./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh --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 15862785551f39db90b9c8d8e6460be87c768e7360e2cb9ff7b91b0e99a83c5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:05:27,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:05:27,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:05:27,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:05:27,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:05:27,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:05:27,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:05:27,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:05:27,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:05:27,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:05:27,153 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:05:27,154 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:05:27,154 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:05:27,155 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:05:27,155 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:05:27,156 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:05:27,156 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:05:27,157 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:05:27,157 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:05:27,158 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:05:27,158 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:05:27,159 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:05:27,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:05:27,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:05:27,161 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:05:27,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:05:27,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:05:27,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:05:27,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:05:27,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:05:27,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:05:27,164 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:05:27,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:05:27,164 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:05:27,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:05:27,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:05:27,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:05:27,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:05:27,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:05:27,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:05:27,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:05:27,166 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:05:27,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:05:27,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:05:27,167 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:05:27,167 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:05:27,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:05:27,167 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_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15862785551f39db90b9c8d8e6460be87c768e7360e2cb9ff7b91b0e99a83c5a [2023-12-02 19:05:27,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:05:27,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:05:27,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:05:27,427 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:05:27,428 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:05:27,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-12-02 19:05:30,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:05:30,459 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:05:30,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-12-02 19:05:30,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/data/5dff450c7/ced453352c1c49669f9d9912ecb77e1c/FLAGa3833b4ce [2023-12-02 19:05:30,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/data/5dff450c7/ced453352c1c49669f9d9912ecb77e1c [2023-12-02 19:05:30,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:05:30,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:05:30,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:05:30,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:05:30,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:05:30,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:30,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542b75dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30, skipping insertion in model container [2023-12-02 19:05:30,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:30,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:05:30,705 WARN L240 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_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i[919,932] [2023-12-02 19:05:30,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:05:30,804 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:05:30,818 WARN L240 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_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i[919,932] [2023-12-02 19:05:30,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:05:30,878 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:05:30,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30 WrapperNode [2023-12-02 19:05:30,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:05:30,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:05:30,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:05:30,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:05:30,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:30,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:30,953 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2023-12-02 19:05:30,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:05:30,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:05:30,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:05:30,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:05:30,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:30,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:30,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:30,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:30,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:30,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:30,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:31,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:31,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:05:31,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:05:31,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:05:31,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:05:31,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (1/1) ... [2023-12-02 19:05:31,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:05:31,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:05:31,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:05:31,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:05:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:05:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:05:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:05:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:05:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:05:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:05:31,171 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:05:31,173 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:05:31,618 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:05:32,092 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:05:32,092 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:05:32,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:05:32 BoogieIcfgContainer [2023-12-02 19:05:32,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:05:32,096 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:05:32,096 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:05:32,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:05:32,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:05:30" (1/3) ... [2023-12-02 19:05:32,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547862b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:05:32, skipping