./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.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_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/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_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/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_c7b015df-faec-45c1-b497-8d8b9510b979/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 3030444f88f9a17418da1dc67b4b4ded6b77914f13db39467d146bf41ea08d3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:29,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:29,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:58:29,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:29,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:29,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:29,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:29,481 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:29,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:29,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:29,488 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:29,489 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:29,489 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:29,491 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:58:29,492 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:29,492 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:29,499 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:58:29,500 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:58:29,501 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:29,501 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:58:29,502 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:58:29,502 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:58:29,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:29,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:29,504 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:29,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:58:29,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:29,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:29,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:29,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:29,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:29,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:29,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:29,508 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:29,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:29,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:29,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:29,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:29,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:29,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:29,511 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:58:29,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:58:29,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:29,511 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:29,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:29,512 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_c7b015df-faec-45c1-b497-8d8b9510b979/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3030444f88f9a17418da1dc67b4b4ded6b77914f13db39467d146bf41ea08d3d [2023-11-19 04:58:29,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:29,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:29,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:29,833 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:29,834 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:29,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-19 04:58:32,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:33,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:33,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-19 04:58:33,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/data/056fe70b3/12ddcd598bba4d7982fec25034e63696/FLAG86609de79 [2023-11-19 04:58:33,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/data/056fe70b3/12ddcd598bba4d7982fec25034e63696 [2023-11-19 04:58:33,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:33,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:33,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:33,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:33,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:33,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68627bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33, skipping insertion in model container [2023-11-19 04:58:33,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:33,445 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_c7b015df-faec-45c1-b497-8d8b9510b979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i[918,931] [2023-11-19 04:58:33,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:33,546 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:58:33,559 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_c7b015df-faec-45c1-b497-8d8b9510b979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i[918,931] [2023-11-19 04:58:33,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:33,617 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:58:33,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33 WrapperNode [2023-11-19 04:58:33,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:33,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:33,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:58:33,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:58:33,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,710 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-19 04:58:33,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:33,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:58:33,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:58:33,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:58:33,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:58:33,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:58:33,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:58:33,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:58:33,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (1/1) ... [2023-11-19 04:58:33,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:33,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:33,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:58:33,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:58:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:58:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:58:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:58:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:58:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:58:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:58:34,010 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:58:34,013 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:58:34,620 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:58:35,009 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:58:35,010 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:58:35,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:35 BoogieIcfgContainer [2023-11-19 04:58:35,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:58:35,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:58:35,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:58:35,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:58:35,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:58:33" (1/3) ... [2023-11-19 04:58:35,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f36e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:35, skipping insertion in model container [2023-11-19 04:58:35,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:33" (2/3) ... [2023-11-19 04:58:35,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f36e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:35, skipping insertion in model container [2023-11-19 04:58:35,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:35" (3/3) ... [2023-11-19 04:58:35,032 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-19 04:58:35,053 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:58:35,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:58:35,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:58:35,148 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;@33028658, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:58:35,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:58:35,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:58:35,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:58:35,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:35,169 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:35,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:35,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash 934201432, now seen corresponding path program 1 times [2023-11-19 04:58:35,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:35,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401974552] [2023-11-19 