./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.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_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/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_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/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_30c12a70-6270-467a-9f1f-81da1759c36a/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 dd3e509a85a1a145df13b25b31acf4786a0b4df9db3cb7a4b510e8d9ede3e75f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:23:07,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:23:07,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:23:07,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:23:07,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:23:07,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:23:07,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:23:07,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:23:07,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:23:07,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:23:07,517 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:23:07,518 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:23:07,519 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:23:07,519 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:23:07,520 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:23:07,520 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:23:07,521 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:23:07,530 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:23:07,531 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:23:07,531 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:23:07,532 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:23:07,533 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:23:07,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:23:07,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:23:07,535 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:23:07,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:23:07,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:23:07,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:23:07,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:23:07,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:23:07,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:23:07,538 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:23:07,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:23:07,543 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:23:07,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:23:07,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:23:07,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:07,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:23:07,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:23:07,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:23:07,545 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:23:07,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:23:07,546 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:23:07,546 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:23:07,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:23:07,547 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_30c12a70-6270-467a-9f1f-81da1759c36a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd3e509a85a1a145df13b25b31acf4786a0b4df9db3cb7a4b510e8d9ede3e75f [2023-11-19 05:23:07,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:23:07,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:23:07,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:23:07,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:23:07,799 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:23:07,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i [2023-11-19 05:23:10,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:23:11,139 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:23:11,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i [2023-11-19 05:23:11,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/data/e50e11e49/533064eb11f540d78d9a74b328ddd6fd/FLAGba354479a [2023-11-19 05:23:11,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/data/e50e11e49/533064eb11f540d78d9a74b328ddd6fd [2023-11-19 05:23:11,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:23:11,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:23:11,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:11,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:23:11,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:23:11,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2605d285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11, skipping insertion in model container [2023-11-19 05:23:11,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:11,353 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_30c12a70-6270-467a-9f1f-81da1759c36a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i[913,926] [2023-11-19 05:23:11,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:11,431 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:23:11,443 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_30c12a70-6270-467a-9f1f-81da1759c36a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i[913,926] [2023-11-19 05:23:11,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:11,499 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:23:11,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11 WrapperNode [2023-11-19 05:23:11,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:11,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:11,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:23:11,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:23:11,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,572 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-11-19 05:23:11,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:11,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:23:11,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:23:11,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:23:11,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:23:11,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:23:11,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:23:11,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:23:11,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (1/1) ... [2023-11-19 05:23:11,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:11,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:11,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:23:11,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:23:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:23:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:23:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:23:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:23:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:23:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:23:11,865 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:23:11,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:23:12,329 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:23:12,626 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:23:12,626 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:23:12,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:12 BoogieIcfgContainer [2023-11-19 05:23:12,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:23:12,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:23:12,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:23:12,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:23:12,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:23:11" (1/3) ... [2023-11-19 05:23:12,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f34ac09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:12, skipping insertion in model container [2023-11-19 05:23:12,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:11" (2/3) ... [2023-11-19 05:23:12,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f34ac09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:12, skipping insertion in model container [2023-11-19 05:23:12,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:12" (3/3) ... [2023-11-19 05:23:12,646 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-21.i [2023-11-19 05:23:12,666 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:23:12,666 