./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91 --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 36e9a1ca1f60b89b4aed03be6500b09992e3d09beb8e46880b1b8574e3f964f1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:17:50,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:17:50,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:17:50,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:17:50,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:17:50,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:17:50,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:17:50,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:17:50,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:17:50,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:17:50,350 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:17:50,350 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:17:50,351 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:17:50,353 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:17:50,353 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:17:50,354 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:17:50,354 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:17:50,355 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:17:50,355 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:17:50,356 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:17:50,356 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:17:50,357 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:17:50,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:17:50,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:17:50,359 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:17:50,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:17:50,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:17:50,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:17:50,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:17:50,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:17:50,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:17:50,362 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:17:50,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:17:50,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:17:50,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:17:50,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:17:50,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:17:50,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:17:50,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:17:50,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:17:50,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:17:50,366 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:17:50,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:17:50,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:17:50,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:17:50,369 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:17:50,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:17:50,370 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_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36e9a1ca1f60b89b4aed03be6500b09992e3d09beb8e46880b1b8574e3f964f1 [2023-11-24 23:17:50,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:17:50,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:17:50,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:17:50,674 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:17:50,675 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:17:50,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i [2023-11-24 23:17:53,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:17:54,029 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:17:54,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i [2023-11-24 23:17:54,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/data/431342e12/66ee78d421374252b4353c5acfea9ac4/FLAG19481eccc [2023-11-24 23:17:54,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/data/431342e12/66ee78d421374252b4353c5acfea9ac4 [2023-11-24 23:17:54,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:17:54,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:17:54,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:17:54,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:17:54,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:17:54,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae86987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54, skipping insertion in model container [2023-11-24 23:17:54,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:17:54,270 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_b372ac27-fb77-456e-aea2-8d69f8715999/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i[919,932] [2023-11-24 23:17:54,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:17:54,370 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:17:54,383 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_b372ac27-fb77-456e-aea2-8d69f8715999/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i[919,932] [2023-11-24 23:17:54,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:17:54,461 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:17:54,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54 WrapperNode [2023-11-24 23:17:54,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:17:54,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:17:54,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:17:54,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:17:54,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,567 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-11-24 23:17:54,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:17:54,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:17:54,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:17:54,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:17:54,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:17:54,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:17:54,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:17:54,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:17:54,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (1/1) ... [2023-11-24 23:17:54,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:17:54,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:17:54,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:17:54,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:17:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:17:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:17:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:17:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:17:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:17:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:17:54,887 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:17:54,890 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:17:55,602 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:17:55,913 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:17:55,913 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:17:55,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:17:55 BoogieIcfgContainer [2023-11-24 23:17:55,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:17:55,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:17:55,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:17:55,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:17:55,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:17:54" (1/3) ... [2023-11-24 23:17:55,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6b772b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:17:55, skipping insertion in model container [2023-11-24 23:17:55,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:17:54" (2/3) ... [2023-11-24 23:17:55,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e6b772b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:17:55, skipping insertion in model container [2023-11-24 23:17:55,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:17:55" (3/3) ... [2023-11-24 23:17:55,929 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-78.i [2023-11-24 23:17:55,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:17:55,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:17:56,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:17:56,037 