./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ --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 84da415e9ad0a7cbbc07d5b79a769caa1c0599f3ba39b8d5c5504fcb214f076c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:09:33,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:09:34,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:09:34,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:09:34,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:09:34,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:09:34,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:09:34,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:09:34,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:09:34,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:09:34,159 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:09:34,160 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:09:34,160 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:09:34,162 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:09:34,163 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:09:34,163 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:09:34,163 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:09:34,164 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:09:34,164 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:09:34,165 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:09:34,165 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:09:34,166 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:09:34,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:09:34,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:09:34,168 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:09:34,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:09:34,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:09:34,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:09:34,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:09:34,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:09:34,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:09:34,172 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:09:34,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:09:34,172 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:09:34,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:09:34,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:09:34,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:34,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:09:34,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:09:34,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:09:34,174 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:09:34,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:09:34,175 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:09:34,175 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:09:34,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:09:34,176 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_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84da415e9ad0a7cbbc07d5b79a769caa1c0599f3ba39b8d5c5504fcb214f076c [2023-11-19 05:09:34,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:09:34,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:09:34,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:09:34,461 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:09:34,461 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:09:34,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i [2023-11-19 05:09:37,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:09:37,889 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:09:37,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i [2023-11-19 05:09:37,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/data/1957107e7/2637a03c579840d2b3dfa613bf447de0/FLAG8b4a0229e [2023-11-19 05:09:37,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/data/1957107e7/2637a03c579840d2b3dfa613bf447de0 [2023-11-19 05:09:37,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:09:37,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:09:37,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:37,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:09:37,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:09:37,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:37" (1/1) ... [2023-11-19 05:09:37,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b54be3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:37, skipping insertion in model container [2023-11-19 05:09:37,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:37" (1/1) ... [2023-11-19 05:09:37,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:09:38,183 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_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i[916,929] [2023-11-19 05:09:38,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:38,301 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:09:38,319 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_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i[916,929] [2023-11-19 05:09:38,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:38,409 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:09:38,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38 WrapperNode [2023-11-19 05:09:38,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:38,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:38,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:09:38,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:09:38,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,506 INFO L138 Inliner]: procedures = 29, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 363 [2023-11-19 05:09:38,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:38,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:09:38,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:09:38,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:09:38,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:09:38,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:09:38,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:09:38,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:09:38,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (1/1) ... [2023-11-19 05:09:38,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:38,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:09:38,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:09:38,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:09:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:09:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:09:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:09:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:09:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:09:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:09:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:09:38,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:09:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:09:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:09:38,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:09:38,824 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:09:38,828 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:09:39,427 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:09:40,740 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:09:40,740 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:09:40,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:40 BoogieIcfgContainer [2023-11-19 05:09:40,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:09:40,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:09:40,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:09:40,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:09:40,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:09:37" (1/3) ... [2023-11-19 05:09:40,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7278fd7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:40, skipping insertion in model container [2023-11-19 05:09:40,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:38" (2/3) ... [2023-11-19 05:09:40,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7278fd7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:40, skipping insertion in model container [2023-11-19 05:09:40,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:40" (3/3) ... [2023-11-19 05:09:40,761 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-31.i [2023-11-19 