./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX --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 c51934b75642007b7e5ba630000c4f6d9fea2369763db606575965ad8705e431 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:12:25,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:12:25,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:12:25,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:12:25,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:12:25,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:12:25,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:12:25,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:12:25,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:12:25,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:12:25,681 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:12:25,682 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:12:25,682 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:12:25,683 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:12:25,684 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:12:25,684 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:12:25,685 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:12:25,686 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:12:25,687 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:12:25,687 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:12:25,688 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:12:25,689 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:12:25,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:12:25,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:12:25,691 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:12:25,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:12:25,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:12:25,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:12:25,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:12:25,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:12:25,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:12:25,695 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:12:25,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:12:25,696 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:12:25,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:12:25,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:12:25,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:25,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:12:25,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:12:25,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:12:25,700 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:12:25,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:12:25,700 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:12:25,701 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:12:25,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:12:25,701 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_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c51934b75642007b7e5ba630000c4f6d9fea2369763db606575965ad8705e431 [2023-11-12 00:12:25,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:12:26,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:12:26,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:12:26,005 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:12:26,006 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:12:26,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-80.i [2023-11-12 00:12:29,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:12:29,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:12:29,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-80.i [2023-11-12 00:12:29,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/data/1a07c7ebb/9525e7aebb994091a41c5f43bcf97609/FLAG6a0df848d [2023-11-12 00:12:29,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/data/1a07c7ebb/9525e7aebb994091a41c5f43bcf97609 [2023-11-12 00:12:29,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:12:29,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:12:29,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:29,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:12:29,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:12:29,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:29" (1/1) ... [2023-11-12 00:12:29,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f7985e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:29, skipping insertion in model container [2023-11-12 00:12:29,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:29" (1/1) ... [2023-11-12 00:12:29,966 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:12:30,151 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_ab45a849-3e99-45bd-acb1-7e19656ae63d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-80.i[917,930] [2023-11-12 00:12:30,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:30,251 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:12:30,269 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_ab45a849-3e99-45bd-acb1-7e19656ae63d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-80.i[917,930] [2023-11-12 00:12:30,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:30,336 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:12:30,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30 WrapperNode [2023-11-12 00:12:30,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:30,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:30,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:12:30,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:12:30,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (1/1) ... [2023-11-12 00:12:30,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (1/1) ... [2023-11-12 00:12:30,416 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-12 00:12:30,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:30,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:12:30,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:12:30,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:12:30,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (1/1) ... [2023-11-12 00:12:30,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (1/1) ... [2023-11-12 00:12:30,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (1/1) ... [2023-11-12 00:12:30,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (1/1) ... [2023-11-12 00:12:30,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (1/1) ... [2023-11-12 00:12:30,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (1/1) ... [2023-11-12 00:12:30,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (1/1) ... [2023-11-12 00:12:30,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (1/1) ... [2023-11-12 00:12:30,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:12:30,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:12:30,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:12:30,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:12:30,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (1/1) ... [2023-11-12 00:12:30,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:30,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:30,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:12:30,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:12:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:12:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:12:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:12:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:12:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:12:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:12:30,724 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:12:30,726 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:12:31,314 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:12:31,564 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:12:31,564 