93-L94] return ((var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1))) && (var_1_6 ? (var_1_13 == ((float) ((((16.3f) < ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f))))) ? (16.3f) : ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f)))))))) : (var_1_13 == ((float) (var_1_14 - var_1_15)))) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=8, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=100, var_1_10=-1, var_1_11=55, var_1_12=-31, var_1_13=163/10, var_1_1=8, var_1_2=1, var_1_6=0, var_1_7=8, var_1_8=16383, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 16, 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=34occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 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 11:24:40,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/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_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/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_def52748-e073-42fc-9bef-af6b8ee7fd9e/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 c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:24:43,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:24:43,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 11:24:43,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:24:43,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:24:44,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:24:44,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:24:44,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:24:44,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:24:44,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:24:44,053 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:24:44,054 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:24:44,054 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:24:44,055 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:24:44,058 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:24:44,058 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:24:44,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:24:44,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:24:44,064 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:24:44,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:24:44,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:24:44,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:24:44,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:24:44,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:24:44,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:24:44,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:24:44,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:24:44,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:24:44,070 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:24:44,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:24:44,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:24:44,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:24:44,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:24:44,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:24:44,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:24:44,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:44,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:24:44,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:24:44,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:24:44,076 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:24:44,077 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:24:44,078 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:24:44,078 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:24:44,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:24:44,079 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_def52748-e073-42fc-9bef-af6b8ee7fd9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 [2024-11-02 11:24:44,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:24:44,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:24:44,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:24:44,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:24:44,646 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:24:44,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i Unable to find full path for "g++" [2024-11-02 11:24:47,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:24:47,397 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:24:47,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2024-11-02 11:24:47,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/data/a5d0e69bd/7c1db112f7704c9184b62bb2daade7df/FLAGca00a5a5b [2024-11-02 11:24:47,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/data/a5d0e69bd/7c1db112f7704c9184b62bb2daade7df [2024-11-02 11:24:47,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:24:47,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:24:47,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:47,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:24:47,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:24:47,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:47" (1/1) ... [2024-11-02 11:24:47,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71356965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:47, skipping insertion in model container [2024-11-02 11:24:47,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:47" (1/1) ... [2024-11-02 11:24:47,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:24:47,978 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_def52748-e073-42fc-9bef-af6b8ee7fd9e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-02 11:24:48,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:48,046 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:24:48,060 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_def52748-e073-42fc-9bef-af6b8ee7fd9e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2024-11-02 11:24:48,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:48,104 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:24:48,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48 WrapperNode [2024-11-02 11:24:48,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:48,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:48,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:24:48,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:24:48,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (1/1) ... [2024-11-02 11:24:48,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (1/1) ... [2024-11-02 11:24:48,150 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-02 11:24:48,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:48,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:24:48,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:24:48,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:24:48,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (1/1) ... [2024-11-02 11:24:48,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (1/1) ... [2024-11-02 11:24:48,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (1/1) ... [2024-11-02 11:24:48,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (1/1) ... [2024-11-02 11:24:48,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (1/1) ... [2024-11-02 11:24:48,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (1/1) ... [2024-11-02 11:24:48,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (1/1) ... [2024-11-02 11:24:48,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (1/1) ... [2024-11-02 11:24:48,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:24:48,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:24:48,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:24:48,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:24:48,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (1/1) ... [2024-11-02 11:24:48,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:48,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:24:48,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:24:48,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:24:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:24:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:24:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:24:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:24:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:24:48,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:24:48,416 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:24:48,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:24:49,134 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 11:24:49,134 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:24:49,154 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:24:49,156 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:24:49,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:49 BoogieIcfgContainer [2024-11-02 11:24:49,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:24:49,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:24:49,159 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:24:49,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:24:49,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:24:47" (1/3) ... [2024-11-02 11:24:49,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20256d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:49, skipping insertion in model container [2024-11-02 11:24:49,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:48" (2/3) ... [2024-11-02 11:24:49,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20256d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:49, skipping insertion in model container [2024-11-02 11:24:49,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:49" (3/3) ... [2024-11-02 11:24:49,168 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-97.i [2024-11-02 11:24:49,188 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:24:49,189 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:24:49,287 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:24:49,296 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;@1a1e7c2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:24:49,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:24:49,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-02 11:24:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-02 11:24:49,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:49,319 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:49,320 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:49,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:49,326 INFO L85 PathProgramCache]: Analyzing trace with hash -485837608, now seen corresponding path program 1 times [2024-11-02 11:24:49,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:49,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783466943] [2024-11-02 11:24:49,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:49,342 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 11:24:49,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:49,346 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/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 11:24:49,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/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 11:24:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:49,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 11:24:49,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:49,811 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-02 11:24:49,815 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:24:49,816 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:24:49,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783466943] [2024-11-02 11:24:49,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783466943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:24:49,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:24:49,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:24:49,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270140037] [2024-11-02 11:24:49,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:24:49,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:24:49,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:24:49,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:24:49,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:24:49,874 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-02 11:24:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:24:49,912 INFO L93 Difference]: Finished difference Result 92 states and 156 transitions. [2024-11-02 11:24:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:24:49,916 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 101 [2024-11-02 11:24:49,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:24:49,926 INFO L225 Difference]: With dead ends: 92 [2024-11-02 11:24:49,926 INFO L226 Difference]: Without dead ends: 45 [2024-11-02 11:24:49,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 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 11:24:49,934 INFO L432 NwaCegarLoop]: 64 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, 64 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 11:24:49,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:24:49,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-02 11:24:49,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-02 11:24:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-02 11:24:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2024-11-02 11:24:49,993 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 101 [2024-11-02 11:24:49,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:24:49,994 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2024-11-02 11:24:49,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-02 11:24:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2024-11-02 11:24:50,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-02 11:24:50,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:50,002 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:50,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/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 11:24:50,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/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 11:24:50,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:50,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:50,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1862135708, now seen corresponding path program 1 times [2024-11-02 11:24:50,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:50,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481095477] [2024-11-02 11:24:50,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:50,207 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 11:24:50,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:50,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/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 11:24:50,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_def52748-e073-42fc-9bef-af6b8ee7fd9e/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 11:24:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:50,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-02 11:24:50,526 INFO L278 TraceCheckSpWp]: Computing forward predicates...