05:09:40,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:09:40,781 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:09:40,841 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:09:40,849 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;@3009f75d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:09:40,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:09:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:09:40,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 05:09:40,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:09:40,866 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:09:40,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:40,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:40,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1816185500, now seen corresponding path program 1 times [2023-11-19 05:09:40,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:09:40,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167942458] [2023-11-19 05:09:40,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:40,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:09:41,078 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:09:41,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [859625612] [2023-11-19 05:09:41,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:41,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:09:41,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:09:41,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:09:41,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:09:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:09:41,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:09:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:09:41,904 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:09:41,906 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:09:41,908 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:09:41,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:09:42,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:09:42,134 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:09:42,138 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:09:42,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-19 05:09:42,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-19 05:09:42,184 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 05:09:42,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 05:09:42,186 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 05:09:42,186 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 05:09:42,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-19 05:09:42,188 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-19 05:09:42,191 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-19 05:09:42,193 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-19 05:09:42,193 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-19 05:09:42,193 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 05:09:42,194 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:09:42,194 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 05:09:42,194 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 05:09:42,195 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-19 05:09:42,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 05:09:42,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:09:42,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-19 05:09:42,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-19 05:09:42,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 05:09:42,199 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 05:09:42,199 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 05:09:42,201 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 05:09:42,203 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:09:42,203 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:09:42,205 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:09:42,206 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:09:42,211 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:09:42,212 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:09:42,213 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:09:42,213 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:09:42,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:09:42,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:09:42,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:09:42 BoogieIcfgContainer [2023-11-19 05:09:42,231 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:09:42,232 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:09:42,232 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:09:42,233 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:09:42,233 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:40" (3/4) ... [2023-11-19 05:09:42,235 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:09:42,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:09:42,238 INFO L158 Benchmark]: Toolchain (without parser) took 4309.36ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 118.0MB in the beginning and 138.9MB in the end (delta: -20.8MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-19 05:09:42,239 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:09:42,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.35ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 103.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:09:42,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.08ms. Allocated memory is still 163.6MB. Free memory was 103.3MB in the beginning and 99.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:09:42,241 INFO L158 Benchmark]: Boogie Preprocessor took 76.75ms. Allocated memory is still 163.6MB. Free memory was 99.8MB in the beginning and 97.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:09:42,242 INFO L158 Benchmark]: RCFGBuilder took 2162.07ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 97.1MB in the beginning and 111.7MB in the end (delta: -14.6MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2023-11-19 05:09:42,242 INFO L158 Benchmark]: TraceAbstraction took 1481.07ms. Allocated memory is still 199.2MB. Free memory was 110.7MB in the beginning and 138.9MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:09:42,243 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 199.2MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:09:42,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.35ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 103.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.08ms. Allocated memory is still 163.6MB. Free memory was 103.3MB in the beginning and 99.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.75ms. Allocated memory is still 163.6MB. Free memory was 99.8MB in the beginning and 97.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2162.07ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 97.1MB in the beginning and 111.7MB in the end (delta: -14.6MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1481.07ms. Allocated memory is still 199.2MB. Free memory was 110.7MB in the beginning and 138.9MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 199.2MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 someBinaryDOUBLEComparisonOperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[2] = { 0.97, 32.6 }; [L28-L30] signed long int signed_long_int_Array_0[2][2] = { {-32, 1107940323}, {4, 200} }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 4, 64 }; [L34] double last_1_double_Array_0_0_ = 0.97; [L35] signed long int last_1_signed_long_int_Array_0_1__0_ = 4; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L94] EXPR double_Array_0[0] [L94] last_1_double_Array_0_0_ = double_Array_0[0] [L95] EXPR signed_long_int_Array_0[1][0] [L95] last_1_signed_long_int_Array_0_1__0_ = signed_long_int_Array_0[1][0] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L75] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L78] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L80] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L81] double_Array_0[1] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F [L82] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F [L82] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L82] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L83] signed_long_int_Array_0[0][0] = __VERIFIER_nondet_long() [L84] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L84] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_long_int_Array_0[0][0] >= -1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L85] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L85] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(signed_long_int_Array_0[0][0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L86] signed_long_int_Array_0[0][1] = __VERIFIER_nondet_long() [L87] EXPR signed_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[0][1] >= 1073741822) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_long_int_Array_0[0][1] >= 1073741822) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L88] EXPR signed_long_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L88] CALL assume_abort_if_not(signed_long_int_Array_0[0][1] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_long_int_Array_0[0][1] <= 2147483646) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L89] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L90] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L90] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L91] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L106] RET updateVariables() [L107] CALL step() [L39] EXPR signed_long_int_Array_0[0][1] [L39] EXPR signed_long_int_Array_0[0][0] [L39] COND FALSE !(! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) [L46] EXPR unsigned_char_Array_0[0] [L46] unsigned_char_Array_0[1] = unsigned_char_Array_0[0] [L48] EXPR unsigned_char_Array_0[1] [L48] EXPR unsigned_char_Array_0[1] [L48] COND FALSE !(unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR signed_long_int_Array_0[0][1] [L51] signed_long_int_Array_0[1][0] = (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]) [L53] EXPR unsigned_char_Array_0[1] [L53] EXPR signed_long_int_Array_0[0][1] [L53] EXPR unsigned_char_Array_0[1] [L53] COND FALSE !((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) [L64] EXPR double_Array_0[1] [L64] double_Array_0[0] = double_Array_0[1] [L66] BOOL_unsigned_char_Array_0[1] [L66] COND TRUE BOOL_unsigned_char_Array_0[1] [L67] EXPR signed_long_int_Array_0[0][1] [L67] EXPR unsigned_char_Array_0[1] [L67] EXPR unsigned_char_Array_0[1] [L67] signed_long_int_Array_0[1][1] = ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]) [L107] RET step() [L108] CALL, EXPR property() [L98] EXPR BOOL_unsigned_char_Array_0[1] [L98] EXPR BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1) [L98] EXPR signed_long_int_Array_0[1][1] [L98] EXPR signed_long_int_Array_0[0][1] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1) [L98] EXPR (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1])))) [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR (unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))) [L98] EXPR signed_long_int_Array_0[1][0] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR signed_long_int_Array_0[0][1] [L98] EXPR (unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))) [L98] EXPR (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1])))) [L98] EXPR ((BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))))) && ((! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) [L98] EXPR signed_long_int_Array_0[0][1] [L98] EXPR signed_long_int_Array_0[0][0] [L98] EXPR (! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR unsigned_char_Array_0[0] [L98] EXPR (! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) [L98] EXPR ((BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))))) && ((! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) [L98] EXPR (((BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))))) && ((! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])))) && (((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0] == ((double) 0.8)) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR signed_long_int_Array_0[0][1] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR ((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0] == ((double) 0.8)) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1])) [L98] EXPR double_Array_0[0] [L98] EXPR double_Array_0[1] [L98] EXPR ((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0] == ((double) 0.8)) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1])) [L98] EXPR (((BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))))) && ((! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])))) && (((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0] == ((double) 0.8)) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) [L98-L99] return (((BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((signed_long_int_Array_0[0][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : ((BOOL_unsigned_char_Array_0[0] && (signed_long_int_Array_0[0][1] < unsigned_char_Array_0[1])) ? (signed_long_int_Array_0[1][1] == ((signed long int) signed_long_int_Array_0[0][1])) : 1)) && ((unsigned_char_Array_0[1] < unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] + unsigned_char_Array_0[1]))) : (signed_long_int_Array_0[1][0] == ((signed long int) (unsigned_char_Array_0[1] - signed_long_int_Array_0[0][1]))))) && ((! (signed_long_int_Array_0[0][1] < (signed_long_int_Array_0[0][0] * last_1_signed_long_int_Array_0_1__0_))) ? ((((((last_1_double_Array_0_0_) < 0 ) ? -(last_1_double_Array_0_0_) : (last_1_double_Array_0_0_))) < last_1_double_Array_0_0_) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) : 1) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])))) && (((unsigned_char_Array_0[1] + signed_long_int_Array_0[0][1]) < unsigned_char_Array_0[1]) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (double_Array_0[0] == ((double) 0.8)) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) : (double_Array_0[0] == ((double) double_Array_0[1]))) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=97/100, last_1_signed_long_int_Array_0_1__0_=4, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 11, 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=31occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 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 [2023-11-19 05:09:42,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ --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 84da415e9ad0a7cbbc07d5b79a769caa1c0599f3ba39b8d5c5504fcb214f076c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:09:45,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:09:45,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:09:45,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:09:45,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:09:45,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:09:45,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:09:45,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:09:45,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:09:45,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:09:45,338 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:09:45,339 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:09:45,339 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:09:45,341 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:09:45,342 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:09:45,342 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:09:45,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:09:45,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:09:45,345 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:09:45,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:09:45,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:09:45,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:09:45,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:09:45,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:09:45,348 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:09:45,349 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:09:45,349 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:09:45,349 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:09:45,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:09:45,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:09:45,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:09:45,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:09:45,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:09:45,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:45,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:09:45,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:09:45,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:09:45,354 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:09:45,354 