./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 bcb802c44fca05d9a0a95a2e14fa4747615929a328e29a7c11119462c0cec4c4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:24:24,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:24:24,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:24:24,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:24:24,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:24:24,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:24:24,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:24:24,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:24:24,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:24:24,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:24:24,400 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:24:24,400 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:24:24,400 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:24:24,401 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:24:24,401 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:24:24,402 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:24:24,402 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:24:24,403 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:24:24,403 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:24:24,403 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:24:24,404 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:24:24,405 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:24:24,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:24:24,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:24:24,406 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:24:24,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:24:24,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:24:24,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:24:24,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:24:24,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:24:24,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:24:24,409 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:24:24,409 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:24:24,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:24:24,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:24:24,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:24:24,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:24:24,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:24:24,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:24,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:24:24,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:24:24,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:24:24,413 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:24:24,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:24:24,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:24:24,414 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:24:24,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:24:24,414 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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcb802c44fca05d9a0a95a2e14fa4747615929a328e29a7c11119462c0cec4c4 [2024-11-02 11:24:24,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:24:24,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:24:24,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:24:24,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:24:24,732 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:24:24,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i Unable to find full path for "g++" [2024-11-02 11:24:26,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:24:27,082 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:24:27,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i [2024-11-02 11:24:27,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/data/4b49ca7c4/0da578eaec4344b0accaa239fecf653b/FLAG1736acb9d [2024-11-02 11:24:27,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/data/4b49ca7c4/0da578eaec4344b0accaa239fecf653b [2024-11-02 11:24:27,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:24:27,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:24:27,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:27,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:24:27,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:24:27,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:27,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f13ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27, skipping insertion in model container [2024-11-02 11:24:27,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:27,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:24:27,738 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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i[918,931] [2024-11-02 11:24:27,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:27,836 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:24:27,851 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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i[918,931] [2024-11-02 11:24:27,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:27,968 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:24:27,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27 WrapperNode [2024-11-02 11:24:27,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:27,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:27,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:24:27,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:24:27,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:27,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:28,079 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2024-11-02 11:24:28,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:28,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:24:28,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:24:28,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:24:28,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:28,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:28,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:28,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:28,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:28,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:28,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:28,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:28,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:24:28,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:24:28,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:24:28,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:24:28,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (1/1) ... [2024-11-02 11:24:28,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:28,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:24:28,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:24:28,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:24:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:24:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:24:28,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:24:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:24:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:24:28,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:24:28,347 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:24:28,350 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:24:28,884 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-02 11:24:28,884 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:24:29,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:24:29,238 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:24:29,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:29 BoogieIcfgContainer [2024-11-02 11:24:29,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:24:29,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:24:29,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:24:29,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:24:29,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:24:27" (1/3) ... [2024-11-02 11:24:29,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5076bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:29, skipping insertion in model container [2024-11-02 11:24:29,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:27" (2/3) ... [2024-11-02 11:24:29,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5076bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:29, skipping insertion in model container [2024-11-02 11:24:29,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:29" (3/3) ... [2024-11-02 11:24:29,253 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i [2024-11-02 11:24:29,273 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:24:29,273 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:24:29,364 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:24:29,373 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;@5a050ce0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:24:29,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:24:29,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-02 