insertion in model container [2023-12-02 19:05:32,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:30" (2/3) ... [2023-12-02 19:05:32,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547862b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:05:32, skipping insertion in model container [2023-12-02 19:05:32,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:05:32" (3/3) ... [2023-12-02 19:05:32,102 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-12-02 19:05:32,121 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:05:32,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:05:32,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:05:32,183 INFO L357 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, mHoare=true, 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;@4bf54233, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:05:32,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:05:32,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 19:05:32,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 19:05:32,203 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:05:32,204 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:05:32,204 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:05:32,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:05:32,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1685449397, now seen corresponding path program 1 times [2023-12-02 19:05:32,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:05:32,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036687150] [2023-12-02 19:05:32,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:05:32,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:05:32,410 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:05:32,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [640507982] [2023-12-02 19:05:32,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:05:32,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:05:32,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:05:32,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:05:32,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:05:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:05:32,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:05:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:05:32,992 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:05:32,995 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:05:32,996 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:05:33,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:05:33,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 19:05:33,204 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:05:33,209 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:05:33,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:05:33 BoogieIcfgContainer [2023-12-02 19:05:33,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:05:33,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:05:33,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:05:33,319 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:05:33,319 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:05:32" (3/4) ... [2023-12-02 19:05:33,321 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:05:33,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:05:33,324 INFO L158 Benchmark]: Toolchain (without parser) took 2838.32ms. Allocated memory is still 188.7MB. Free memory was 149.5MB in the beginning and 69.1MB in the end (delta: 80.4MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2023-12-02 19:05:33,325 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:05:33,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.96ms. Allocated memory is still 188.7MB. Free memory was 149.5MB in the beginning and 133.9MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 19:05:33,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.47ms. Allocated memory is still 188.7MB. Free memory was 133.9MB in the beginning and 129.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 19:05:33,327 INFO L158 Benchmark]: Boogie Preprocessor took 52.96ms. Allocated memory is still 188.7MB. Free memory was 129.3MB in the beginning and 127.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:05:33,327 INFO L158 Benchmark]: RCFGBuilder took 1085.25ms. Allocated memory is still 188.7MB. Free memory was 127.2MB in the beginning and 122.6MB in the end (delta: 4.7MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2023-12-02 19:05:33,328 INFO L158 Benchmark]: TraceAbstraction took 1221.87ms. Allocated memory is still 188.7MB. Free memory was 122.6MB in the beginning and 69.1MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-12-02 19:05:33,328 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 188.7MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:05:33,332 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.96ms. Allocated memory is still 188.7MB. Free memory was 149.5MB in the beginning and 133.9MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.47ms. Allocated memory is still 188.7MB. Free memory was 133.9MB in the beginning and 129.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.96ms. Allocated memory is still 188.7MB. Free memory was 129.3MB in the beginning and 127.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1085.25ms. Allocated memory is still 188.7MB. Free memory was 127.2MB in the beginning and 122.6MB in the end (delta: 4.7MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1221.87ms. Allocated memory is still 188.7MB. Free memory was 122.6MB in the beginning and 69.1MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 188.7MB. Free memory is still 69.1MB. 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 120, overapproximation of shiftRight at line 72, overapproximation of bitwiseOr at line 109, overapproximation of bitwiseAnd at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 7.3; [L32] double var_1_12 = 1.25; [L33] double var_1_13 = 128.8; [L34] signed char var_1_14 = -1; [L35] signed char var_1_15 = 10; [L36] signed short int var_1_16 = 8; [L37] unsigned long int var_1_18 = 128; [L38] unsigned long int var_1_19 = 3963666122; [L39] float var_1_20 = 15.875; [L40] float var_1_21 = 4.2; [L41] float var_1_22 = 5.5; [L42] signed short int var_1_23 = -10; [L43] unsigned long int var_1_30 = 1000000000; [L44] unsigned long int var_1_31 = 4155847319; [L45] float var_1_33 = 99.25; [L46] signed long int var_1_34 = 10; [L47] unsigned char var_1_35 = 16; [L48] unsigned char var_1_36 = 100; [L49] signed long int var_1_39 = -128; [L50] signed long int var_1_40 = 1792665454; [L51] unsigned char last_1_var_1_8 = 1; [L52] signed char last_1_var_1_14 = -1; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L183] last_1_var_1_8 = var_1_8 [L184] last_1_var_1_14 = var_1_14 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L142] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L143] var_1_3 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L146] var_1_4 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L149] var_1_7 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_8=1, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L152] var_1_9 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L154] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L155] var_1_10 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L157] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L158] var_1_12 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L160] var_1_13 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L162] var_1_15 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L164] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L165] var_1_19 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L167] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_21=21/5, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L168] var_1_21 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_22=11/2, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L170] var_1_22 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=4155847319, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L172] var_1_31 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_31 