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:09:45,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:09:45,355 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:09:45,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:09:45,356 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_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84da415e9ad0a7cbbc07d5b79a769caa1c0599f3ba39b8d5c5504fcb214f076c [2023-11-19 05:09:45,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:09:45,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:09:45,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:09:45,909 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:09:45,909 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:09:45,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i [2023-11-19 05:09:49,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:09:49,704 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:09:49,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i [2023-11-19 05:09:49,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/data/8529eabc3/da2228afe4d349d788ac6294c52cc636/FLAG5cfce68f9 [2023-11-19 05:09:49,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/data/8529eabc3/da2228afe4d349d788ac6294c52cc636 [2023-11-19 05:09:49,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:09:49,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:09:49,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:49,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:09:49,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:09:49,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:49" (1/1) ... [2023-11-19 05:09:49,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ab646b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:49, skipping insertion in model container [2023-11-19 05:09:49,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:49" (1/1) ... [2023-11-19 05:09:49,816 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:09:50,034 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_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i[916,929] [2023-11-19 05:09:50,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:50,172 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:09:50,190 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_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-31.i[916,929] [2023-11-19 05:09:50,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:50,369 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:09:50,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50 WrapperNode [2023-11-19 05:09:50,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:50,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:50,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:09:50,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:09:50,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (1/1) ... [2023-11-19 05:09:50,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (1/1) ... [2023-11-19 05:09:50,448 INFO L138 Inliner]: procedures = 33, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 361 [2023-11-19 05:09:50,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:50,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:09:50,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:09:50,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:09:50,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (1/1) ... [2023-11-19 05:09:50,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (1/1) ... [2023-11-19 05:09:50,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (1/1) ... [2023-11-19 05:09:50,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (1/1) ... [2023-11-19 05:09:50,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (1/1) ... [2023-11-19 05:09:50,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (1/1) ... [2023-11-19 05:09:50,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (1/1) ... [2023-11-19 05:09:50,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (1/1) ... [2023-11-19 05:09:50,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:09:50,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:09:50,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:09:50,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:09:50,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (1/1) ... [2023-11-19 05:09:50,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:50,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:09:50,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:09:50,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:09:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:09:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 05:09:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 05:09:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:09:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:09:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:09:50,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 05:09:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:09:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:09:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:09:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:09:50,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:09:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:09:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:09:50,822 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:09:50,825 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:09:51,654 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:09:51,668 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:09:51,671 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:09:51,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:51 BoogieIcfgContainer [2023-11-19 05:09:51,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:09:51,681 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:09:51,682 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:09:51,686 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:09:51,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:09:49" (1/3) ... [2023-11-19 05:09:51,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba3975a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:51, skipping insertion in model container [2023-11-19 05:09:51,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:50" (2/3) ... [2023-11-19 05:09:51,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba3975a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:51, skipping insertion in model container [2023-11-19 05:09:51,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:51" (3/3) ... [2023-11-19 05:09:51,692 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-31.i [2023-11-19 05:09:51,712 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:09:51,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:09:51,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:09:51,780 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;@4c1b286c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:09:51,781 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:09:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:09:51,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 05:09:51,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:09:51,800 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:09:51,801 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:51,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:51,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1895032216, now seen corresponding path program 1 times [2023-11-19 05:09:51,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:09:51,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1573506937] [2023-11-19 05:09:51,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:51,823 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 [2023-11-19 05:09:51,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:09:51,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:09:51,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:09:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:52,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:09:52,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:09:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-19 05:09:52,269 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:09:52,270 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:09:52,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1573506937] [2023-11-19 