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:12:31,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:31 BoogieIcfgContainer [2023-11-12 00:12:31,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:12:31,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:12:31,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:12:31,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:12:31,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:12:29" (1/3) ... [2023-11-12 00:12:31,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b0ddc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:31, skipping insertion in model container [2023-11-12 00:12:31,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:30" (2/3) ... [2023-11-12 00:12:31,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b0ddc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:31, skipping insertion in model container [2023-11-12 00:12:31,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:31" (3/3) ... [2023-11-12 00:12:31,580 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-80.i [2023-11-12 00:12:31,606 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:12:31,606 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:12:31,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:12:31,674 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;@6131990e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:12:31,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:12:31,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:12:31,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-12 00:12:31,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:31,695 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:12:31,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:12:31,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:31,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1043385083, now seen corresponding path program 1 times [2023-11-12 00:12:31,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:12:31,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705257808] [2023-11-12 00:12:31,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:31,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:12:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:12:32,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:12:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:12:32,923 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:12:32,927 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:12:32,929 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:12:32,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:12:32,937 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:12:32,944 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:12:33,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:12:33 BoogieIcfgContainer [2023-11-12 00:12:33,127 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:12:33,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:12:33,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:12:33,131 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:12:33,132 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:31" (3/4) ... [2023-11-12 00:12:33,137 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:12:33,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:12:33,141 INFO L158 Benchmark]: Toolchain (without parser) took 3235.46ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 112.3MB in the end (delta: 12.3MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-12 00:12:33,142 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 127.9MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:12:33,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.90ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 110.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:12:33,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.15ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:12:33,147 INFO L158 Benchmark]: Boogie Preprocessor took 49.47ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 106.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:12:33,155 INFO L158 Benchmark]: RCFGBuilder took 1100.32ms. Allocated memory is still 167.8MB. Free memory was 105.8MB in the beginning and 108.5MB in the end (delta: -2.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-12 00:12:33,157 INFO L158 Benchmark]: TraceAbstraction took 1555.76ms. Allocated memory is still 167.8MB. Free memory was 108.2MB in the beginning and 112.3MB in the end (delta: -4.1MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2023-11-12 00:12:33,158 INFO L158 Benchmark]: Witness Printer took 8.45ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 112.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:12:33,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 127.9MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.90ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 110.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.15ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.47ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 106.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1100.32ms. Allocated memory is still 167.8MB. Free memory was 105.8MB in the beginning and 108.5MB in the end (delta: -2.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1555.76ms. Allocated memory is still 167.8MB. Free memory was 108.2MB in the beginning and 112.3MB in the end (delta: -4.1MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Witness Printer took 8.45ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 112.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryFLOATComparisonOperation at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 128; [L23] double var_1_2 = 24.25; [L24] double var_1_3 = 128.5; [L25] double var_1_4 = 4.5; [L26] double var_1_5 = 49.5; [L27] signed short int var_1_6 = -16; [L28] signed short int var_1_7 = -2; [L29] signed short int var_1_8 = 5; [L30] signed short int var_1_9 = -25; [L31] unsigned char var_1_10 = 200; [L32] unsigned char var_1_11 = 1; [L33] unsigned char var_1_12 = 1; [L34] double var_1_13 = 128.375; [L35] unsigned short int var_1_14 = 0; [L36] float var_1_15 = 0.0; [L37] float var_1_16 = 4.87; [L38] float var_1_17 = 8.875; [L39] signed short int var_1_18 = -128; [L40] unsigned char var_1_19 = 0; [L41] unsigned char var_1_20 = 1; [L42] unsigned char var_1_21 = 0; [L43] unsigned long int var_1_22 = 16; [L44] unsigned long int var_1_23 = 4200661734; [L136] isInitial = 1 [L137] FCALL initially() [L138] COND TRUE 1 [L139] FCALL updateLastVariables() [L140] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=257/2, var_1_4=9/2, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=257/2, var_1_4=9/2, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L89] var_1_3 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=9/2, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=9/2, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L91] var_1_4 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=99/2, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L93] var_1_5 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=-16, var_1_7=-2, var_1_8=5, var_1_9=-25] [L95] var_1_6 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_6 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 >= -16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-2, var_1_8=5, var_1_9=-25] [L97] CALL assume_abort_if_not(var_1_6 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-2, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 <= 16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-2, var_1_8=5, var_1_9=-25] [L98] var_1_7 = __VERIFIER_nondet_short() [L99] CALL assume_abort_if_not(var_1_7 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_7 >= -16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=5, var_1_9=-25] [L100] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=5, var_1_9=-25] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=5, var_1_9=-25] [L101] var_1_8 