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_31 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L174] CALL assume_abort_if_not(var_1_31 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_31 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=100, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L175] var_1_36 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L177] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=2, var_1_40=1792665454, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L178] var_1_40 = __VERIFIER_nondet_long() [L179] CALL assume_abort_if_not(var_1_40 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=2, var_1_40=2147483646, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_40 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=2, var_1_40=2147483646, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L180] CALL assume_abort_if_not(var_1_40 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=2, var_1_40=2147483646, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_40 <= 2147483646) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_36=0, var_1_39=-128, var_1_3=2, var_1_40=2147483646, var_1_4=2, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L195] RET updateVariables() [L196] CALL step() [L56] unsigned char stepLocal_0 = last_1_var_1_8; [L57] COND TRUE stepLocal_0 && last_1_var_1_8 [L58] COND TRUE \read(last_1_var_1_8) [L59] var_1_5 = (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))) [L64] COND TRUE var_1_5 < var_1_3 [L65] var_1_8 = ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10) [L69] COND TRUE \read(var_1_8) [L70] var_1_34 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L72] EXPR var_1_1 >> var_1_5 [L72] COND TRUE var_1_1 > (var_1_1 >> var_1_5) [L73] COND TRUE \read(var_1_8) [L74] var_1_39 = ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) [L81] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) [L82] COND FALSE !(128u <= var_1_1) [L97] COND FALSE !((64.4f + 1.5f) <= var_1_13) [L102] COND FALSE !(var_1_5 >= var_1_1) [L105] COND TRUE var_1_31 > var_1_1 [L106] var_1_35 = var_1_36 [L114] unsigned char stepLocal_3 = var_1_9 && var_1_8; [L115] COND TRUE stepLocal_3 || (var_1_8 && var_1_10) [L116] var_1_18 = (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))) [L120] var_1_20 = ((((var_1_21) < (var_1_22)) ? (var_1_21) : (var_1_22))) [L121] signed long int stepLocal_1 = 8 + var_1_14; [L122] COND FALSE !(var_1_4 == stepLocal_1) [L125] var_1_33 = var_1_21 [L126] EXPR var_1_15 & var_1_1 [L126] unsigned long int stepLocal_2 = var_1_18 * (var_1_15 & var_1_1); [L127] COND FALSE !(var_1_12 >= 9.6) [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L187-L188] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_8) || (var_1_8 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=0, var_1_13=0, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=4294967292, var_1_19=4294967294, var_1_1=52, var_1_20=2, var_1_21=2, var_1_22=0, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=2, var_1_34=1, var_1_35=0, var_1_36=0, var_1_39=25, var_1_3=2, var_1_40=2147483646, var_1_4=2, var_1_5=-1, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=0, var_1_13=0, var_1_14=-1, var_1_15=-2, var_1_16=8, var_1_18=4294967292, var_1_19=4294967294, var_1_1=52, var_1_20=2, var_1_21=2, var_1_22=0, var_1_23=-10, var_1_2=2, var_1_30=1000000000, var_1_31=2147483647, var_1_33=2, var_1_34=1, var_1_35=0, var_1_36=0, var_1_39=25, var_1_3=2, var_1_40=2147483646, var_1_4=2, var_1_5=-1, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 26, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 19:05:33,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh --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 15862785551f39db90b9c8d8e6460be87c768e7360e2cb9ff7b91b0e99a83c5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:05:35,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:05:35,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:05:35,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:05:35,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:05:35,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:05:35,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:05:35,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:05:35,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:05:35,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:05:35,633 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:05:35,634 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:05:35,634 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:05:35,635 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:05:35,636 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:05:35,636 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:05:35,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:05:35,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:05:35,638 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:05:35,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:05:35,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:05:35,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:05:35,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:05:35,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:05:35,641 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:05:35,642 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:05:35,642 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:05:35,643 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:05:35,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:05:35,643 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:05:35,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:05:35,644 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:05:35,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:05:35,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:05:35,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:05:35,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:05:35,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:05:35,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:05:35,646 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:05:35,646 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:05:35,646 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:05:35,647 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:05:35,647 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:05:35,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:05:35,648 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_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15862785551f39db90b9c8d8e6460be87c768e7360e2cb9ff7b91b0e99a83c5a [2023-12-02 19:05:35,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:05:35,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:05:35,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:05:35,971 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:05:35,971 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:05:35,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-12-02 19:05:38,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:05:39,137 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:05:39,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-12-02 19:05:39,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/data/61854eba7/902af132453b4dcca0af391625bddaea/FLAGedb1dd456 [2023-12-02 19:05:39,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/data/61854eba7/902af132453b4dcca0af391625bddaea [2023-12-02 19:05:39,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:05:39,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:05:39,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:05:39,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:05:39,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:05:39,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c012e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39, skipping insertion in model container [2023-12-02 19:05:39,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:05:39,407 WARN L240 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_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i[919,932] [2023-12-02 