11:24:29,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 11:24:29,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:29,388 INFO L215 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:29,388 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:29,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:29,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1271441064, now seen corresponding path program 1 times [2024-11-02 11:24:29,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:24:29,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594150692] [2024-11-02 11:24:29,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:29,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:24:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 11:24:30,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1515074615] [2024-11-02 11:24:30,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:30,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:24:30,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:24:30,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:24:30,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:24:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:24:30,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:24:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:24:30,838 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:24:30,842 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:24:30,843 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 11:24:30,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 11:24:31,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 11:24:31,056 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:24:31,207 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:24:31,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:24:31 BoogieIcfgContainer [2024-11-02 11:24:31,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:24:31,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:24:31,214 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:24:31,215 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:24:31,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:29" (3/4) ... [2024-11-02 11:24:31,218 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:24:31,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:24:31,221 INFO L158 Benchmark]: Toolchain (without parser) took 3776.71ms. Allocated memory is still 169.9MB. Free memory was 131.3MB in the beginning and 76.3MB in the end (delta: 55.0MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-11-02 11:24:31,222 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:24:31,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.18ms. Allocated memory is still 169.9MB. Free memory was 131.3MB in the beginning and 114.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 11:24:31,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.75ms. Allocated memory is still 169.9MB. Free memory was 114.0MB in the beginning and 110.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 11:24:31,226 INFO L158 Benchmark]: Boogie Preprocessor took 85.15ms. Allocated memory is still 169.9MB. Free memory was 110.4MB in the beginning and 108.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:24:31,227 INFO L158 Benchmark]: RCFGBuilder took 1072.29ms. Allocated memory is still 169.9MB. Free memory was 108.3MB in the beginning and 101.2MB in the end (delta: 7.1MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2024-11-02 11:24:31,229 INFO L158 Benchmark]: TraceAbstraction took 1969.08ms. Allocated memory is still 169.9MB. Free memory was 100.9MB in the beginning and 76.3MB in the end (delta: 24.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-11-02 11:24:31,229 INFO L158 Benchmark]: Witness Printer took 6.37ms. Allocated memory is still 169.9MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:24:31,233 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.18ms. Allocated memory is still 169.9MB. Free memory was 131.3MB in the beginning and 114.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.75ms. Allocated memory is still 169.9MB. Free memory was 114.0MB in the beginning and 110.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.15ms. Allocated memory is still 169.9MB. Free memory was 110.4MB in the beginning and 108.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1072.29ms. Allocated memory is still 169.9MB. Free memory was 108.3MB in the beginning and 101.2MB in the end (delta: 7.1MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1969.08ms. Allocated memory is still 169.9MB. Free memory was 100.9MB in the beginning and 76.3MB in the end (delta: 24.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Witness Printer took 6.37ms. Allocated memory is still 169.9MB. Free memory is still 76.3MB. 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 93, overapproximation of shiftRight at line 88, overapproximation of bitwiseOr at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 188, overapproximation of someBinaryArithmeticFLOAToperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_6 = 31.5; [L24] double var_1_9 = 1000000000.25; [L25] float var_1_10 = 1.1; [L26] float var_1_11 = 8.75; [L27] float var_1_12 = 63.8; [L28] unsigned char var_1_13 = 1; [L29] float var_1_14 = 127.5; [L30] signed char var_1_15 = -2; [L31] signed char var_1_16 = 1; [L32] signed char var_1_17 = 1; [L33] signed char var_1_18 = 1; [L34] signed char var_1_19 = -2; [L35] signed char var_1_20 = 16; [L36] signed char var_1_21 = 2; [L37] signed char var_1_22 = 8; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 32; [L43] unsigned char var_1_28 = 1; [L44] unsigned long int var_1_33 = 10; [L45] unsigned long int var_1_35 = 2632045268; [L46] signed long int var_1_36 = 32; [L47] unsigned long int var_1_37 = 128; [L48] unsigned long int var_1_39 = 1877460848; [L49] unsigned long int var_1_40 = 1831388024; [L50] unsigned long int var_1_41 = 1967003719; [L51] unsigned char var_1_42 = 0; [L52] unsigned char var_1_46 = 0; [L53] unsigned short int var_1_49 = 0; [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] FCALL updateLastVariables() [L196] CALL updateVariables() [L136] var_1_9 = __VERIFIER_nondet_double() [L137] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L138] var_1_11 = __VERIFIER_nondet_float() [L139] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L140] var_1_13 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L142] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L143] var_1_14 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L145] var_1_16 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L147] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L148] var_1_17 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L150] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L151] var_1_19 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L153] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L154] var_1_20 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L156] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L157] var_1_21 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L159] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L160] var_1_22 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L162] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L163] var_1_24 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L165] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L166] var_1_25 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L168] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L169] var_1_26 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L171] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L172] var_1_35 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L174] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L175] var_1_39 = __VERIFIER_nondet_ulong() [L176] CALL assume_abort_if_not(var_1_39 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_39 >= 1073741823) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L177] CALL assume_abort_if_not(var_1_39 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_39 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L178] var_1_40 = __VERIFIER_nondet_ulong() [L179] CALL assume_abort_if_not(var_1_40 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_40 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L180] CALL assume_abort_if_not(var_1_40 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_40 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L181] var_1_41 = __VERIFIER_nondet_ulong() [L182] CALL assume_abort_if_not(var_1_41 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1073741824, var_1_41=-6442450945, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_41 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1073741824, var_1_41=-6442450945, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L183] CALL assume_abort_if_not(var_1_41 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1073741824, var_1_41=-6442450945, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_41 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=126, var_1_17=0, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=128, var_1_39=6442450943, var_1_40=1073741824, var_1_41=-6442450945, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L196] RET updateVariables() [L197] CALL step() [L57] var_1_15 = (var_1_16 - var_1_17) [L58] COND FALSE !