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_8 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_8 >= -16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L103] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L104] var_1_11 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L106] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L107] var_1_12 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L109] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L110] var_1_13 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L112] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L113] var_1_15 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L115] var_1_16 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L117] var_1_17 = __VERIFIER_nondet_float() [L118] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L119] var_1_20 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L121] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L122] var_1_21 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L124] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L125] var_1_23 = __VERIFIER_nondet_ulong() [L126] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L127] CALL assume_abort_if_not(var_1_23 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_23 <= 4294967294) VAL [isInitial=1, var_1_10=200, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=2147483647, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=-25] [L140] RET updateVariables() [L141] CALL step() [L48] COND TRUE ((var_1_2 - var_1_3) * var_1_4) < var_1_5 [L49] var_1_1 = ((((-8) < ((var_1_6 + ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))) ? (-8) : ((var_1_6 + ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))))) [L53] signed short int stepLocal_0 = var_1_8; [L54] COND TRUE stepLocal_0 >= var_1_7 [L55] var_1_9 = (-256 + var_1_6) [L59] COND TRUE \read(var_1_11) [L60] var_1_10 = ((((0) < (var_1_12)) ? (0) : (var_1_12))) [L66] COND FALSE !(! var_1_11) [L73] COND FALSE !((var_1_17 <= (- var_1_16)) && var_1_11) [L76] signed long int stepLocal_1 = 0; [L77] COND FALSE !(var_1_9 > stepLocal_1) [L80] COND FALSE !(\read(var_1_19)) [L83] var_1_22 = (((((var_1_23 - var_1_10)) < (var_1_14)) ? ((var_1_23 - var_1_10)) : (var_1_14))) [L141] RET step() [L142] CALL, EXPR property() [L132-L133] return (((((((((var_1_2 - var_1_3) * var_1_4) < var_1_5) ? (var_1_1 == ((signed short int) ((((-8) < ((var_1_6 + ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))) ? (-8) : ((var_1_6 + ((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))))))) : (var_1_1 == ((signed short int) var_1_6))) && ((var_1_8 >= var_1_7) ? (var_1_9 == ((signed short int) (-256 + var_1_6))) : (var_1_9 == ((signed short int) (var_1_7 + var_1_6))))) && (var_1_11 ? (var_1_10 == ((unsigned char) ((((0) < (var_1_12)) ? (0) : (var_1_12))))) : ((! (var_1_5 > (255.9 / var_1_13))) ? (var_1_10 == ((unsigned char) var_1_12)) : 1))) && ((! var_1_11) ? ((((var_1_15 - var_1_16) - var_1_17) <= var_1_13) ? (var_1_14 == ((unsigned short int) var_1_10)) : (var_1_14 == ((unsigned short int) var_1_10))) : 1)) && (((var_1_17 <= (- var_1_16)) && var_1_11) ? (var_1_18 == ((signed short int) var_1_6)) : 1)) && ((var_1_9 > 0) ? (var_1_19 == ((unsigned char) ((var_1_5 >= (- var_1_15)) && (var_1_11 && (var_1_20 && var_1_21))))) : 1)) && (var_1_19 ? (var_1_22 == ((unsigned long int) (var_1_10 + var_1_14))) : (var_1_22 == ((unsigned long int) (((((var_1_23 - var_1_10)) < (var_1_14)) ? ((var_1_23 - var_1_10)) : (var_1_14)))))) ; [L142] RET, EXPR property() [L142] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=-9, var_1_20=1, var_1_21=0, var_1_22=0, var_1_23=2147483647, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=4, var_1_13=4200661739, var_1_14=0, var_1_15=4200661741, var_1_16=4200661743, var_1_17=4200661745, var_1_18=-128, var_1_19=0, var_1_1=-9, var_1_20=1, var_1_21=0, var_1_22=0, var_1_23=2147483647, var_1_3=4200661742, var_1_4=4200661740, var_1_5=4200661744, var_1_6=256, var_1_7=-265, var_1_8=-265, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 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 [2023-11-12 00:12:33,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX --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 c51934b75642007b7e5ba630000c4f6d9fea2369763db606575965ad8705e431 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:12:36,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:12:36,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:12:36,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:12:36,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:12:36,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:12:36,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:12:36,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:12:36,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:12:36,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:12:36,488 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:12:36,489 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:12:36,489 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:12:36,493 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:12:36,494 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:12:36,494 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:12:36,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:12:36,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:12:36,501 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:12:36,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:12:36,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:12:36,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:12:36,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:12:36,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:12:36,506 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:12:36,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:12:36,506 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:12:36,507 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:12:36,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:12:36,508 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:12:36,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:12:36,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:12:36,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:12:36,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:36,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:12:36,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:12:36,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:12:36,512 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:12:36,512 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:12:36,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:12:36,514 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:12:36,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:12:36,514 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_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c51934b75642007b7e5ba630000c4f6d9fea2369763db606575965ad8705e431 [2023-11-12 00:12:36,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:12:36,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:12:36,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:12:36,990 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:12:36,990 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:12:36,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-80.i [2023-11-12 00:12:40,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:12:41,226 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:12:41,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-80.i [2023-11-12 00:12:41,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/data/be4d2a2d3/968b0946b1bc40f3bca673c68ba544c9/FLAG10237b96b [2023-11-12 00:12:41,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/data/be4d2a2d3/968b0946b1bc40f3bca673c68ba544c9 [2023-11-12 