05:09:52,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1573506937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:09:52,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:09:52,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:09:52,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393203943] [2023-11-19 05:09:52,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:09:52,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:09:52,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:09:52,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:09:52,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:09:52,314 INFO L87 Difference]: Start difference. First operand has 87 states, 73 states have (on average 1.452054794520548) internal successors, (106), 74 states have internal predecessors, (106), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:09:52,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:09:52,345 INFO L93 Difference]: Finished difference Result 164 states and 256 transitions. [2023-11-19 05:09:52,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:09:52,348 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2023-11-19 05:09:52,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:09:52,356 INFO L225 Difference]: With dead ends: 164 [2023-11-19 05:09:52,357 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 05:09:52,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:09:52,365 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:09:52,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:09:52,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 05:09:52,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-19 05:09:52,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:09:52,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2023-11-19 05:09:52,416 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 94 [2023-11-19 05:09:52,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:09:52,416 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2023-11-19 05:09:52,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:09:52,417 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2023-11-19 05:09:52,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 05:09:52,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:09:52,423 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:09:52,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:09:52,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:09:52,636 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:52,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:52,637 INFO L85 PathProgramCache]: Analyzing trace with hash -43167662, now seen corresponding path program 1 times [2023-11-19 05:09:52,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:09:52,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771466089] [2023-11-19 05:09:52,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:52,639 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 [2023-11-19 05:09:52,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:09:52,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:09:52,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:09:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:52,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:09:52,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:09:53,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-19 05:09:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:09:53,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:09:53,070 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:09:53,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [771466089] [2023-11-19 05:09:53,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [771466089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:09:53,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:09:53,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:09:53,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859917761] [2023-11-19 05:09:53,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:09:53,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:09:53,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:09:53,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:09:53,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:09:53,075 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:09:53,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:09:53,116 INFO L93 Difference]: Finished difference Result 157 states and 225 transitions. [2023-11-19 05:09:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:09:53,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2023-11-19 05:09:53,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:09:53,119 INFO L225 Difference]: With dead ends: 157 [2023-11-19 05:09:53,120 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 05:09:53,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:09:53,123 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:09:53,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:09:53,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 05:09:53,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-19 05:09:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 67 states have (on average 1.3582089552238805) internal successors, (91), 67 states have internal predecessors, (91), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:09:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2023-11-19 05:09:53,137 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 94 [2023-11-19 05:09:53,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:09:53,139 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2023-11-19 05:09:53,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:09:53,140 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2023-11-19 05:09:53,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 05:09:53,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:09:53,144 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:09:53,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:09:53,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:09:53,350 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:53,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:53,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1631515564, now seen corresponding path program 1 times [2023-11-19 05:09:53,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:09:53,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424167603] [2023-11-19 05:09:53,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:53,353 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 [2023-11-19 05:09:53,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:09:53,390 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:09:53,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:09:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:53,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 05:09:53,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:09:54,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 05:09:55,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:09:55,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:09:55,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 05:09:55,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:09:55,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2023-11-19 05:09:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 108 proven. 