./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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 f54764d92324579175129cff81b75b12b435de643e9d08601cad3992eb80719b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:34,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:35,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:59:35,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:35,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:35,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:35,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:35,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:35,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:35,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:35,097 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:35,097 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:35,098 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:35,100 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:59:35,100 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:35,101 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:35,101 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:59:35,102 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:59:35,102 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:35,103 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:59:35,103 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:59:35,104 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:59:35,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:35,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:35,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:59:35,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:59:35,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:59:35,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:35,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:35,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:35,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:35,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:59:35,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:35,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:35,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:35,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:35,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:35,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:35,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:35,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:35,113 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:59:35,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:59:35,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:35,114 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:35,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:35,115 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_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f54764d92324579175129cff81b75b12b435de643e9d08601cad3992eb80719b [2023-11-19 04:59:35,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:35,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:35,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:35,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:35,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:35,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i [2023-11-19 04:59:38,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:38,847 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:38,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i [2023-11-19 04:59:38,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/data/93fdf31fb/e53bd89e14f24a1cbf49c851bd2eda15/FLAGf6a03a819 [2023-11-19 04:59:38,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/data/93fdf31fb/e53bd89e14f24a1cbf49c851bd2eda15 [2023-11-19 04:59:38,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:38,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:38,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:38,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:38,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:38,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:38" (1/1) ... [2023-11-19 04:59:38,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7438e8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:38, skipping insertion in model container [2023-11-19 04:59:38,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:38" (1/1) ... [2023-11-19 04:59:38,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:39,093 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_d61869fe-92ec-4fd3-9097-d3f133a06fd8/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i[917,930] [2023-11-19 04:59:39,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:39,164 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:39,175 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_d61869fe-92ec-4fd3-9097-d3f133a06fd8/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i[917,930] [2023-11-19 04:59:39,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:39,226 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:39,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39 WrapperNode [2023-11-19 04:59:39,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:39,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:39,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:39,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:39,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (1/1) ... [2023-11-19 04:59:39,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (1/1) ... [2023-11-19 04:59:39,290 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2023-11-19 04:59:39,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:39,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:39,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:39,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:39,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (1/1) ... [2023-11-19 04:59:39,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (1/1) ... [2023-11-19 04:59:39,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (1/1) ... [2023-11-19 04:59:39,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (1/1) ... [2023-11-19 04:59:39,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (1/1) ... [2023-11-19 04:59:39,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (1/1) ... [2023-11-19 04:59:39,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (1/1) ... [2023-11-19 04:59:39,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (1/1) ... [2023-11-19 04:59:39,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:39,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:39,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:39,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:39,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (1/1) ... [2023-11-19 04:59:39,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:39,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:39,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:39,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:59:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:59:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:59:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:39,581 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:39,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:40,129 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:40,521 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:40,522 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:59:40,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:40 BoogieIcfgContainer [2023-11-19 04:59:40,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:40,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:40,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:40,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:40,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:38" (1/3) ... [2023-11-19 04:59:40,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe85e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:40, skipping insertion in model container [2023-11-19 04:59:40,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:39" (2/3) ... [2023-11-19 04:59:40,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe85e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:40, skipping insertion in model container [2023-11-19 04:59:40,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:40" (3/3) ... [2023-11-19 04:59:40,541 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-67.i [2023-11-19 04:59:40,562 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:40,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:59:40,633 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:59:40,642 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;@236b829e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:59:40,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:59:40,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:59:40,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 04:59:40,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:40,662 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:40,663 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:59:40,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:40,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1182118980, now seen corresponding path program 1 times [2023-11-19 04:59:40,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:40,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797626800] [2023-11-19 04:59:40,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:40,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:40,908 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:40,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1201177546] [2023-11-19 