00:12:41,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:12:41,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:12:41,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:41,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:12:41,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:12:41,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c4bac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41, skipping insertion in model container [2023-11-12 00:12:41,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,353 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:12:41,585 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_ab45a849-3e99-45bd-acb1-7e19656ae63d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-80.i[917,930] [2023-11-12 00:12:41,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:41,711 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:12:41,726 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_ab45a849-3e99-45bd-acb1-7e19656ae63d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-80.i[917,930] [2023-11-12 00:12:41,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:41,817 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:12:41,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41 WrapperNode [2023-11-12 00:12:41,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:41,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:41,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:12:41,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:12:41,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,896 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-11-12 00:12:41,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:41,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:12:41,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:12:41,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:12:41,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:12:41,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:12:41,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:12:41,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:12:41,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (1/1) ... [2023-11-12 00:12:41,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:42,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:42,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:12:42,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:12:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:12:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:12:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:12:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:12:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:12:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:12:42,197 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:12:42,200 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:12:56,193 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:12:56,203 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:12:56,203 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:12:56,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:56 BoogieIcfgContainer [2023-11-12 00:12:56,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:12:56,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:12:56,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:12:56,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:12:56,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:12:41" (1/3) ... [2023-11-12 00:12:56,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531da45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:56, skipping insertion in model container [2023-11-12 00:12:56,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:41" (2/3) ... [2023-11-12 00:12:56,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531da45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:56, skipping insertion in model container [2023-11-12 00:12:56,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:56" (3/3) ... [2023-11-12 00:12:56,219 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-80.i [2023-11-12 00:12:56,243 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:12:56,244 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:12:56,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:12:56,315 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;@792f0dba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:12:56,315 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:12:56,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:12:56,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-12 00:12:56,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:56,344 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:12:56,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:12:56,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:56,352 INFO L85 PathProgramCache]: Analyzing trace with hash -100281656, now seen corresponding path program 1 times [2023-11-12 00:12:56,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:12:56,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626725647] [2023-11-12 00:12:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:56,372 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 [2023-11-12 00:12:56,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:12:56,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:12:56,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:12:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:58,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:12:58,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:12:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2023-11-12 00:12:58,426 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:12:58,427 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:12:58,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626725647] [2023-11-12 00:12:58,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626725647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:12:58,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:12:58,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:12:58,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530980574] [2023-11-12 00:12:58,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:12:58,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:12:58,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:12:58,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:12:58,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:12:58,478 INFO L87 Difference]: Start difference. First operand has 71 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 00:12:58,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:12:58,521 INFO L93 Difference]: Finished difference Result 135 states and 233 transitions. [2023-11-12 00:12:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:12:58,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 159 [2023-11-12 00:12:58,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:12:58,531 INFO L225 Difference]: With dead ends: 135 [2023-11-12 00:12:58,531 INFO L226 Difference]: Without dead ends: 67 [2023-11-12 00:12:58,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:12:58,541 INFO L413 NwaCegarLoop]: 100 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, 100 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 [2023-11-12 00:12:58,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:12:58,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-12 00:12:58,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-12 00:12:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:12:58,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 100 transitions. [2023-11-12 00:12:58,607 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 100 transitions. Word has length 159 [2023-11-12 00:12:58,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:12:58,608 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 100 transitions. [2023-11-12 