04:58:35,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:35,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:35,433 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:58:35,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [837742349] [2023-11-19 04:58:35,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:35,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:35,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:35,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:58:35,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:58:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:58:35,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:58:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:58:36,230 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:58:36,233 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:58:36,235 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:58:36,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:36,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:58:36,450 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:58:36,454 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:58:36,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:58:36 BoogieIcfgContainer [2023-11-19 04:58:36,572 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:58:36,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:58:36,573 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:58:36,573 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:58:36,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:35" (3/4) ... [2023-11-19 04:58:36,576 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:58:36,577 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:58:36,579 INFO L158 Benchmark]: Toolchain (without parser) took 3393.78ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 69.6MB in the beginning and 70.1MB in the end (delta: -500.4kB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2023-11-19 04:58:36,579 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:36,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.81ms. Allocated memory is still 111.1MB. Free memory was 69.2MB in the beginning and 53.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:58:36,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.24ms. Allocated memory is still 111.1MB. Free memory was 53.8MB in the beginning and 48.3MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:58:36,581 INFO L158 Benchmark]: Boogie Preprocessor took 59.23ms. Allocated memory is still 111.1MB. Free memory was 48.3MB in the beginning and 45.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:58:36,582 INFO L158 Benchmark]: RCFGBuilder took 1218.01ms. Allocated memory is still 111.1MB. Free memory was 83.2MB in the beginning and 45.8MB in the end (delta: 37.3MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-11-19 04:58:36,583 INFO L158 Benchmark]: TraceAbstraction took 1549.95ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 44.8MB in the beginning and 70.1MB in the end (delta: -25.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-19 04:58:36,583 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 144.7MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:36,587 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.81ms. Allocated memory is still 111.1MB. Free memory was 69.2MB in the beginning and 53.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.24ms. Allocated memory is still 111.1MB. Free memory was 53.8MB in the beginning and 48.3MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.23ms. Allocated memory is still 111.1MB. Free memory was 48.3MB in the beginning and 45.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1218.01ms. Allocated memory is still 111.1MB. Free memory was 83.2MB in the beginning and 45.8MB in the end (delta: 37.3MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1549.95ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 44.8MB in the beginning and 70.1MB in the end (delta: -25.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 144.7MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of bitwiseOr at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryArithmeticFLOAToperation at line 53, overapproximation of someUnaryFLOAToperation at line 109. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 999999999.675; [L23] signed long int var_1_4 = -5; [L24] float var_1_5 = 7.875; [L25] float var_1_6 = 99.04; [L26] signed long int var_1_7 = -2; [L27] unsigned long int var_1_9 = 1; [L28] double var_1_10 = 63.25; [L29] unsigned char var_1_11 = 0; [L30] unsigned short int var_1_13 = 0; [L31] unsigned short int var_1_15 = 17766; [L32] unsigned short int var_1_16 = 28149; [L33] unsigned char var_1_19 = 4; [L34] unsigned char var_1_20 = 50; [L35] unsigned char var_1_21 = 64; [L36] unsigned char var_1_22 = 50; [L37] unsigned char var_1_23 = 5; [L38] unsigned char var_1_24 = 128; [L39] signed long int var_1_25 = -16; [L40] unsigned char var_1_26 = 0; [L41] signed short int var_1_27 = -4; [L42] unsigned short int var_1_33 = 2; [L43] signed long int var_1_36 = -1; [L44] float var_1_38 = 256.7; [L45] unsigned long int var_1_40 = 10; [L46] double var_1_42 = 100.5; [L47] signed char var_1_45 = 8; [L48] unsigned short int last_1_var_1_13 = 0; [L182] isInitial = 1 [L183] FCALL initially() [L184] COND TRUE 1 [L185] CALL updateLastVariables() [L175] last_1_var_1_13 = var_1_13 [L185] RET updateLastVariables() [L186] CALL updateVariables() [L138] var_1_4 = __VERIFIER_nondet_long() [L139] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L142] var_1_5 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L144] var_1_6 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L146] var_1_10 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L148] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L149] var_1_11 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L151] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L152] var_1_15 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L154] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L155] var_1_16 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L157] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L158] var_1_20 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_20 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_20 >= 32) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L160] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L161] var_1_21 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_21 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_21 >= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L164] var_1_22 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_22 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_22 <= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L167] var_1_23 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L170] var_1_24 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_24 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=157, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_24 >= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=157, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L172] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=157, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=157, var_1_25=-16, var_1_26=0, var_1_27=-4, var_1_33=2, var_1_36=-1, var_1_38=2567/10, var_1_40=10, var_1_42=201/2, var_1_45=8, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L186] RET updateVariables() [L187] CALL step() [L52] COND TRUE last_1_var_1_13 == (last_1_var_1_13 % var_1_4) [L53] var_1_1 = (var_1_5 - var_1_6) [L55] COND TRUE \read(var_1_11) [L56] var_1_33 = ((((var_1_26) > (var_1_23)) ? (var_1_26) : (var_1_23))) [L58] COND TRUE var_1_10 == var_1_1 [L59] COND TRUE \read(var_1_11) [L60] var_1_19 = (((32 + var_1_20) + var_1_21) - (var_1_22 + var_1_23)) [L67] COND TRUE var_1_21 != (var_1_22 + var_1_19) [L68] COND TRUE \read(var_1_11) [L69] var_1_27 = ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))) [L74] COND FALSE !(var_1_19 < (var_1_21 / var_1_20)) [L81] COND FALSE !(16 < var_1_22) [L88] COND TRUE var_1_1 >= var_1_6 [L89] var_1_7 = var_1_19 [L91] COND FALSE !(var_1_20 <= var_1_13) [L98] COND FALSE !(((var_1_6 * var_1_5) / var_1_10) > var_1_1) [L105] COND TRUE var_1_26 < ((((((((var_1_22) > (var_1_26)) ? (var_1_22) : (var_1_26)))) > (var_1_22)) ? (((((var_1_22) > (var_1_26)) ? (var_1_22) : (var_1_26)))) : (var_1_22))) [L106] var_1_42 = var_1_6 [L116] COND FALSE !(var_1_7 < var_1_9) [L119] var_1_38 = var_1_5 [L120] COND TRUE (var_1_22 % var_1_15) < var_1_20 [L121] var_1_45 = ((var_1_23 - var_1_23) + var_1_20) [L125] COND FALSE !