04:59:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:40,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:40,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:40,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:40,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:59:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:59:41,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:59:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:59:41,534 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:59:41,537 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:59:41,539 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:59:41,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:41,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:59:41,748 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:59:41,753 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:59:41,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:59:41 BoogieIcfgContainer [2023-11-19 04:59:41,901 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:59:41,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:59:41,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:59:41,902 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:59:41,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:40" (3/4) ... [2023-11-19 04:59:41,904 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:59:41,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:59:41,906 INFO L158 Benchmark]: Toolchain (without parser) took 3012.61ms. Allocated memory is still 174.1MB. Free memory was 135.2MB in the beginning and 65.6MB in the end (delta: 69.7MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2023-11-19 04:59:41,907 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:41,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.01ms. Allocated memory is still 174.1MB. Free memory was 134.7MB in the beginning and 121.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:59:41,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.92ms. Allocated memory is still 174.1MB. Free memory was 121.1MB in the beginning and 117.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:59:41,909 INFO L158 Benchmark]: Boogie Preprocessor took 77.19ms. Allocated memory is still 174.1MB. Free memory was 117.9MB in the beginning and 115.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:41,909 INFO L158 Benchmark]: RCFGBuilder took 1158.93ms. Allocated memory is still 174.1MB. Free memory was 115.8MB in the beginning and 114.8MB in the end (delta: 1.0MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-11-19 04:59:41,910 INFO L158 Benchmark]: TraceAbstraction took 1369.71ms. Allocated memory is still 174.1MB. Free memory was 114.8MB in the beginning and 65.6MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-19 04:59:41,911 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 174.1MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:41,914 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 132.1MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.01ms. Allocated memory is still 174.1MB. Free memory was 134.7MB in the beginning and 121.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.92ms. Allocated memory is still 174.1MB. Free memory was 121.1MB in the beginning and 117.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.19ms. Allocated memory is still 174.1MB. Free memory was 117.9MB in the beginning and 115.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1158.93ms. Allocated memory is still 174.1MB. Free memory was 115.8MB in the beginning and 114.8MB in the end (delta: 1.0MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1369.71ms. Allocated memory is still 174.1MB. Free memory was 114.8MB in the beginning and 65.6MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 174.1MB. Free memory is still 65.6MB. 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 61, overapproximation of bitwiseOr at line 62, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 57, overapproximation of someUnaryFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9.75; [L23] signed long int var_1_2 = 100; [L24] unsigned char var_1_3 = 1; [L25] signed long int var_1_4 = 25; [L26] signed long int var_1_5 = 10; [L27] unsigned char var_1_6 = 1; [L28] float var_1_7 = 7.5; [L29] signed long int var_1_8 = -1000; [L30] float var_1_9 = 9.25; [L31] float var_1_10 = 64.5; [L32] float var_1_11 = 16.25; [L33] signed char var_1_12 = 2; [L34] signed char var_1_13 = 8; [L35] signed char var_1_14 = 0; [L36] float var_1_15 = 0.6; [L37] signed char var_1_16 = 32; [L38] unsigned short int var_1_17 = 2; [L39] unsigned char var_1_18 = 1; [L40] unsigned short int var_1_19 = 63241; [L41] unsigned short int var_1_20 = 58697; [L42] unsigned short int var_1_21 = 25516; [L43] unsigned long int var_1_22 = 3301682525; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L92] var_1_2 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L94] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L95] var_1_4 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L98] var_1_5 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L100] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L101] var_1_6 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L103] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L104] var_1_8 = __VERIFIER_nondet_long() [L105] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=37/4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=37/4] [L106] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=37/4] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=37/4] [L107] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=37/4] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=37/4] [L108] var_1_9 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L110] var_1_10 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L112] var_1_11 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L114] var_1_13 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L116] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L117] var_1_14 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L119] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L120] var_1_18 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L122] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L123] var_1_19 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_19 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_19 >= 32767) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L125] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L126] var_1_20 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L128] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=25516, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L129] var_1_21 = __VERIFIER_nondet_ushort() [L130] CALL assume_abort_if_not(var_1_21 >= 24575) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_21 >= 24575) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L131] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=3301682525, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L132] var_1_22 = __VERIFIER_nondet_ulong() [L133] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=2147483647, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=2147483647, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L134] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=2147483647, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=65533, var_1_1=39/4, var_1_20=65534, var_1_21=24575, var_1_22=2147483647, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=15/2, var_1_8=2, var_1_9=2] [L147] RET updateVariables() [L148] CALL step() [L47] COND TRUE 50 != var_1_2 [L48] var_1_1 = (1.00000000000025E12 - 24.25) [L50] var_1_3 = (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6) [L51] signed long int stepLocal_1 = (var_1_2 + 100) / var_1_8; [L52] unsigned char stepLocal_0 = var_1_3; [L53] COND TRUE stepLocal_1 >= var_1_5 [L54] COND TRUE stepLocal_0 || (var_1_5 > (var_1_4 * var_1_8)) [L55] var_1_7 = var_1_9 [L60] var_1_12 = (var_1_13 - var_1_14) [L61] var_1_15 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) [L62] EXPR ((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2 [L62] signed long int stepLocal_2 = ((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2; [L63] COND TRUE var_1_1 > (var_1_11 + var_1_7) [L64] COND FALSE !(var_1_14 < stepLocal_2) [L69] var_1_16 = var_1_13 [L72] unsigned long int stepLocal_3 = var_1_22 - var_1_20; [L73] COND TRUE \read(var_1_3) [L74] COND TRUE \read(var_1_6) [L75] COND FALSE !(\read(var_1_18)) [L78] var_1_17 = (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256)) [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR ((((((50 != var_1_2) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6)))) && ((((var_1_2 + 100) / var_1_8) >= var_1_5) ? ((var_1_3 || (var_1_5 > (var_1_4 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((var_1_1 > (var_1_11 + var_1_7)) ? ((var_1_14 < (((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2)) ? (var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1) [L139-L140] return (((((((50 != var_1_2) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6)))) && ((((var_1_2 + 100) / var_1_8) >= var_1_5) ? ((var_1_3 || (var_1_5 > (var_1_4 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((var_1_1 > (var_1_11 + var_1_7)) ? ((var_1_14 < (((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2)) ? (var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1)) && (var_1_3 ? (var_1_6 ? (var_1_18 ? (var_1_17 == ((unsigned short int) var_1_14)) : (var_1_17 == ((unsigned short int) (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256))))) : (((var_1_22 - var_1_20) > (var_1_4 / var_1_8)) ? ((var_1_15 >= var_1_10) ? (var_1_17 == ((unsigned short int) var_1_14)) : 1) : 1)) : (var_1_17 == ((unsigned short int) var_1_21))) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=5, var_1_16=32, var_1_17=41470, var_1_18=0, var_1_19=65533, var_1_1=0, var_1_20=65534, var_1_21=24575, var_1_22=2147483647, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=0, var_1_15=5, var_1_16=32, var_1_17=41470, var_1_18=0, var_1_19=65533, var_1_1=0, var_1_20=65534, var_1_21=24575, var_1_22=2147483647, var_1_2=-101, var_1_3=1, var_1_4=5, var_1_5=-2147483648, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 