00:12:58,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 00:12:58,608 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2023-11-12 00:12:58,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-12 00:12:58,614 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:58,614 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:12:58,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:12:58,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:12:58,841 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:12:58,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:58,843 INFO L85 PathProgramCache]: Analyzing trace with hash -24816838, now seen corresponding path program 1 times [2023-11-12 00:12:58,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:12:58,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064480644] [2023-11-12 00:12:58,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:58,845 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 [2023-11-12 00:12:58,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:12:58,848 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:12:58,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:13:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:00,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:13:00,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:13:01,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 244 proven. 6 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2023-11-12 00:13:01,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:13:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 66 proven. 6 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-12 00:13:02,551 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:13:02,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064480644] [2023-11-12 00:13:02,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064480644] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:13:02,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [844852097] [2023-11-12 00:13:02,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:02,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:13:02,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:13:02,593 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:13:02,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:13:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:05,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:13:05,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:13:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 244 proven. 6 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2023-11-12 00:13:06,093 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:13:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 66 proven. 6 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-12 00:13:06,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [844852097] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:13:06,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608533724] [2023-11-12 00:13:06,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:06,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:13:06,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:13:06,815 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:13:06,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:13:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:08,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:13:08,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:13:08,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 244 proven. 6 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2023-11-12 00:13:08,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:13:09,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 66 proven. 6 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-12 00:13:09,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608533724] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:13:09,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-12 00:13:09,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-11-12 00:13:09,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508688439] [2023-11-12 00:13:09,566 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-12 00:13:09,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 00:13:09,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:13:09,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 00:13:09,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:13:09,571 INFO L87 Difference]: Start difference. First operand 67 states and 100 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-12 00:13:14,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:13:16,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:13:18,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:13:18,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:13:18,656 INFO L93 Difference]: Finished difference Result 139 states and 204 transitions. [2023-11-12 00:13:18,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 00:13:18,894 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 159 [2023-11-12 00:13:18,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:13:18,900 INFO L225 Difference]: With dead ends: 139 [2023-11-12 00:13:18,900 INFO L226 Difference]: Without dead ends: 75 [2023-11-12 00:13:18,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 940 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:13:18,903 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 132 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 138 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:13:18,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 156 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2023-11-12 00:13:18,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-12 00:13:18,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2023-11-12 00:13:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 43 states have internal predecessors, (52), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:13:18,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 102 transitions. [2023-11-12 00:13:18,925 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 102 transitions. Word has length 159 [2023-11-12 00:13:18,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:13:18,926 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 102 transitions. [2023-11-12 00:13:18,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-12 00:13:18,927 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2023-11-12 00:13:18,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-12 00:13:18,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:18,930 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:13:18,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:13:19,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:13:19,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:13:19,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:13:19,557 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:13:19,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:19,558 INFO L85 PathProgramCache]: Analyzing trace with hash -22969796, now seen corresponding path program 1 times [2023-11-12 00:13:19,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:13:19,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423918396] [2023-11-12 00:13:19,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:19,560 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 [2023-11-12 00:13:19,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:13:19,561 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:13:19,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab45a849-3e99-45bd-acb1-7e19656ae63d/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:13:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:13:20,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-12 00:13:21,008 INFO L285 TraceCheckSpWp]: Computing forward predicates...