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;@15493f0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:17:56,038 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:17:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:17:56,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:17:56,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:17:56,056 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:17:56,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:17:56,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:17:56,067 INFO L85 PathProgramCache]: Analyzing trace with hash 23874797, now seen corresponding path program 1 times [2023-11-24 23:17:56,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:17:56,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309960210] [2023-11-24 23:17:56,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:17:56,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:17:56,332 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:17:56,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934213363] [2023-11-24 23:17:56,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:17:56,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:17:56,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:17:56,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:17:56,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:17:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:17:56,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:17:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:17:57,120 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:17:57,122 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:17:57,123 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:17:57,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:17:57,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:17:57,337 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:17:57,342 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:17:57,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:17:57 BoogieIcfgContainer [2023-11-24 23:17:57,448 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:17:57,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:17:57,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:17:57,450 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:17:57,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:17:55" (3/4) ... [2023-11-24 23:17:57,453 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:17:57,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:17:57,456 INFO L158 Benchmark]: Toolchain (without parser) took 3380.23ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 88.4MB in the beginning and 97.8MB in the end (delta: -9.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-24 23:17:57,457 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:17:57,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.46ms. Allocated memory is still 134.2MB. Free memory was 88.0MB in the beginning and 72.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:17:57,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.88ms. Allocated memory is still 134.2MB. Free memory was 72.8MB in the beginning and 66.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:17:57,465 INFO L158 Benchmark]: Boogie Preprocessor took 79.32ms. Allocated memory is still 134.2MB. Free memory was 66.1MB in the beginning and 63.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:17:57,466 INFO L158 Benchmark]: RCFGBuilder took 1266.92ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 62.8MB in the beginning and 77.0MB in the end (delta: -14.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2023-11-24 23:17:57,468 INFO L158 Benchmark]: TraceAbstraction took 1530.55ms. Allocated memory is still 161.5MB. Free memory was 76.2MB in the beginning and 97.8MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:17:57,468 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 161.5MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:17:57,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.46ms. Allocated memory is still 134.2MB. Free memory was 88.0MB in the beginning and 72.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.88ms. Allocated memory is still 134.2MB. Free memory was 72.8MB in the beginning and 66.1MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.32ms. Allocated memory is still 134.2MB. Free memory was 66.1MB in the beginning and 63.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1266.92ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 62.8MB in the beginning and 77.0MB in the end (delta: -14.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1530.55ms. Allocated memory is still 161.5MB. Free memory was 76.2MB in the beginning and 97.8MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 161.5MB. Free memory is still 97.8MB. 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 bitwiseOr at line 49, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61, overapproximation of bitwiseAnd at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_3 = 64; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 2; [L26] unsigned short int var_1_6 = 10; [L27] double var_1_8 = 1.875; [L28] signed long int var_1_9 = -4; [L29] double var_1_10 = 63.5; [L30] double var_1_11 = 255.375; [L31] double var_1_12 = 999999999.525; [L32] double var_1_13 = 63.75; [L33] double var_1_14 = 0.625; [L34] unsigned short int var_1_15 = 5; [L35] signed char var_1_16 = 4; [L36] signed char var_1_17 = 0; [L37] signed char var_1_18 = -2; [L38] signed char var_1_19 = 1; [L39] unsigned short int var_1_20 = 50; [L40] unsigned short int var_1_21 = 0; [L41] unsigned char last_1_var_1_3 = 64; [L42] unsigned short int last_1_var_1_6 = 10; [L43] unsigned short int last_1_var_1_15 = 5; [L44] unsigned short int last_1_var_1_20 = 50; [L45] unsigned short int last_1_var_1_21 = 0; [L119] isInitial = 1 [L120] FCALL initially() [L121] COND TRUE 1 [L122] CALL updateLastVariables() [L108] last_1_var_1_3 = var_1_3 [L109] last_1_var_1_6 = var_1_6 [L110] last_1_var_1_15 = var_1_15 [L111] last_1_var_1_20 = var_1_20 [L112] last_1_var_1_21 = var_1_21 [L122] RET updateLastVariables() [L123] CALL updateVariables() [L77] var_1_4 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L79] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L80] var_1_5 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L82] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L83] var_1_9 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L85] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L86] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L87] var_1_10 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L89] var_1_11 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L91] var_1_12 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L93] var_1_13 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L95] var_1_14 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L97] var_1_17 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L99] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L100] var_1_18 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-16, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-16, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L102] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-16, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-16, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L103] var_1_19 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_19 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-16, var_1_19=13, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_19 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-16, var_1_19=13, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L105] CALL assume_abort_if_not(var_1_19 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-16, var_1_19=13, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_19 <= 31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-16, var_1_19=13, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=10, var_1_8=15/8, var_1_9=51] [L123] RET updateVariables() [L124] CALL step() [L49] EXPR last_1_var_1_20 ^ last_1_var_1_15 [L49] COND FALSE !((last_1_var_1_20 ^ last_1_var_1_15) < -256) [L52] COND TRUE var_1_5 <= 50 [L53] var_1_6 = last_1_var_1_20 [L56] var_1_20 = (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4))) [L57] COND FALSE !