9 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-19 05:09:55,826 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:09:57,073 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_70 (_ BitVec 32)) (v_ArrVal_72 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|) v_ArrVal_70)) |c_~#double_Array_0~0.base| v_ArrVal_72)) (.cse3 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse0 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 |c_~#unsigned_char_Array_0~0.base|) .cse3))))))) (= .cse0 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_72) |c_~#signed_long_int_Array_0~0.base| (let ((.cse1 (select .cse2 |c_~#signed_long_int_Array_0~0.base|))) (store .cse1 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd .cse0 (select .cse1 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)))))) |c_~#unsigned_char_Array_0~0.base|) .cse3))))))))) is different from false [2023-11-19 05:09:57,163 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_69 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_70 (_ BitVec 32)) (v_ArrVal_72 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| |c_~#unsigned_char_Array_0~0.base| v_ArrVal_69))) (let ((.cse3 (store (store .cse1 |c_~#signed_long_int_Array_0~0.base| (store (select .cse1 |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|) v_ArrVal_70)) |c_~#double_Array_0~0.base| v_ArrVal_72)) (.cse4 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse0 (bvmul (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 |c_~#unsigned_char_Array_0~0.base|) .cse4)))) (_ bv2 32)))) (= .cse0 (bvmul (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store .cse1 |c_~#double_Array_0~0.base| v_ArrVal_72) |c_~#signed_long_int_Array_0~0.base| (let ((.cse2 (select .cse3 |c_~#signed_long_int_Array_0~0.base|))) (store .cse2 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd .cse0 (select .cse2 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)))))) |c_~#unsigned_char_Array_0~0.base|) .cse4)))) (_ bv2 32))))))) is different from false [2023-11-19 05:09:57,341 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:09:57,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424167603] [2023-11-19 05:09:57,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424167603] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:09:57,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1248938066] [2023-11-19 05:09:57,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:57,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:09:57,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:09:57,350 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:09:57,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:09:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:58,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 05:09:58,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:09:59,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 05:09:59,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 05:10:00,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 29 [2023-11-19 05:10:00,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:10:00,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2023-11-19 05:10:00,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2023-11-19 05:10:00,561 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:10:00,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 46 [2023-11-19 05:10:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 108 proven. 9 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-19 05:10:00,886 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:10:03,959 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_100 (_ BitVec 32)) (v_ArrVal_72 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse0 (store |c_#memory_int| |c_~#unsigned_char_Array_0~0.base| (let ((.cse5 (select |c_#memory_int| |c_~#unsigned_char_Array_0~0.base|))) (store .cse5 .cse4 ((_ sign_extend 24) ((_ extract 7 0) (select .cse5 |~#unsigned_char_Array_0~0.offset|)))))))) (let ((.cse3 (store (store .cse0 |c_~#signed_long_int_Array_0~0.base| (store (select .cse0 |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|) v_ArrVal_100)) |c_~#double_Array_0~0.base| v_ArrVal_72))) (let ((.cse2 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 |c_~#unsigned_char_Array_0~0.base|) .cse4))))))) (= (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store .cse0 |c_~#double_Array_0~0.base| v_ArrVal_72) |c_~#signed_long_int_Array_0~0.base| (let ((.cse1 (select .cse3 |c_~#signed_long_int_Array_0~0.base|))) (store .cse1 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd .cse2 (select .cse1 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)))))) |c_~#unsigned_char_Array_0~0.base|) .cse4))))) .cse2)))))) is different from false [2023-11-19 05:10:04,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1248938066] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:10:04,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643481659] [2023-11-19 05:10:04,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:04,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:10:04,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:10:04,107 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:10:04,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 05:10:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:04,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 05:10:04,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:10:04,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-19 05:10:05,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:10:05,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:10:05,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 05:10:05,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:10:05,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2023-11-19 05:10:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 36 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-19 05:10:05,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:10:07,352 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_130 (Array (_ BitVec 32) (_ BitVec 32))) (|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_128 (_ BitVec 32))) (let ((.cse2 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|) v_ArrVal_128)) |c_~#double_Array_0~0.base| v_ArrVal_130)) (.cse3 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse0 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 |c_~#unsigned_char_Array_0~0.base|) .cse3))))))) (= .cse0 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_130) |c_~#signed_long_int_Array_0~0.base| (let ((.cse1 (select .cse2 |c_~#signed_long_int_Array_0~0.base|))) (store .cse1 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd .cse0 (select .cse1 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)))))) |c_~#unsigned_char_Array_0~0.base|) .cse3))))))))) is different from false [2023-11-19 05:10:07,453 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_130 (Array (_ BitVec 32) (_ BitVec 32))) (|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_128 (_ BitVec 32)) (v_ArrVal_127 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| |c_~#unsigned_char_Array_0~0.base| v_ArrVal_127))) (let ((.cse3 (store (store .cse1 |c_~#signed_long_int_Array_0~0.base| (store (select .cse1 |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|) v_ArrVal_128)) |c_~#double_Array_0~0.base| v_ArrVal_130)) (.cse4 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse0 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 |c_~#unsigned_char_Array_0~0.base|) .cse4))))))) (= .cse0 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store .cse1 |c_~#double_Array_0~0.base| v_ArrVal_130) |c_~#signed_long_int_Array_0~0.base| (let ((.cse2 (select .cse3 |c_~#signed_long_int_Array_0~0.base|))) (store .cse2 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd .cse0 (select .cse2 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)))))) |c_~#unsigned_char_Array_0~0.base|) .cse4)))))))))) is different from false [2023-11-19 05:10:07,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643481659] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:10:07,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 05:10:07,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 18 [2023-11-19 05:10:07,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092185800] [2023-11-19 05:10:07,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 05:10:07,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-19 05:10:07,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:10:07,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-19 05:10:07,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=502, Unknown=28, NotChecked=270, Total=992 [2023-11-19 05:10:07,597 INFO L87 Difference]: Start difference. First operand 80 states and 113 transitions. Second operand has 19 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 18 states have internal predecessors, (86), 6 states have call successors, (22), 4 states have call predecessors, (22), 6 states have return successors, (23), 4 states have call predecessors, (23), 6 states have call successors, (23) [2023-11-19 05:10:11,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:11,713 INFO L93 Difference]: Finished difference Result 312 states and 438 transitions. [2023-11-19 05:10:11,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-19 05:10:11,722 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 18 states have