((25.3 * var_1_5) != var_1_1) [L134] var_1_25 = var_1_20 [L187] RET step() [L188] CALL, EXPR property() [L178-L179] return (((((((last_1_var_1_13 == (last_1_var_1_13 % var_1_4)) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : 1) && ((var_1_1 >= var_1_6) ? (var_1_7 == ((signed long int) var_1_19)) : 1)) && ((((var_1_6 * var_1_5) / var_1_10) > var_1_1) ? (var_1_11 ? (var_1_9 == ((unsigned long int) var_1_26)) : (var_1_9 == ((unsigned long int) var_1_26))) : 1)) && ((var_1_7 < var_1_9) ? (var_1_13 == ((unsigned short int) (var_1_26 + (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - (var_1_19 + var_1_19))))) : 1)) && ((var_1_10 == var_1_1) ? (var_1_11 ? (var_1_19 == ((unsigned char) (((32 + var_1_20) + var_1_21) - (var_1_22 + var_1_23)))) : (var_1_19 == ((unsigned char) (var_1_24 - var_1_23)))) : (var_1_19 == ((unsigned char) var_1_24)))) && (((25.3 * var_1_5) != var_1_1) ? (var_1_11 ? ((var_1_15 <= var_1_13) ? (var_1_25 == ((signed long int) var_1_26)) : 1) : (var_1_25 == ((signed long int) var_1_22))) : (var_1_25 == ((signed long int) var_1_20)))) && ((var_1_19 < (var_1_21 / var_1_20)) ? ((var_1_19 > var_1_19) ? (var_1_26 == ((unsigned char) ((((((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) > (var_1_23)) ? (((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) : (var_1_23))))) : (var_1_26 == ((unsigned char) var_1_22))) : 1) ; [L188] RET, EXPR property() [L188] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=158, var_1_1=0, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=157, var_1_25=63, var_1_26=0, var_1_27=157, var_1_33=0, var_1_36=-1, var_1_38=2, var_1_40=10, var_1_42=3, var_1_45=63, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=158, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=158, var_1_1=0, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=157, var_1_25=63, var_1_26=0, var_1_27=157, var_1_33=0, var_1_36=-1, var_1_38=2, var_1_40=10, var_1_42=3, var_1_45=63, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=158, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 23, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 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 04:58:36,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/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_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/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_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/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_c7b015df-faec-45c1-b497-8d8b9510b979/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 3030444f88f9a17418da1dc67b4b4ded6b77914f13db39467d146bf41ea08d3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:39,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:39,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:58:39,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:39,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:39,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:39,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:39,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:39,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:39,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:39,645 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:39,646 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:39,646 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:39,648 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:39,649 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:39,649 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:39,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:39,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:39,651 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:39,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:39,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:39,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:39,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:39,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:39,655 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:58:39,655 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:58:39,655 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:58:39,656 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:39,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:39,657 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:39,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:39,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:58:39,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:39,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:39,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:39,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:39,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:39,660 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:58:39,661 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:39,662 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:39,662 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:39,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:39,663 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_c7b015df-faec-45c1-b497-8d8b9510b979/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3030444f88f9a17418da1dc67b4b4ded6b77914f13db39467d146bf41ea08d3d [2023-11-19 04:58:40,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:40,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:40,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:40,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:40,085 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:40,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-19 04:58:43,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:43,453 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:43,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-19 04:58:43,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/data/1e515439b/e04dc532af53431aa4935fbee94e1198/FLAGc4816d74f [2023-11-19 04:58:43,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/data/1e515439b/e04dc532af53431aa4935fbee94e1198 [2023-11-19 04:58:43,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:43,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:43,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:43,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:43,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:43,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:43" (1/1) ... [2023-11-19 04:58:43,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe46ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:43, skipping insertion in model container [2023-11-19 04:58:43,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:43" (1/1) ... [2023-11-19 04:58:43,572 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:43,781 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_c7b015df-faec-45c1-b497-8d8b9510b979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i[918,931] [2023-11-19 04:58:43,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:43,926 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:58:43,946 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_c7b015df-faec-45c1-b497-8d8b9510b979/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i[918,931] [2023-11-19 04:58:44,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:44,052 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:58:44,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44 WrapperNode [2023-11-19 04:58:44,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:44,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:44,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:58:44,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:58:44,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (1/1) ... [2023-11-19 04:58:44,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (1/1) ... [2023-11-19 04:58:44,182 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-11-19 04:58:44,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:44,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:58:44,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:58:44,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:58:44,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (1/1) ... [2023-11-19 04:58:44,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (1/1) ... [2023-11-19 04:58:44,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (1/1) ... [2023-11-19 04:58:44,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (1/1) ... [2023-11-19 04:58:44,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (1/1) ... [2023-11-19 04:58:44,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (1/1) ... [2023-11-19 04:58:44,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (1/1) ... [2023-11-19 04:58:44,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (1/1) ... [2023-11-19 04:58:44,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:58:44,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:58:44,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:58:44,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:58:44,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (1/1) ... [2023-11-19 