(last_1_var_1_6 < last_1_var_1_21) [L60] COND FALSE !(var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) [L63] COND TRUE var_1_13 <= (var_1_14 + var_1_11) [L64] var_1_8 = var_1_12 [L67] var_1_16 = (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) [L68] var_1_1 = ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) [L69] EXPR (var_1_3 * var_1_17) & (var_1_1 * var_1_18) [L69] COND FALSE !(var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) [L72] COND FALSE !(((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) [L124] RET step() [L125] CALL, EXPR property() [L115] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) [L115] EXPR last_1_var_1_20 ^ last_1_var_1_15 [L115] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) [L115] EXPR (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) [L115-L116] return (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=2, var_1_15=5, var_1_16=-4, var_1_17=-1, var_1_18=-16, var_1_19=13, var_1_1=4, var_1_20=100, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=50, var_1_8=2, var_1_9=51] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=2, var_1_15=5, var_1_16=-4, var_1_17=-1, var_1_18=-16, var_1_19=13, var_1_1=4, var_1_20=100, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=50, var_1_6=50, var_1_8=2, var_1_9=51] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 18, 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=38occurred 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, 69 NumberOfCodeBlocks, 69 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 [2023-11-24 23:17:57,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91 --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 36e9a1ca1f60b89b4aed03be6500b09992e3d09beb8e46880b1b8574e3f964f1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:18:00,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:18:00,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:18:00,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:18:00,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:18:00,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:18:00,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:18:00,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:18:00,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:18:00,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:18:00,498 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:18:00,499 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:18:00,499 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:18:00,501 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:18:00,502 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:18:00,502 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:18:00,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:18:00,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:18:00,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:18:00,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:18:00,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:18:00,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:18:00,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:18:00,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:18:00,508 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:18:00,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:18:00,509 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:18:00,510 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:18:00,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:18:00,511 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:18:00,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:18:00,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:18:00,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:18:00,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:18:00,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:00,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:18:00,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:18:00,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:18:00,515 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:18:00,516 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:18:00,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:18:00,517 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:18:00,517 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:18:00,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:18:00,518 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_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36e9a1ca1f60b89b4aed03be6500b09992e3d09beb8e46880b1b8574e3f964f1 [2023-11-24 23:18:00,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:18:00,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:18:00,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:18:00,956 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:18:00,956 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:18:00,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i [2023-11-24 23:18:04,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:18:04,651 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:18:04,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i [2023-11-24 23:18:04,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/data/4bfe650fb/8bd7cf05adab4d7aa247a3bbb4ea5c08/FLAG8319f11f1 [2023-11-24 23:18:04,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/data/4bfe650fb/8bd7cf05adab4d7aa247a3bbb4ea5c08 [2023-11-24 23:18:04,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:18:04,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:18:04,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:18:04,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:18:04,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:18:04,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:04" (1/1) ... [2023-11-24 23:18:04,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597f21f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:04, skipping insertion in model container [2023-11-24 23:18:04,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:04" (1/1) ... [2023-11-24 23:18:04,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:18:04,937 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_b372ac27-fb77-456e-aea2-8d69f8715999/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i[919,932] [2023-11-24 23:18:05,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:05,018 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:18:05,032 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_b372ac27-fb77-456e-aea2-8d69f8715999/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-78.i[919,932] [2023-11-24 23:18:05,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:18:05,092 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:18:05,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05 WrapperNode [2023-11-24 23:18:05,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:18:05,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:05,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:18:05,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:18:05,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (1/1) ... [2023-11-24 23:18:05,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (1/1) ... [2023-11-24 23:18:05,211 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2023-11-24 23:18:05,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:18:05,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:18:05,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:18:05,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:18:05,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (1/1) ... [2023-11-24 23:18:05,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (1/1) ... [2023-11-24 23:18:05,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (1/1) ... [2023-11-24 23:18:05,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (1/1) ... [2023-11-24 23:18:05,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (1/1) ... [2023-11-24 23:18:05,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (1/1) ... [2023-11-24 23:18:05,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (1/1) ... [2023-11-24 23:18:05,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (1/1) ... [2023-11-24 23:18:05,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:18:05,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:18:05,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:18:05,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:18:05,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (1/1) ... [2023-11-24 