internal predecessors, (86), 6 states have call successors, (22), 4 states have call predecessors, (22), 6 states have return successors, (23), 4 states have call predecessors, (23), 6 states have call successors, (23) Word has length 94 [2023-11-19 05:10:11,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:11,729 INFO L225 Difference]: With dead ends: 312 [2023-11-19 05:10:11,734 INFO L226 Difference]: Without dead ends: 235 [2023-11-19 05:10:11,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 314 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=471, Invalid=1243, Unknown=28, NotChecked=420, Total=2162 [2023-11-19 05:10:11,738 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 609 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:11,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 482 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-19 05:10:11,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-11-19 05:10:11,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 88. [2023-11-19 05:10:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 74 states have (on average 1.337837837837838) internal successors, (99), 74 states have internal predecessors, (99), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:10:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 121 transitions. [2023-11-19 05:10:11,776 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 121 transitions. Word has length 94 [2023-11-19 05:10:11,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:11,777 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 121 transitions. [2023-11-19 05:10:11,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 18 states have internal predecessors, (86), 6 states have call successors, (22), 4 states have call predecessors, (22), 6 states have return successors, (23), 4 states have call predecessors, (23), 6 states have call successors, (23) [2023-11-19 05:10:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 121 transitions. [2023-11-19 05:10:11,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 05:10:11,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:11,781 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:11,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:10:12,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:10:12,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:10:12,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:10:12,405 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:10:12,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:12,406 INFO L85 PathProgramCache]: Analyzing trace with hash 383798607, now seen corresponding path program 1 times [2023-11-19 05:10:12,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:10:12,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993185261] [2023-11-19 05:10:12,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:12,407 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 [2023-11-19 05:10:12,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:10:12,408 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:10:12,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 05:10:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:12,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:10:12,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:10:12,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-19 05:10:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:10:12,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:10:12,698 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:10:12,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993185261] [2023-11-19 05:10:12,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993185261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:12,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:10:12,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:10:12,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809519953] [2023-11-19 05:10:12,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:12,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:10:12,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:10:12,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:10:12,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:12,705 INFO L87 Difference]: Start difference. First operand 88 states and 121 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:10:12,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:12,744 INFO L93 Difference]: Finished difference Result 189 states and 262 transitions. [2023-11-19 05:10:12,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:10:12,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2023-11-19 05:10:12,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:12,751 INFO L225 Difference]: With dead ends: 189 [2023-11-19 05:10:12,752 INFO L226 Difference]: Without dead ends: 104 [2023-11-19 05:10:12,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:12,754 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 24 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:12,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 217 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:10:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-19 05:10:12,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 88. [2023-11-19 05:10:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 74 states have internal predecessors, (98), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:10:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2023-11-19 05:10:12,779 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 96 [2023-11-19 05:10:12,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:12,780 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2023-11-19 05:10:12,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:10:12,781 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2023-11-19 05:10:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 05:10:12,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:12,783 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:12,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:10:12,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:10:12,990 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:10:12,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:12,991 INFO L85 PathProgramCache]: Analyzing trace with hash -9228403, now seen corresponding path program 1 times [2023-11-19 05:10:12,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:10:12,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682176875] [2023-11-19 05:10:12,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:12,992 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 [2023-11-19 05:10:12,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:10:12,993 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:10:12,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 (8)] Waiting until timeout for monitored process [2023-11-19 05:10:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:13,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 05:10:13,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:10:13,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 05:10:14,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:10:14,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:10:14,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2023-11-19 05:10:14,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2023-11-19 05:10:14,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:10:14,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 55 [2023-11-19 05:10:15,719 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:10:15,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 152 treesize of output 62 [2023-11-19 05:10:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 108 proven. 