04:58:44,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:44,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:44,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:58:44,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:58:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:58:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:58:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:58:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:58:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:58:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:58:44,518 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:58:44,520 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:58:57,035 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:58:57,046 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:58:57,047 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:58:57,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:57 BoogieIcfgContainer [2023-11-19 04:58:57,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:58:57,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:58:57,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:58:57,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:58:57,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:58:43" (1/3) ... [2023-11-19 04:58:57,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73dfc494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:57, skipping insertion in model container [2023-11-19 04:58:57,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:44" (2/3) ... [2023-11-19 04:58:57,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73dfc494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:57, skipping insertion in model container [2023-11-19 04:58:57,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:57" (3/3) ... [2023-11-19 04:58:57,064 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-8.i [2023-11-19 04:58:57,085 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:58:57,085 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:58:57,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:58:57,165 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;@26b59448, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:58:57,165 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:58:57,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:58:57,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 04:58:57,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:57,201 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:57,202 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:57,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:57,208 INFO L85 PathProgramCache]: Analyzing trace with hash -630852230, now seen corresponding path program 1 times [2023-11-19 04:58:57,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:57,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744285526] [2023-11-19 04:58:57,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:57,221 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 04:58:57,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:57,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/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 04:58:57,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/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 04:58:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:58,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:58:58,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2023-11-19 04:58:58,627 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:58:58,627 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:58:58,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744285526] [2023-11-19 04:58:58,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744285526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:58,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:58:58,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:58:58,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844845097] [2023-11-19 04:58:58,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:58,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:58:58,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:58:58,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:58:58,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:58:58,679 INFO L87 Difference]: Start difference. First operand has 80 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 04:58:58,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:58,717 INFO L93 Difference]: Finished difference Result 153 states and 277 transitions. [2023-11-19 04:58:58,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:58:58,719 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2023-11-19 04:58:58,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:58,728 INFO L225 Difference]: With dead ends: 153 [2023-11-19 04:58:58,728 INFO L226 Difference]: Without dead ends: 76 [2023-11-19 04:58:58,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 04:58:58,737 INFO L413 NwaCegarLoop]: 122 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, 122 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 04:58:58,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:58:58,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-19 04:58:58,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-19 04:58:58,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 51 states have internal predecessors, (76), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:58:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 122 transitions. [2023-11-19 04:58:58,806 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 122 transitions. Word has length 150 [2023-11-19 04:58:58,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:58,807 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 122 transitions. [2023-11-19 04:58:58,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 04:58:58,808 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 122 transitions. [2023-11-19 04:58:58,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 04:58:58,812 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:58,813 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:58,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/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 04:58:59,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/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 04:58:59,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:59,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:59,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1124914048, now seen corresponding path program 1 times [2023-11-19 04:58:59,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:59,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991552426] [2023-11-19 04:58:59,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:59,018 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 04:58:59,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:59,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/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 04:58:59,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/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 04:59:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:00,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:59:00,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:13,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 534 proven. 36 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-11-19 04:59:13,474 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:59:15,665 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:59:15,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991552426] [2023-11-19 04:59:15,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991552426] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:59:15,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1695492843] [2023-11-19 04:59:15,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:15,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:59:15,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:59:15,671 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:59:15,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:59:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:17,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:59:17,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 04:59:24,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:59:27,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1695492843] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:59:27,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683184399] [2023-11-19 04:59:27,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:27,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:27,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:27,091 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:27,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b015df-faec-45c1-b497-8d8b9510b979/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 04:59:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:28,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:59:28,546 INFO L285 TraceCheckSpWp]: Computing forward predicates...