23:18:05,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:18:05,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:18:05,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:18:05,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:18:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:18:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:18:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:18:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:18:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:18:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:18:05,488 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:18:05,492 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:18:10,416 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:18:10,495 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:18:10,495 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:18:10,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:10 BoogieIcfgContainer [2023-11-24 23:18:10,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:18:10,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:18:10,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:18:10,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:18:10,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:18:04" (1/3) ... [2023-11-24 23:18:10,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fda61c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:10, skipping insertion in model container [2023-11-24 23:18:10,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:05" (2/3) ... [2023-11-24 23:18:10,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fda61c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:10, skipping insertion in model container [2023-11-24 23:18:10,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:10" (3/3) ... [2023-11-24 23:18:10,509 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-78.i [2023-11-24 23:18:10,550 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:18:10,550 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:18:10,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:18:10,630 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;@5fa26017, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:18:10,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:18:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:18:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-24 23:18:10,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:10,658 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:10,661 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:10,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1298637681, now seen corresponding path program 1 times [2023-11-24 23:18:10,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:18:10,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231000659] [2023-11-24 23:18:10,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:10,688 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 [2023-11-24 23:18:10,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:18:10,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:18:10,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:18:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:11,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:18:11,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:18:11,391 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-24 23:18:11,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:18:11,392 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:18:11,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231000659] [2023-11-24 23:18:11,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231000659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:11,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:18:11,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:18:11,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731246464] [2023-11-24 23:18:11,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:11,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:18:11,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:18:11,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:18:11,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:18:11,434 INFO L87 Difference]: Start difference. First operand has 51 states, 30 states have (on average 1.4) internal successors, (42), 31 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-24 23:18:13,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:13,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:18:13,639 INFO L93 Difference]: Finished difference Result 99 states and 172 transitions. [2023-11-24 23:18:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:18:13,673 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2023-11-24 23:18:13,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:18:13,680 INFO L225 Difference]: With dead ends: 99 [2023-11-24 23:18:13,681 INFO L226 Difference]: Without dead ends: 49 [2023-11-24 23:18:13,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:18:13,687 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:18:13,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-24 23:18:13,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-24 23:18:13,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-24 23:18:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-24 23:18:13,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2023-11-24 23:18:13,733 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 113 [2023-11-24 23:18:13,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:18:13,734 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2023-11-24 23:18:13,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-24 23:18:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2023-11-24 23:18:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-24 23:18:13,748 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:13,749 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:13,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:18:13,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:18:13,961 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:13,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:13,962 INFO L85 PathProgramCache]: Analyzing trace with hash 102069872, now seen corresponding path program 1 times [2023-11-24 23:18:13,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:18:13,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232021204] [2023-11-24 23:18:13,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:13,963 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 [2023-11-24 23:18:13,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:18:13,964 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:18:13,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:18:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:14,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:18:14,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:18:15,109 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-24 23:18:15,109 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:18:15,109 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:18:15,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232021204] [2023-11-24 23:18:15,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [232021204] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:15,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:18:15,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:18:15,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338858893] [2023-11-24 23:18:15,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:15,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:18:15,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:18:15,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:18:15,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:18:15,114 INFO L87 Difference]: Start difference. First operand 49 states and 72 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-24 23:18:17,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:18,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:20,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:20,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:18:20,940 