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:23:12,732 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:23:12,739 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;@160c79b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:23:12,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:23:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:23:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 05:23:12,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:12,757 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:12,758 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:12,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:12,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1277704117, now seen corresponding path program 1 times [2023-11-19 05:23:12,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:12,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355729961] [2023-11-19 05:23:12,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:12,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:12,937 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:23:12,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1489727023] [2023-11-19 05:23:12,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:12,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:23:12,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:12,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:23:12,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:23:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:23:13,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:23:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:23:13,455 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:23:13,457 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:23:13,458 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:23:13,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:23:13,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:23:13,671 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:23:13,675 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:23:13,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:23:13 BoogieIcfgContainer [2023-11-19 05:23:13,773 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:23:13,774 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:23:13,774 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:23:13,774 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:23:13,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:12" (3/4) ... [2023-11-19 05:23:13,777 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:23:13,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:23:13,779 INFO L158 Benchmark]: Toolchain (without parser) took 2609.96ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 127.5MB in the beginning and 117.3MB in the end (delta: 10.2MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2023-11-19 05:23:13,780 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory was 137.2MB in the beginning and 137.1MB in the end (delta: 80.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:13,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.95ms. Allocated memory is still 167.8MB. Free memory was 127.2MB in the beginning and 112.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:23:13,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.72ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 107.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:23:13,782 INFO L158 Benchmark]: Boogie Preprocessor took 67.83ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:23:13,782 INFO L158 Benchmark]: RCFGBuilder took 990.57ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 105.8MB in the beginning and 162.4MB in the end (delta: -56.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2023-11-19 05:23:13,783 INFO L158 Benchmark]: TraceAbstraction took 1136.73ms. Allocated memory is still 205.5MB. Free memory was 161.4MB in the beginning and 118.4MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 05:23:13,784 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 205.5MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:13,787 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory was 137.2MB in the beginning and 137.1MB in the end (delta: 80.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.95ms. Allocated memory is still 167.8MB. Free memory was 127.2MB in the beginning and 112.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.72ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 107.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.83ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 990.57ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 105.8MB in the beginning and 162.4MB in the end (delta: -56.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1136.73ms. Allocated memory is still 205.5MB. Free memory was 161.4MB in the beginning and 118.4MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 205.5MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of shiftLeft at line 75, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 10; [L23] signed char var_1_3 = 1; [L24] signed char var_1_4 = 100; [L25] signed char var_1_5 = 5; [L26] signed char var_1_6 = 32; [L27] signed char var_1_7 = 32; [L28] unsigned short int var_1_8 = 8; [L29] unsigned short int var_1_10 = 21451; [L30] unsigned char var_1_12 = 8; [L31] unsigned short int var_1_13 = 16; [L32] unsigned short int var_1_16 = 53444; [L33] unsigned char var_1_17 = 0; [L34] unsigned char var_1_18 = 0; [L35] double var_1_19 = 1.2; [L36] signed char var_1_20 = 1; [L37] double var_1_21 = 10.5; [L38] double var_1_22 = 0.0; [L39] double var_1_23 = 10.4; [L40] double var_1_24 = 50.5; [L41] unsigned short int var_1_25 = 2; [L42] unsigned short int last_1_var_1_8 = 8; [L43] unsigned char last_1_var_1_12 = 8; [L44] unsigned short int last_1_var_1_13 = 16; [L45] unsigned char last_1_var_1_17 = 0; [L46] unsigned short int last_1_var_1_25 = 2; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] CALL updateLastVariables() [L122] last_1_var_1_8 = var_1_8 [L123] last_1_var_1_12 = var_1_12 [L124] last_1_var_1_13 = var_1_13 [L125] last_1_var_1_17 = var_1_17 [L126] last_1_var_1_25 = var_1_25 [L136] RET updateLastVariables() [L137] CALL updateVariables() [L85] var_1_3 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_3 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_3 >= -127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L87] CALL assume_abort_if_not(var_1_3 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_3 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L88] var_1_4 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L90] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L91] var_1_5 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8] [L93] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=32, var_1_7=32, var_1_8=8] [L94] var_1_6 = __VERIFIER_nondet_char() [L95] CALL assume_abort_if_not(var_1_6 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_6 >= 31) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=32, var_1_8=8] [L96] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=32, var_1_8=8] [L97] var_1_7 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L99] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L100] var_1_10 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L102] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L103] var_1_16 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L105] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L106] var_1_18 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L108] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L109] var_1_20 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L111] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L112] var_1_21 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L114] var_1_22 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L116] var_1_23 = __VERIFIER_nondet_double() [L117] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=101/2, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L118] var_1_24 = __VERIFIER_nondet_double() [L119] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=2, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=8] [L137] RET updateVariables() [L138] CALL step() [L50] COND TRUE (last_1_var_1_8 < last_1_var_1_13) || last_1_var_1_17 [L51] var_1_25 = (((((last_1_var_1_12) > (last_1_var_1_12)) ? (last_1_var_1_12) : (last_1_var_1_12))) + var_1_7) [L55] signed long int stepLocal_1 = last_1_var_1_13; [L56] COND TRUE last_1_var_1_13 == stepLocal_1 [L57] var_1_12 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) [L59] var_1_8 = (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12)) [L60] signed long int stepLocal_0 = -1000000; [L61] COND TRUE var_1_8 >= stepLocal_0 [L62] var_1_1 = ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) [L66] signed char stepLocal_3 = var_1_1; [L67] COND TRUE stepLocal_3 >= (var_1_5 - var_1_20) [L68] var_1_19 = (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24) [L70] COND FALSE !