19:05:39,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:05:39,513 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:05:39,529 WARN L240 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_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i[919,932] [2023-12-02 19:05:39,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:05:39,597 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:05:39,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39 WrapperNode [2023-12-02 19:05:39,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:05:39,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:05:39,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:05:39,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:05:39,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,665 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-12-02 19:05:39,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:05:39,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:05:39,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:05:39,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:05:39,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:05:39,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:05:39,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:05:39,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:05:39,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (1/1) ... [2023-12-02 19:05:39,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:05:39,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:05:39,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:05:39,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:05:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:05:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:05:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:05:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:05:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:05:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:05:39,910 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:05:39,913 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:05:41,085 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:05:41,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:05:41,135 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:05:41,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:05:41 BoogieIcfgContainer [2023-12-02 19:05:41,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:05:41,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:05:41,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:05:41,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:05:41,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:05:39" (1/3) ... [2023-12-02 19:05:41,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c05ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:05:41, skipping insertion in model container [2023-12-02 19:05:41,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:05:39" (2/3) ... [2023-12-02 19:05:41,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c05ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:05:41, skipping insertion in model container [2023-12-02 19:05:41,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:05:41" (3/3) ... [2023-12-02 19:05:41,147 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-17.i [2023-12-02 19:05:41,168 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:05:41,168 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:05:41,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:05:41,227 INFO L357 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, mHoare=true, 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;@c897f4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:05:41,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:05:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 19:05:41,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 19:05:41,250 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:05:41,251 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:05:41,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:05:41,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:05:41,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1910996483, now seen corresponding path program 1 times [2023-12-02 19:05:41,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:05:41,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235665253] [2023-12-02 19:05:41,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:05:41,277 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 [2023-12-02 19:05:41,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:05:41,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:05:41,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:05:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:05:41,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:05:41,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:05:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-12-02 19:05:41,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:05:41,675 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:05:41,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235665253] [2023-12-02 19:05:41,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235665253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:05:41,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:05:41,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:05:41,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39794580] [2023-12-02 19:05:41,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:05:41,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:05:41,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:05:41,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:05:41,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:05:41,734 INFO L87 Difference]: Start difference. First operand has 79 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 19:05:42,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:05:42,077 INFO L93 Difference]: Finished difference Result 155 states and 280 transitions. [2023-12-02 19:05:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:05:42,089 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 165 [2023-12-02 19:05:42,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:05:42,098 INFO L225 Difference]: With dead ends: 155 [2023-12-02 19:05:42,098 INFO L226 Difference]: Without dead ends: 77 [2023-12-02 19:05:42,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:05:42,107 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 19:05:42,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 19:05:42,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-02 19:05:42,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-12-02 19:05:42,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 49 states have internal predecessors, (71), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 19:05:42,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 123 transitions. [2023-12-02 19:05:42,167 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 123 transitions. Word has length 165 [2023-12-02 19:05:42,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:05:42,168 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 123 transitions. [2023-12-02 19:05:42,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 19:05:42,169 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2023-12-02 19:05:42,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 19:05:42,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:05:42,175 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:05:42,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:05:42,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:05:42,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:05:42,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:05:42,377 INFO L85 PathProgramCache]: Analyzing trace with hash -932600123, now seen corresponding path program 1 times [2023-12-02 19:05:42,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:05:42,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728923660] [2023-12-02 19:05:42,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:05:42,379 