INFO L93 Difference]: Finished difference Result 152 states and 222 transitions. [2023-11-24 23:18:20,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:18:20,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114 [2023-11-24 23:18:20,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:18:20,983 INFO L225 Difference]: With dead ends: 152 [2023-11-24 23:18:20,983 INFO L226 Difference]: Without dead ends: 104 [2023-11-24 23:18:20,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:18:20,985 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 56 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 37 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:18:20,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 199 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2023-11-24 23:18:20,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-24 23:18:21,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2023-11-24 23:18:21,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 56 states have internal predecessors, (69), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-24 23:18:21,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 141 transitions. [2023-11-24 23:18:21,026 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 141 transitions. Word has length 114 [2023-11-24 23:18:21,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:18:21,028 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 141 transitions. [2023-11-24 23:18:21,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-24 23:18:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2023-11-24 23:18:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-24 23:18:21,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:21,036 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:21,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:18:21,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:18:21,249 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:21,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:21,250 INFO L85 PathProgramCache]: Analyzing trace with hash -707276754, now seen corresponding path program 1 times [2023-11-24 23:18:21,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:18:21,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171289508] [2023-11-24 23:18:21,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:21,251 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 [2023-11-24 23:18:21,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:18:21,253 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:18:21,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-24 23:18:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:23,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:18:23,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:18:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 293 proven. 33 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2023-11-24 23:18:24,827 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:18:27,376 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:18:27,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171289508] [2023-11-24 23:18:27,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171289508] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:18:27,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [815527086] [2023-11-24 23:18:27,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:27,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:18:27,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:18:27,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:18:27,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:18:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:28,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:18:28,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:18:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-24 23:18:29,977 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:18:29,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [815527086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:18:29,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 23:18:29,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-24 23:18:29,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052654966] [2023-11-24 23:18:29,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:18:29,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:18:29,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:18:29,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:18:29,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:18:29,980 INFO L87 Difference]: Start difference. First operand 95 states and 141 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-24 23:18:32,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:34,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:36,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:38,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:40,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:42,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:45,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:47,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:49,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:18:49,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:18:49,670 INFO L93 Difference]: Finished difference Result 275 states and 402 transitions. [2023-11-24 23:18:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:18:49,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114 [2023-11-24 23:18:49,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:18:49,675 INFO L225 Difference]: With dead ends: 275 [2023-11-24 23:18:49,675 INFO L226 Difference]: Without dead ends: 181 [2023-11-24 23:18:49,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:18:49,678 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 41 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:18:49,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 155 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 9 Unknown, 0 Unchecked, 19.6s Time] [2023-11-24 23:18:49,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-24 23:18:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 175. [2023-11-24 23:18:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 111 states have (on average 1.2612612612612613) internal successors, (140), 113 states have internal predecessors, (140), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-24 23:18:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 256 transitions. [2023-11-24 23:18:49,739 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 256 transitions. Word has length 114 [2023-11-24 23:18:49,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:18:49,740 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 256 transitions. [2023-11-24 23:18:49,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-24 23:18:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 256 transitions. [2023-11-24 23:18:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-24 23:18:49,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:18:49,743 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:18:49,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:18:49,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:18:50,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-24 23:18:50,156 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:18:50,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:18:50,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1100303764, now seen corresponding path program 1 times [2023-11-24 23:18:50,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:18:50,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482146238] [2023-11-24 23:18:50,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:18:50,158 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 [2023-11-24 23:18:50,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:18:50,159 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:18:50,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b372ac27-fb77-456e-aea2-8d69f8715999/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:18:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:18:51,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-24 23:18:51,429 INFO L285 TraceCheckSpWp]: Computing forward predicates...