28, 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 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 04:59:41,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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 f54764d92324579175129cff81b75b12b435de643e9d08601cad3992eb80719b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:44,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:44,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:59:44,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:44,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:44,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:44,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:44,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:44,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:44,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:44,881 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:44,882 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:44,882 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:44,884 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:44,884 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:44,885 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:44,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:44,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:44,887 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:59:44,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:59:44,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:44,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:44,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:44,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:44,891 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:59:44,891 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:59:44,892 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:59:44,892 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:59:44,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:44,893 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:44,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:44,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:59:44,895 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:44,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:44,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:44,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:44,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:44,897 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:59:44,897 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:59:44,898 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:44,898 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:44,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:44,899 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_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f54764d92324579175129cff81b75b12b435de643e9d08601cad3992eb80719b [2023-11-19 04:59:45,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:45,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:45,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:45,358 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:45,359 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:45,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i [2023-11-19 04:59:48,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:48,932 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:48,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i [2023-11-19 04:59:48,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/data/6377081cd/4b5b22ca701c47dca7b6c86fd891b4cc/FLAG4de3b8e9d [2023-11-19 04:59:48,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/data/6377081cd/4b5b22ca701c47dca7b6c86fd891b4cc [2023-11-19 04:59:48,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:48,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:48,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:48,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:48,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:48,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:48" (1/1) ... [2023-11-19 04:59:48,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7b9f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:48, skipping insertion in model container [2023-11-19 04:59:48,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:48" (1/1) ... [2023-11-19 04:59:49,023 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:49,182 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_d61869fe-92ec-4fd3-9097-d3f133a06fd8/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i[917,930] [2023-11-19 04:59:49,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:49,324 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:49,351 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_d61869fe-92ec-4fd3-9097-d3f133a06fd8/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-67.i[917,930] [2023-11-19 04:59:49,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:49,443 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:49,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49 WrapperNode [2023-11-19 04:59:49,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:49,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:49,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:49,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:49,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (1/1) ... [2023-11-19 04:59:49,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (1/1) ... [2023-11-19 04:59:49,603 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-19 04:59:49,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:49,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:49,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:49,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:49,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (1/1) ... [2023-11-19 04:59:49,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (1/1) ... [2023-11-19 04:59:49,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (1/1) ... [2023-11-19 04:59:49,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (1/1) ... [2023-11-19 04:59:49,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (1/1) ... [2023-11-19 04:59:49,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (1/1) ... [2023-11-19 04:59:49,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (1/1) ... [2023-11-19 04:59:49,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (1/1) ... [2023-11-19 04:59:49,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:49,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:49,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:49,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:49,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (1/1) ... [2023-11-19 04:59:49,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:49,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:49,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:49,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:59:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:59:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:59:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:49,940 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:49,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:52,268 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:52,297 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:52,297 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:59:52,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:52 BoogieIcfgContainer [2023-11-19 04:59:52,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:52,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:52,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:52,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:52,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:48" (1/3) ... [2023-11-19 04:59:52,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cabaea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:52, skipping insertion in model container [2023-11-19 04:59:52,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:49" (2/3) ... [2023-11-19 04:59:52,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cabaea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:52, skipping insertion in model container [2023-11-19 04:59:52,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:52" (3/3) ... [2023-11-19 04:59:52,317 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-67.i [2023-11-19 04:59:52,334 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:52,335 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:59:52,387 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:59:52,394 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;@2b1b0890, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:59:52,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:59:52,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:59:52,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-19 04:59:52,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:52,420 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:52,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:59:52,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:52,428 INFO L85 PathProgramCache]: Analyzing trace with hash -529577341, now seen corresponding path program 1 times [2023-11-19 04:59:52,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:59:52,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718990217] [2023-11-19 04:59:52,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:52,445 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 04:59:52,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:59:52,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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 04:59:52,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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 