9 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-19 05:10:15,841 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:10:17,289 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_181 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|)) (.cse4 (bvadd |c_~#unsigned_char_Array_0~0.offset| (_ bv1 32))) (.cse5 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|))) (let ((.cse3 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (let ((.cse6 (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|))) (store .cse6 .cse1 (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| |c_~#unsigned_char_Array_0~0.base|) .cse4))) (bvneg (select .cse6 .cse5)))))) |c_~#double_Array_0~0.base| v_ArrVal_181))) (let ((.cse0 (select .cse3 |c_~#signed_long_int_Array_0~0.base|))) (= (select .cse0 .cse1) (let ((.cse2 (select .cse0 .cse5))) (bvadd (bvneg .cse2) ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_181) |c_~#signed_long_int_Array_0~0.base| (store .cse0 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 |c_~#unsigned_char_Array_0~0.base|) .cse4))))) .cse2))) |c_~#unsigned_char_Array_0~0.base|) .cse4)))))))))) is different from false [2023-11-19 05:10:17,358 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_181 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|)) (.cse4 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)) (.cse3 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32)))) (let ((.cse2 (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (let ((.cse6 (select |c_#memory_int| |c_~#signed_long_int_Array_0~0.base|))) (store .cse6 .cse5 (bvadd (bvneg (select .cse6 .cse4)) ((_ zero_extend 24) ((_ extract 7 0) (select (select |c_#memory_int| |c_~#unsigned_char_Array_0~0.base|) .cse3))))))) |c_~#double_Array_0~0.base| v_ArrVal_181))) (let ((.cse1 (select .cse2 |c_~#signed_long_int_Array_0~0.base|))) (= (let ((.cse0 (select .cse1 .cse4))) (bvadd (bvneg .cse0) ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_181) |c_~#signed_long_int_Array_0~0.base| (store .cse1 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd (bvmul (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse2 |c_~#unsigned_char_Array_0~0.base|) .cse3)))) (_ bv2 32)) .cse0))) |c_~#unsigned_char_Array_0~0.base|) .cse3))))) (select .cse1 .cse5)))))) is different from false [2023-11-19 05:10:17,446 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_178 (Array (_ BitVec 32) (_ BitVec 32))) (|~#unsigned_char_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_181 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (bvadd (_ bv8 32) |c_~#signed_long_int_Array_0~0.offset|)) (.cse4 (bvadd |~#unsigned_char_Array_0~0.offset| (_ bv1 32))) (.cse5 (bvadd (_ bv4 32) |c_~#signed_long_int_Array_0~0.offset|)) (.cse1 (store |c_#memory_int| |c_~#unsigned_char_Array_0~0.base| v_ArrVal_178))) (let ((.cse3 (store (store .cse1 |c_~#signed_long_int_Array_0~0.base| (let ((.cse7 (select .cse1 |c_~#signed_long_int_Array_0~0.base|))) (store .cse7 .cse6 (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select v_ArrVal_178 .cse4))) (bvneg (select .cse7 .cse5)))))) |c_~#double_Array_0~0.base| v_ArrVal_181))) (let ((.cse2 (select .cse3 |c_~#signed_long_int_Array_0~0.base|))) (= (let ((.cse0 (select .cse2 .cse5))) (bvadd (bvneg .cse0) ((_ zero_extend 24) ((_ extract 7 0) (select (select (store (store .cse1 |c_~#double_Array_0~0.base| v_ArrVal_181) |c_~#signed_long_int_Array_0~0.base| (store .cse2 (bvadd |c_~#signed_long_int_Array_0~0.offset| (_ bv12 32)) (bvadd .cse0 (bvmul (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select (select .cse3 |c_~#unsigned_char_Array_0~0.base|) .cse4)))) (_ bv2 32))))) |c_~#unsigned_char_Array_0~0.base|) .cse4))))) (select .cse2 .cse6)))))) is different from false [2023-11-19 05:10:17,587 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:10:17,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682176875] [2023-11-19 05:10:17,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682176875] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:10:17,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1642873465] [2023-11-19 05:10:17,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:17,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:10:17,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:10:17,589 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:10:17,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 05:10:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:18,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 05:10:18,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:10:20,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 05:10:20,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 05:10:21,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-11-19 05:10:21,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2023-11-19 05:10:21,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2023-11-19 05:10:21,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 56 [2023-11-19 05:10:22,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 54 [2023-11-19 05:10:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:10:22,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:10:22,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1642873465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:22,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:10:22,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 17 [2023-11-19 05:10:22,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186175789] [2023-11-19 05:10:22,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:22,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 05:10:22,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:10:22,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 05:10:22,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=383, Unknown=13, NotChecked=126, Total=600 [2023-11-19 05:10:22,588 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:10:27,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:27,581 INFO L93 Difference]: Finished difference Result 282 states and 389 transitions. [2023-11-19 05:10:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 05:10:27,582 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2023-11-19 05:10:27,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:27,585 INFO L225 Difference]: With dead ends: 282 [2023-11-19 05:10:27,585 INFO L226 Difference]: Without dead ends: 197 [2023-11-19 05:10:27,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=231, Invalid=824, Unknown=13, NotChecked=192, Total=1260 [2023-11-19 05:10:27,588 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 352 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:27,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 450 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-19 05:10:27,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-11-19 05:10:27,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 114. [2023-11-19 05:10:27,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 100 states have (on average 1.36) internal successors, (136), 100 states have internal predecessors, (136), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:10:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 158 transitions. [2023-11-19 05:10:27,608 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 158 transitions. Word has length 96 [2023-11-19 05:10:27,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:27,609 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 158 transitions. [2023-11-19 05:10:27,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:10:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 158 transitions. [2023-11-19 05:10:27,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 05:10:27,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:27,612 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:27,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-19 05:10:27,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:10:28,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:10:28,022 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:10:28,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:28,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1519818532, now seen corresponding path program 1 times [2023-11-19 05:10:28,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:10:28,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553394871] [2023-11-19 05:10:28,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:28,023 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 [2023-11-19 05:10:28,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:10:28,024 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:10:28,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6220f02a-f556-4d0b-b1a2-160c50ac6ddb/bin/utaipan-verify-t7M7D8N6sZ/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 (10)] Waiting until timeout for monitored process [2023-11-19 05:10:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:28,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 05:10:28,300 INFO L285 TraceCheckSpWp]: Computing forward predicates...