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 [2023-12-02 19:05:42,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:05:42,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:05:42,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:05:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:05:42,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 19:05:42,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:05:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 19:05:43,192 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:05:43,193 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:05:43,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728923660] [2023-12-02 19:05:43,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728923660] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:05:43,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:05:43,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:05:43,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302686316] [2023-12-02 19:05:43,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:05:43,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:05:43,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:05:43,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:05:43,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:05:43,199 INFO L87 Difference]: Start difference. First operand 77 states and 123 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 19:05:44,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:05:44,237 INFO L93 Difference]: Finished difference Result 230 states and 368 transitions. [2023-12-02 19:05:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:05:44,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-12-02 19:05:44,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:05:44,251 INFO L225 Difference]: With dead ends: 230 [2023-12-02 19:05:44,252 INFO L226 Difference]: Without dead ends: 154 [2023-12-02 19:05:44,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 19:05:44,254 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 114 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:05:44,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 360 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 19:05:44,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-02 19:05:44,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 125. [2023-12-02 19:05:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 70 states have internal predecessors, (92), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 19:05:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 196 transitions. [2023-12-02 19:05:44,299 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 196 transitions. Word has length 165 [2023-12-02 19:05:44,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:05:44,300 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 196 transitions. [2023-12-02 19:05:44,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 19:05:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 196 transitions. [2023-12-02 19:05:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 19:05:44,305 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:05:44,306 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:05:44,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:05:44,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:05:44,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:05:44,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:05:44,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1678307088, now seen corresponding path program 1 times [2023-12-02 19:05:44,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:05:44,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703458593] [2023-12-02 19:05:44,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:05:44,513 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 [2023-12-02 19:05:44,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:05:44,515 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:05:44,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:05:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:05:44,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 19:05:44,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:05:45,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 645 proven. 45 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-12-02 19:05:45,757 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:05:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 19:05:46,259 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:05:46,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703458593] [2023-12-02 19:05:46,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1703458593] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:05:46,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1971920978] [2023-12-02 19:05:46,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:05:46,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:05:46,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:05:46,264 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:05:46,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 19:05:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:05:46,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 19:05:46,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:05:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 19:05:46,893 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:05:46,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1971920978] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:05:46,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 19:05:46,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 7] total 14 [2023-12-02 19:05:46,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200919951] [2023-12-02 19:05:46,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:05:46,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:05:46,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:05:46,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:05:46,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-12-02 19:05:46,898 INFO L87 Difference]: Start difference. First operand 125 states and 196 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 19:05:47,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:05:47,659 INFO L93 Difference]: Finished difference Result 276 states and 438 transitions. [2023-12-02 19:05:47,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:05:47,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2023-12-02 19:05:47,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:05:47,664 INFO L225 Difference]: With dead ends: 276 [2023-12-02 19:05:47,664 INFO L226 Difference]: Without dead ends: 200 [2023-12-02 19:05:47,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-12-02 19:05:47,667 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 108 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 19:05:47,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 426 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 19:05:47,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-12-02 19:05:47,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 140. [2023-12-02 19:05:47,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 19:05:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 221 transitions. [2023-12-02 19:05:47,700 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 221 transitions. Word has length 166 [2023-12-02 19:05:47,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:05:47,702 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 221 transitions. [2023-12-02 19:05:47,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 19:05:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 221 transitions. [2023-12-02 19:05:47,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 19:05:47,706 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:05:47,706 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:05:47,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 19:05:47,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 19:05:48,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:05:48,107 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:05:48,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:05:48,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1807313582, now seen corresponding path program 1 times [2023-12-02 19:05:48,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:05:48,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730740958] [2023-12-02 19:05:48,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:05:48,109 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 [2023-12-02 19:05:48,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:05:48,110 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:05:48,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 19:05:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:05:48,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 19:05:48,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:05:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 645 proven. 