(var_1_21 > (var_1_27 / var_1_35)) [L61] COND FALSE !((var_1_39 - ((((-50) < 0 ) ? -(-50) : (-50)))) < var_1_27) [L66] var_1_27 = var_1_21 [L67] unsigned char stepLocal_1 = var_1_27; [L68] unsigned char stepLocal_0 = var_1_27; [L69] COND TRUE (var_1_27 + var_1_27) <= stepLocal_1 [L70] var_1_1 = (128 + var_1_27) [L78] COND FALSE !(\read(var_1_13)) [L85] COND FALSE !(var_1_27 < (var_1_27 - var_1_27)) [L88] EXPR var_1_27 >> var_1_27 [L88] COND TRUE var_1_17 >= (var_1_27 >> var_1_27) [L89] COND FALSE !(var_1_25 || (var_1_20 < var_1_17)) [L93] COND TRUE 63.75f <= var_1_11 [L94] var_1_37 = ((var_1_39 + ((((var_1_40) > (var_1_41)) ? (var_1_40) : (var_1_41)))) - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) [L96] unsigned char stepLocal_2 = var_1_27; [L97] COND FALSE !(var_1_27 > stepLocal_2) [L100] var_1_10 = 9.75f [L102] COND TRUE ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u [L103] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) [L105] signed long int stepLocal_5 = ~ var_1_21; [L106] COND FALSE !(\read(var_1_13)) [L115] unsigned char stepLocal_4 = var_1_18 >= var_1_27; [L116] unsigned char stepLocal_3 = var_1_27; [L117] COND FALSE !(var_1_23 && stepLocal_4) [L120] COND TRUE 1 >= stepLocal_3 [L121] var_1_12 = var_1_11 [L126] EXPR var_1_21 | (var_1_21 + var_1_21) [L126] COND FALSE !(var_1_27 < (var_1_21 | (var_1_21 + var_1_21))) [L129] COND FALSE !(var_1_41 < ((((var_1_27) < (var_1_21)) ? (var_1_27) : (var_1_21)))) [L132] var_1_42 = (var_1_25 || var_1_25) [L197] RET step() [L198] CALL, EXPR property() [L188-L189] return (((((((((var_1_27 + var_1_27) <= var_1_27) ? (var_1_1 == ((signed short int) (128 + var_1_27))) : ((var_1_27 >= (var_1_27 * var_1_27)) ? (var_1_1 == ((signed short int) var_1_27)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_27 < (var_1_27 - var_1_27)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_27 > var_1_27) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_23 && (var_1_18 >= var_1_27)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_27) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_27) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=126, var_1_17=0, var_1_18=2, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=-2, var_1_39=6442450943, var_1_40=1073741824, var_1_41=-6442450945, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L19] reach_error() VAL [isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=126, var_1_16=126, var_1_17=0, var_1_18=2, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=-2147483649, var_1_36=32, var_1_37=-2, var_1_39=6442450943, var_1_40=1073741824, var_1_41=-6442450945, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 31, 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=57occurred 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: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 11:24:31,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 bcb802c44fca05d9a0a95a2e14fa4747615929a328e29a7c11119462c0cec4c4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:24:33,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:24:33,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 11:24:33,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:24:33,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:24:33,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:24:33,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:24:33,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:24:33,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:24:33,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:24:33,898 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:24:33,898 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:24:33,898 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:24:33,899 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:24:33,899 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:24:33,899 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:24:33,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:24:33,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:24:33,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:24:33,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:24:33,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:24:33,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:24:33,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:24:33,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:24:33,909 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:24:33,909 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:24:33,910 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:24:33,910 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:24:33,910 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:24:33,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:24:33,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:24:33,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:24:33,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:24:33,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:24:33,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:24:33,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:33,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:24:33,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:24:33,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:24:33,913 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:24:33,913 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:24:33,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:24:33,916 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:24:33,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:24:33,916 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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcb802c44fca05d9a0a95a2e14fa4747615929a328e29a7c11119462c0cec4c4 [2024-11-02 11:24:34,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:24:34,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:24:34,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:24:34,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:24:34,343 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:24:34,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i Unable to find full path for "g++" [2024-11-02 11:24:36,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:24:36,868 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:24:36,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i [2024-11-02 11:24:36,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/data/023c0bb30/72eb3dabc1c14143bf9dc1e07e5fdb35/FLAGff1be50b0 [2024-11-02 11:24:36,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/data/023c0bb30/72eb3dabc1c14143bf9dc1e07e5fdb35 [2024-11-02 11:24:36,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:24:36,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:24:36,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:36,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:24:36,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:24:36,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:36" (1/1) ... [2024-11-02 11:24:36,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b55eea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:36, skipping insertion in model container [2024-11-02 11:24:36,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:36" (1/1) ... [2024-11-02 11:24:36,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:24:37,190 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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i[918,931] [2024-11-02 11:24:37,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:37,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:24:37,428 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_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i[918,931] [2024-11-02 11:24:37,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:37,507 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:24:37,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37 WrapperNode [2024-11-02 11:24:37,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:37,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:37,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:24:37,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:24:37,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (1/1) ... [2024-11-02 11:24:37,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (1/1) ... [2024-11-02 11:24:37,589 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2024-11-02 11:24:37,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:37,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:24:37,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:24:37,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:24:37,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (1/1) ... [2024-11-02 