(((((((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) < (last_1_var_1_8)) ? (((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) : (last_1_var_1_8))) > (var_1_3 * last_1_var_1_25)) [L73] unsigned short int stepLocal_2 = var_1_25; [L74] COND FALSE !(\read(var_1_17)) [L81] var_1_13 = (var_1_16 - var_1_10) [L138] RET step() [L139] CALL, EXPR property() [L129] EXPR ((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) [L129] EXPR var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))) [L129] EXPR ((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) [L129-L130] return (((((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))))) && ((((((((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) < (last_1_var_1_8)) ? (((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) : (last_1_var_1_8))) > (var_1_3 * last_1_var_1_25)) ? (var_1_17 == ((unsigned char) var_1_18)) : 1)) && ((var_1_1 >= (var_1_5 - var_1_20)) ? (var_1_19 == ((double) (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24))) : 1)) && (((last_1_var_1_8 < last_1_var_1_13) || last_1_var_1_17) ? (var_1_25 == ((unsigned short int) (((((last_1_var_1_12) > (last_1_var_1_12)) ? (last_1_var_1_12) : (last_1_var_1_12))) + var_1_7))) : (var_1_25 == ((unsigned short int) var_1_7))) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=0, var_1_13=0, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=8, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=32798] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=32767, var_1_12=0, var_1_13=0, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=2, var_1_22=3, var_1_23=4, var_1_24=5, var_1_25=8, var_1_3=4, var_1_4=0, var_1_5=-1, var_1_6=31, var_1_7=0, var_1_8=32798] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 22, 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=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 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 05:23:13,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/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_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/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_30c12a70-6270-467a-9f1f-81da1759c36a/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 dd3e509a85a1a145df13b25b31acf4786a0b4df9db3cb7a4b510e8d9ede3e75f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:23:16,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:23:16,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:23:16,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:23:16,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:23:16,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:23:16,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:23:16,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:23:16,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:23:16,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:23:16,586 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:23:16,587 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:23:16,587 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:23:16,589 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:23:16,590 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:23:16,590 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:23:16,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:23:16,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:23:16,592 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:23:16,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:23:16,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:23:16,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:23:16,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:23:16,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:23:16,596 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:23:16,596 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:23:16,596 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:23:16,597 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:23:16,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:23:16,598 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:23:16,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:23:16,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:23:16,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:23:16,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:16,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:23:16,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:23:16,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:23:16,601 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:23:16,601 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:23:16,602 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:23:16,603 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:23:16,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:23:16,603 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_30c12a70-6270-467a-9f1f-81da1759c36a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd3e509a85a1a145df13b25b31acf4786a0b4df9db3cb7a4b510e8d9ede3e75f [2023-11-19 05:23:16,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:23:17,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:23:17,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:23:17,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:23:17,028 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:23:17,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i [2023-11-19 05:23:20,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:23:20,406 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:23:20,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i [2023-11-19 05:23:20,421 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/data/6e6cb72d4/38d69f0d33fd4a79987e006cd207d14d/FLAGbf04f10de [2023-11-19 05:23:20,447 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/data/6e6cb72d4/38d69f0d33fd4a79987e006cd207d14d [2023-11-19 05:23:20,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:23:20,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:23:20,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:20,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:23:20,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:23:20,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:20,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2840b633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20, skipping insertion in model container [2023-11-19 05:23:20,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:20,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:20,663 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_30c12a70-6270-467a-9f1f-81da1759c36a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i[913,926] [2023-11-19 05:23:20,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:20,758 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:23:20,786 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_30c12a70-6270-467a-9f1f-81da1759c36a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-21.i[913,926] [2023-11-19 05:23:20,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:20,880 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:23:20,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20 WrapperNode [2023-11-19 05:23:20,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:20,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:20,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:23:20,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:23:20,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:20,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:20,963 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2023-11-19 