45 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-12-02 19:05:49,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:05:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 19:05:49,472 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:05:49,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730740958] [2023-12-02 19:05:49,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730740958] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:05:49,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [591298447] [2023-12-02 19:05:49,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:05:49,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 19:05:49,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 19:05:49,475 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 19:05:49,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 19:05:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:05:50,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 19:05:50,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:05:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 645 proven. 45 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-12-02 19:05:50,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:05:51,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 19:05:51,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [591298447] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:05:51,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130585764] [2023-12-02 19:05:51,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:05:51,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:05:51,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:05:51,089 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:05:51,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 19:05:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:05:51,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 19:05:51,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:05:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 662 proven. 84 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2023-12-02 19:05:52,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 19:05:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 19:05:52,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130585764] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 19:05:52,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 19:05:52,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7, 7, 9, 7] total 21 [2023-12-02 19:05:52,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18999574] [2023-12-02 19:05:52,630 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 19:05:52,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-02 19:05:52,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:05:52,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-02 19:05:52,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-02 19:05:52,636 INFO L87 Difference]: Start difference. First operand 140 states and 221 transitions. Second operand has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 21 states have internal predecessors, (131), 8 states have call successors, (122), 5 states have call predecessors, (122), 10 states have return successors, (125), 8 states have call predecessors, (125), 8 states have call successors, (125) [2023-12-02 19:05:56,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:05:56,306 INFO L93 Difference]: Finished difference Result 549 states and 843 transitions. [2023-12-02 19:05:56,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 19:05:56,307 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 21 states have internal predecessors, (131), 8 states have call successors, (122), 5 states have call predecessors, (122), 10 states have return successors, (125), 8 states have call predecessors, (125), 8 states have call successors, (125) Word has length 166 [2023-12-02 19:05:56,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:05:56,313 INFO L225 Difference]: With dead ends: 549 [2023-12-02 19:05:56,313 INFO L226 Difference]: Without dead ends: 458 [2023-12-02 19:05:56,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1019 GetRequests, 972 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=594, Invalid=1568, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 19:05:56,316 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 874 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:05:56,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 794 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 19:05:56,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2023-12-02 19:05:56,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 330. [2023-12-02 19:05:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 205 states have (on average 1.2878048780487805) internal successors, (264), 206 states have internal predecessors, (264), 114 states have call successors, (114), 10 states have call predecessors, (114), 10 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2023-12-02 19:05:56,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 492 transitions. [2023-12-02 19:05:56,367 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 492 transitions. Word has length 166 [2023-12-02 19:05:56,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:05:56,368 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 492 transitions. [2023-12-02 19:05:56,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.238095238095238) internal successors, (131), 21 states have internal predecessors, (131), 8 states have call successors, (122), 5 states have call predecessors, (122), 10 states have return successors, (125), 8 states have call predecessors, (125), 8 states have call successors, (125) [2023-12-02 19:05:56,368 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 492 transitions. [2023-12-02 19:05:56,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 19:05:56,371 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:05:56,371 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:05:56,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 19:05:56,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 19:05:56,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 19:05:56,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:05:56,973 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:05:56,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:05:56,973 INFO L85 PathProgramCache]: Analyzing trace with hash -657238734, now seen corresponding path program 1 times [2023-12-02 19:05:56,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:05:56,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273919662] [2023-12-02 19:05:56,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:05:56,975 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 [2023-12-02 19:05:56,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:05:56,976 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:05:56,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8e4f8b-c2b6-4af1-9471-987a0464bd6d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:05:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:05:57,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 19:05:57,225 INFO L285 TraceCheckSpWp]: Computing forward predicates...