04:59:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:52,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:59:52,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2023-11-19 04:59:52,926 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:52,927 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:59:52,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718990217] [2023-11-19 04:59:52,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718990217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:52,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:52,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:59:52,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543151495] [2023-11-19 04:59:52,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:52,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:59:52,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:59:53,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:59:53,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:59:53,003 INFO L87 Difference]: Start difference. First operand has 76 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 04:59:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:53,043 INFO L93 Difference]: Finished difference Result 145 states and 256 transitions. [2023-11-19 04:59:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:59:53,046 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 171 [2023-11-19 04:59:53,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:53,055 INFO L225 Difference]: With dead ends: 145 [2023-11-19 04:59:53,056 INFO L226 Difference]: Without dead ends: 72 [2023-11-19 04:59:53,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 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 04:59:53,065 INFO L413 NwaCegarLoop]: 110 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, 110 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 04:59:53,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:59:53,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-19 04:59:53,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-19 04:59:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:59:53,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 110 transitions. [2023-11-19 04:59:53,129 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 110 transitions. Word has length 171 [2023-11-19 04:59:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:53,130 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 110 transitions. [2023-11-19 04:59:53,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 04:59:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2023-11-19 04:59:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-19 04:59:53,137 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:53,137 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:53,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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 04:59:53,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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 04:59:53,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:59:53,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:53,350 INFO L85 PathProgramCache]: Analyzing trace with hash 841672955, now seen corresponding path program 1 times [2023-11-19 04:59:53,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:59:53,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834302684] [2023-11-19 04:59:53,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:53,352 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 04:59:53,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:59:53,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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 04:59:53,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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 04:59:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:53,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:59:53,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:54,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 543 proven. 63 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-19 04:59:54,842 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:59:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 04:59:55,567 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:59:55,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1834302684] [2023-11-19 04:59:55,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1834302684] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:59:55,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [267439898] [2023-11-19 04:59:55,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:55,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:59:55,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:59:55,580 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:59:55,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:59:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:56,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:59:56,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 543 proven. 63 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-19 04:59:57,618 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:59:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 04:59:58,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [267439898] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:59:58,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635935607] [2023-11-19 04:59:58,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:58,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:58,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:58,136 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:58,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 04:59:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:58,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:59:58,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:00:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 566 proven. 120 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2023-11-19 05:00:00,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:00:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:00:00,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635935607] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:00:00,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:00:00,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 9, 6] total 12 [2023-11-19 05:00:00,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242889330] [2023-11-19 05:00:00,831 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:00:00,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 05:00:00,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:00:00,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 05:00:00,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:00:00,844 INFO L87 Difference]: Start difference. First operand 72 states and 110 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-11-19 05:00:03,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:00:03,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:03,521 INFO L93 Difference]: Finished difference Result 149 states and 221 transitions. [2023-11-19 05:00:03,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 05:00:03,550 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) Word has length 171 [2023-11-19 05:00:03,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:03,554 INFO L225 Difference]: With dead ends: 149 [2023-11-19 05:00:03,555 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 05:00:03,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1031 GetRequests, 1009 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2023-11-19 05:00:03,559 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 85 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:03,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 190 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-19 05:00:03,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 05:00:03,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2023-11-19 05:00:03,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 05:00:03,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2023-11-19 05:00:03,603 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 171 [2023-11-19 05:00:03,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:03,605 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2023-11-19 05:00:03,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-11-19 05:00:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2023-11-19 05:00:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 05:00:03,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:03,612 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:00:03,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:00:03,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:00:04,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-19 05:00:04,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:00:04,231 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:04,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:04,232 INFO L85 PathProgramCache]: Analyzing trace with hash -27387547, now seen corresponding path program 1 times [2023-11-19 05:00:04,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:00:04,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285645007] [2023-11-19 05:00:04,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:04,233 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:00:04,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:00:04,235 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:00:04,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d61869fe-92ec-4fd3-9097-d3f133a06fd8/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 (6)] Waiting until timeout for monitored process [2023-11-19 05:00:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:05,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 05:00:05,722 INFO L285 TraceCheckSpWp]: Computing forward predicates...