11:24:37,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (1/1) ... [2024-11-02 11:24:37,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (1/1) ... [2024-11-02 11:24:37,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (1/1) ... [2024-11-02 11:24:37,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (1/1) ... [2024-11-02 11:24:37,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (1/1) ... [2024-11-02 11:24:37,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (1/1) ... [2024-11-02 11:24:37,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (1/1) ... [2024-11-02 11:24:37,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:24:37,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:24:37,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:24:37,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:24:37,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (1/1) ... [2024-11-02 11:24:37,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:37,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:24:37,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:24:37,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:24:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:24:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:24:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:24:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:24:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:24:37,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:24:37,867 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:24:37,870 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:24:38,525 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-02 11:24:38,525 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:24:38,546 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:24:38,547 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:24:38,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:38 BoogieIcfgContainer [2024-11-02 11:24:38,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:24:38,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:24:38,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:24:38,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:24:38,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:24:36" (1/3) ... [2024-11-02 11:24:38,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119a3b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:38, skipping insertion in model container [2024-11-02 11:24:38,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:37" (2/3) ... [2024-11-02 11:24:38,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119a3b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:38, skipping insertion in model container [2024-11-02 11:24:38,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:38" (3/3) ... [2024-11-02 11:24:38,558 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i [2024-11-02 11:24:38,579 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:24:38,580 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:24:38,683 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:24:38,696 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;@587a5617, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:24:38,700 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:24:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-02 11:24:38,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-02 11:24:38,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:38,723 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:38,724 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:38,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:38,730 INFO L85 PathProgramCache]: Analyzing trace with hash -793843326, now seen corresponding path program 1 times [2024-11-02 11:24:38,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:38,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822184079] [2024-11-02 11:24:38,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:38,760 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 11:24:38,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:38,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:38,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:39,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 11:24:39,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2024-11-02 11:24:39,280 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:24:39,281 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:24:39,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822184079] [2024-11-02 11:24:39,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822184079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:24:39,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:24:39,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:24:39,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132993600] [2024-11-02 11:24:39,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:24:39,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:24:39,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:24:39,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:24:39,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:24:39,328 INFO L87 Difference]: Start difference. First operand has 92 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-02 11:24:39,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:24:39,374 INFO L93 Difference]: Finished difference Result 177 states and 317 transitions. [2024-11-02 11:24:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:24:39,377 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2024-11-02 11:24:39,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:24:39,384 INFO L225 Difference]: With dead ends: 177 [2024-11-02 11:24:39,384 INFO L226 Difference]: Without dead ends: 88 [2024-11-02 11:24:39,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 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 11:24:39,391 INFO L432 NwaCegarLoop]: 138 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, 138 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 11:24:39,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:24:39,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-02 11:24:39,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-02 11:24:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 55 states have internal predecessors, (76), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-02 11:24:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2024-11-02 11:24:39,461 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 198 [2024-11-02 11:24:39,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:24:39,461 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2024-11-02 11:24:39,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-02 11:24:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2024-11-02 11:24:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-02 11:24:39,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:39,466 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:39,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:39,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:39,668 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:39,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:39,668 INFO L85 PathProgramCache]: Analyzing trace with hash 893548930, now seen corresponding path program 1 times [2024-11-02 11:24:39,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:39,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558363544] [2024-11-02 11:24:39,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:39,670 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 11:24:39,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:39,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:39,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:40,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-02 11:24:40,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:41,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-02 11:24:41,039 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 11:24:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-02 11:24:41,307 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:24:41,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558363544] [2024-11-02 11:24:41,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1558363544] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-02 11:24:41,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 11:24:41,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-02 11:24:41,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122915101] [2024-11-02 11:24:41,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:24:41,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:24:41,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:24:41,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:24:41,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-02 11:24:41,313 INFO L87 Difference]: Start