05:23:20,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:20,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:23:20,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:23:20,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:23:20,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:20,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:20,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:20,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:21,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:21,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:21,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:21,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:21,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:23:21,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:23:21,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:23:21,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:23:21,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (1/1) ... [2023-11-19 05:23:21,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:21,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:21,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:23:21,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:23:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:23:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:23:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:23:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:23:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:23:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:23:21,303 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:23:21,305 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:23:22,984 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:23:22,993 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:23:22,993 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:23:22,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:22 BoogieIcfgContainer [2023-11-19 05:23:22,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:23:22,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:23:23,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:23:23,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:23:23,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:23:20" (1/3) ... [2023-11-19 05:23:23,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3da022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:23, skipping insertion in model container [2023-11-19 05:23:23,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:20" (2/3) ... [2023-11-19 05:23:23,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3da022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:23, skipping insertion in model container [2023-11-19 05:23:23,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:22" (3/3) ... [2023-11-19 05:23:23,006 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-21.i [2023-11-19 05:23:23,025 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:23:23,025 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:23:23,076 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:23:23,083 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;@8005b4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:23:23,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:23:23,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 40 states have (on average 1.3) internal successors, (52), 41 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:23:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 05:23:23,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:23,105 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:23,106 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:23,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:23,112 INFO L85 PathProgramCache]: Analyzing trace with hash 78302029, now seen corresponding path program 1 times [2023-11-19 05:23:23,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:23:23,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805056718] [2023-11-19 05:23:23,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:23,128 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 05:23:23,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:23:23,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/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 05:23:23,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/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 05:23:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:23,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:23:23,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:23:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-19 05:23:23,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:23:23,623 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:23:23,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805056718] [2023-11-19 05:23:23,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805056718] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:23,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:23,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:23:23,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84514045] [2023-11-19 05:23:23,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:23,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:23:23,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:23:23,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:23:23,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:23:23,675 INFO L87 Difference]: Start difference. First operand has 65 states, 40 states have (on average 1.3) internal successors, (52), 41 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:23:23,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:23,706 INFO L93 Difference]: Finished difference Result 123 states and 208 transitions. [2023-11-19 05:23:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:23:23,708 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2023-11-19 05:23:23,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:23,716 INFO L225 Difference]: With dead ends: 123 [2023-11-19 05:23:23,716 INFO L226 Difference]: Without dead ends: 61 [2023-11-19 05:23:23,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 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 05:23:23,724 INFO L413 NwaCegarLoop]: 89 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, 89 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 05:23:23,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:23:23,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-19 05:23:23,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-19 05:23:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:23:23,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2023-11-19 05:23:23,773 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 142 [2023-11-19 05:23:23,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:23,774 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2023-11-19 05:23:23,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:23:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2023-11-19 05:23:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 05:23:23,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:23,779 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:23,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/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 05:23:23,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/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 05:23:23,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:23,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:23,989 INFO L85 PathProgramCache]: Analyzing trace with hash 18811909, now seen corresponding path program 1 times [2023-11-19 05:23:23,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:23:23,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23881005] [2023-11-19 05:23:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:23,990 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 05:23:23,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:23:23,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/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 05:23:24,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30c12a70-6270-467a-9f1f-81da1759c36a/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 05:23:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:25,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 05:23:25,321 INFO L285 TraceCheckSpWp]: Computing forward predicates...