difference. First operand 88 states and 138 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-02 11:24:41,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:24:41,470 INFO L93 Difference]: Finished difference Result 173 states and 273 transitions. [2024-11-02 11:24:41,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:24:41,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-02 11:24:41,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:24:41,475 INFO L225 Difference]: With dead ends: 173 [2024-11-02 11:24:41,476 INFO L226 Difference]: Without dead ends: 88 [2024-11-02 11:24:41,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-02 11:24:41,479 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 11:24:41,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 11:24:41,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-02 11:24:41,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-02 11:24:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 55 states have internal predecessors, (75), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-02 11:24:41,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 137 transitions. [2024-11-02 11:24:41,503 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 137 transitions. Word has length 198 [2024-11-02 11:24:41,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:24:41,505 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 137 transitions. [2024-11-02 11:24:41,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-02 11:24:41,506 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2024-11-02 11:24:41,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-02 11:24:41,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:41,511 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:41,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 11:24:41,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:41,714 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:41,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:41,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1151714368, now seen corresponding path program 1 times [2024-11-02 11:24:41,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:41,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194078144] [2024-11-02 11:24:41,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:41,723 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 11:24:41,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:41,731 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:41,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 (4)] Waiting until timeout for monitored process [2024-11-02 11:24:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:42,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-02 11:24:42,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-02 11:24:42,654 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:24:42,655 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:24:42,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194078144] [2024-11-02 11:24:42,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194078144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:24:42,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:24:42,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:24:42,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405417143] [2024-11-02 11:24:42,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:24:42,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:24:42,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:24:42,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:24:42,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:24:42,659 INFO L87 Difference]: Start difference. First operand 88 states and 137 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-02 11:24:42,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:24:42,737 INFO L93 Difference]: Finished difference Result 258 states and 405 transitions. [2024-11-02 11:24:42,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:24:42,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-02 11:24:42,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:24:42,747 INFO L225 Difference]: With dead ends: 258 [2024-11-02 11:24:42,747 INFO L226 Difference]: Without dead ends: 173 [2024-11-02 11:24:42,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 11:24:42,749 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 33 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 11:24:42,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 262 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:24:42,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-02 11:24:42,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2024-11-02 11:24:42,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 106 states have (on average 1.3679245283018868) internal successors, (145), 106 states have internal predecessors, (145), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-02 11:24:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 269 transitions. [2024-11-02 11:24:42,809 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 269 transitions. Word has length 198 [2024-11-02 11:24:42,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:24:42,814 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 269 transitions. [2024-11-02 11:24:42,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-02 11:24:42,815 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 269 transitions. [2024-11-02 11:24:42,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-02 11:24:42,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:42,822 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:42,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 (4)] Forceful destruction successful, exit code 0 [2024-11-02 11:24:43,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:43,023 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:43,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:43,028 INFO L85 PathProgramCache]: Analyzing trace with hash -671525694, now seen corresponding path program 1 times [2024-11-02 11:24:43,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:43,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513494931] [2024-11-02 11:24:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:43,029 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 11:24:43,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:43,035 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:43,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 (5)] Waiting until timeout for monitored process [2024-11-02 11:24:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:43,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-02 11:24:43,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1085 proven. 159 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-02 11:24:44,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 11:24:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-02 11:24:45,583 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:24:45,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513494931] [2024-11-02 11:24:45,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513494931] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 11:24:45,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1840600839] [2024-11-02 11:24:45,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:45,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 11:24:45,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 11:24:45,589 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 11:24:45,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-02 11:24:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:46,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 11:24:46,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-02 11:24:47,085 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:24:47,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1840600839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:24:47,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-02 11:24:47,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12, 9] total 20 [2024-11-02 11:24:47,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976146898] [2024-11-02 11:24:47,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:24:47,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:24:47,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:24:47,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:24:47,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-02 11:24:47,092 INFO L87 Difference]: Start difference. First operand 171 states and 269 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-02 11:24:48,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:24:48,526 INFO L93 Difference]: Finished difference Result 451 states and 707 transitions. [2024-11-02 11:24:48,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 11:24:48,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-02 11:24:48,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:24:48,534 INFO L225 Difference]: With dead ends: 451 [2024-11-02 11:24:48,534 INFO L226 Difference]: Without dead ends: 283 [2024-11-02 11:24:48,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 575 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-02 11:24:48,537 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 85 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-02 11:24:48,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 401 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-02 11:24:48,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-02 11:24:48,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 279. [2024-11-02 11:24:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 186 states have (on average 1.3978494623655915) internal successors, (260), 188 states have internal predecessors, (260), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-02 11:24:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 436 transitions. [2024-11-02 11:24:48,595 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 436 transitions. Word has length 199 [2024-11-02 11:24:48,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:24:48,596 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 436 transitions. [2024-11-02 11:24:48,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-02 11:24:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2024-11-02 11:24:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-02 11:24:48,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:48,602 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:48,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 (5)] Ended with exit code 0 [2024-11-02 11:24:48,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-02 11:24:49,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt [2024-11-02 11:24:49,004 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:49,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:49,005 INFO L85 PathProgramCache]: Analyzing trace with hash -452670976, now seen corresponding path program 1 times [2024-11-02 11:24:49,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:49,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984556347] [2024-11-02 11:24:49,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:49,013 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 11:24:49,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:49,016 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:49,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 (7)] Waiting until timeout for monitored process [2024-11-02 11:24:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:49,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-02 11:24:49,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:51,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1085 proven. 159 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-02 11:24:51,131 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 11:24:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-02 11:24:51,949 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:24:51,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984556347] [2024-11-02 11:24:51,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984556347] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 11:24:51,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1088188615] [2024-11-02 11:24:51,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:51,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 11:24:51,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 11:24:51,953 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 11:24:51,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-02 11:24:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:52,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 11:24:52,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-02 11:24:53,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:24:53,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1088188615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:24:53,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-02 11:24:53,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12, 9] total 20 [2024-11-02 11:24:53,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172819616] [2024-11-02 11:24:53,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:24:53,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 11:24:53,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:24:53,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 11:24:53,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-02 11:24:53,049 INFO L87 Difference]: Start difference. First operand 279 states and 436 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-02 11:24:53,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:24:53,675 INFO L93 Difference]: Finished difference Result 657 states and 1023 transitions. [2024-11-02 11:24:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 11:24:53,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-02 11:24:53,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:24:53,682 INFO L225 Difference]: With dead ends: 657 [2024-11-02 11:24:53,683 INFO L226 Difference]: Without dead ends: 381 [2024-11-02 11:24:53,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 575 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-02 11:24:53,685 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 61 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-02 11:24:53,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 378 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-02 11:24:53,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-02 11:24:53,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 317. [2024-11-02 11:24:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 224 states have (on average 1.4151785714285714) internal successors, (317), 226 states have internal predecessors, (317), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-02 11:24:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 493 transitions. [2024-11-02 11:24:53,748 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 493 transitions. Word has length 199 [2024-11-02 11:24:53,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:24:53,749 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 493 transitions. [2024-11-02 11:24:53,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-02 11:24:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 493 transitions. [2024-11-02 11:24:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-02 11:24:53,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:53,753 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:53,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-02 11:24:53,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 (7)] Forceful destruction successful, exit code 0 [2024-11-02 11:24:54,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:54,154 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:54,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:54,154 INFO L85 PathProgramCache]: Analyzing trace with hash -393565632, now seen corresponding path program 1 times [2024-11-02 11:24:54,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:54,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548354316] [2024-11-02 11:24:54,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:54,155 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 11:24:54,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:54,157 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 11:24:54,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/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 (9)] Waiting until timeout for monitored process [2024-11-02 11:24:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:54,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-02 11:24:54,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:24:55,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1085 proven. 159 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-02 11:24:55,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 11:24:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-02 11:24:56,608 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:24:56,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548354316] [2024-11-02 11:24:56,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548354316] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 11:24:56,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [103758951] [2024-11-02 11:24:56,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:56,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 11:24:56,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 11:24:56,610 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 11:24:56,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b4fb666-1c90-4dba-bc35-c50ec00f7fd7/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-02 11:24:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:57,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-02 11:24:57,589 INFO L278 TraceCheckSpWp]: Computing forward predicates...