./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e16c5a025919373f7b296a1dca27c9a462a1ec91557da14151f7e36b86babe44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:55:44,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:55:44,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:55:44,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:55:44,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:55:44,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:55:44,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:55:44,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:55:44,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:55:44,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:55:44,226 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:55:44,227 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:55:44,227 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:55:44,228 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:55:44,229 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:55:44,230 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:55:44,230 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:55:44,231 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:55:44,232 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:55:44,232 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:55:44,233 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:55:44,234 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:55:44,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:55:44,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:55:44,236 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:55:44,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:55:44,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:55:44,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:55:44,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:55:44,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:55:44,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:55:44,240 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:55:44,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:55:44,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:55:44,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:55:44,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:55:44,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:44,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:55:44,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:55:44,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:55:44,243 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:55:44,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:55:44,244 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:55:44,244 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:55:44,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:55:44,245 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_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e16c5a025919373f7b296a1dca27c9a462a1ec91557da14151f7e36b86babe44 [2023-11-12 00:55:44,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:55:44,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:55:44,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:55:44,578 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:55:44,580 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:55:44,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-84.i [2023-11-12 00:55:47,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:55:47,959 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:55:47,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-84.i [2023-11-12 00:55:47,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/data/4826d3a46/97e541fe2077472ea912e35e23788a8a/FLAGa1e3f4f35 [2023-11-12 00:55:47,998 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/data/4826d3a46/97e541fe2077472ea912e35e23788a8a [2023-11-12 00:55:48,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:55:48,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:55:48,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:48,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:55:48,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:55:48,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:47" (1/1) ... [2023-11-12 00:55:48,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd4aa4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48, skipping insertion in model container [2023-11-12 00:55:48,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:47" (1/1) ... [2023-11-12 00:55:48,071 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:55:48,294 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_faa88d4b-a414-483a-81fb-bfdfa7a1b589/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-84.i[915,928] [2023-11-12 00:55:48,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:48,374 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:55:48,387 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_faa88d4b-a414-483a-81fb-bfdfa7a1b589/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-84.i[915,928] [2023-11-12 00:55:48,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:48,462 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:55:48,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48 WrapperNode [2023-11-12 00:55:48,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:48,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:48,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:55:48,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:55:48,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (1/1) ... [2023-11-12 00:55:48,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (1/1) ... [2023-11-12 00:55:48,541 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-12 00:55:48,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:48,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:55:48,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:55:48,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:55:48,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (1/1) ... [2023-11-12 00:55:48,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (1/1) ... [2023-11-12 00:55:48,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (1/1) ... [2023-11-12 00:55:48,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (1/1) ... [2023-11-12 00:55:48,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (1/1) ... [2023-11-12 00:55:48,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (1/1) ... [2023-11-12 00:55:48,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (1/1) ... [2023-11-12 00:55:48,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (1/1) ... [2023-11-12 00:55:48,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:55:48,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:55:48,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:55:48,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:55:48,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (1/1) ... [2023-11-12 00:55:48,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:48,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:55:48,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:55:48,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:55:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:55:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:55:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:55:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:55:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:55:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:55:48,797 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:55:48,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:55:49,362 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:55:49,752 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:55:49,753 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:55:49,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:49 BoogieIcfgContainer [2023-11-12 00:55:49,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:55:49,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:55:49,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:55:49,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:55:49,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:55:47" (1/3) ... [2023-11-12 00:55:49,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5bcd6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:49, skipping insertion in model container [2023-11-12 00:55:49,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:48" (2/3) ... [2023-11-12 00:55:49,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5bcd6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:49, skipping insertion in model container [2023-11-12 00:55:49,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:49" (3/3) ... [2023-11-12 00:55:49,770 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-84.i [2023-11-12 00:55:49,791 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:55:49,791 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:55:49,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:55:49,878 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;@5fc4b0a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:55:49,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:55:49,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:55:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-12 00:55:49,898 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:49,899 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:55:49,901 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:49,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:49,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1736786776, now seen corresponding path program 1 times [2023-11-12 00:55:49,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:55:49,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476504886] [2023-11-12 00:55:49,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:49,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:55:50,167 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:55:50,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1677160874] [2023-11-12 00:55:50,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:50,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:55:50,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:55:50,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:55:50,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:55:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:55:50,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:55:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:55:50,791 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:55:50,794 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:55:50,796 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:55:50,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:55:51,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:55:51,010 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:55:51,014 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:55:51,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:55:51 BoogieIcfgContainer [2023-11-12 00:55:51,125 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:55:51,126 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:55:51,126 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:55:51,126 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:55:51,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:49" (3/4) ... [2023-11-12 00:55:51,136 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:55:51,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:55:51,139 INFO L158 Benchmark]: Toolchain (without parser) took 3136.13ms. Allocated memory is still 172.0MB. Free memory was 126.2MB in the beginning and 62.0MB in the end (delta: 64.2MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-11-12 00:55:51,140 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:55:51,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.55ms. Allocated memory is still 172.0MB. Free memory was 126.2MB in the beginning and 112.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:55:51,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.38ms. Allocated memory is still 172.0MB. Free memory was 112.2MB in the beginning and 108.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:55:51,142 INFO L158 Benchmark]: Boogie Preprocessor took 46.59ms. Allocated memory is still 172.0MB. Free memory was 108.7MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:55:51,143 INFO L158 Benchmark]: RCFGBuilder took 1166.41ms. Allocated memory is still 172.0MB. Free memory was 106.6MB in the beginning and 107.8MB in the end (delta: -1.2MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-11-12 00:55:51,143 INFO L158 Benchmark]: TraceAbstraction took 1364.79ms. Allocated memory is still 172.0MB. Free memory was 106.9MB in the beginning and 62.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-12 00:55:51,144 INFO L158 Benchmark]: Witness Printer took 12.22ms. Allocated memory is still 172.0MB. Free memory was 62.9MB in the beginning and 62.0MB in the end (delta: 913.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:55:51,151 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.55ms. Allocated memory is still 172.0MB. Free memory was 126.2MB in the beginning and 112.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.38ms. Allocated memory is still 172.0MB. Free memory was 112.2MB in the beginning and 108.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.59ms. Allocated memory is still 172.0MB. Free memory was 108.7MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1166.41ms. Allocated memory is still 172.0MB. Free memory was 106.6MB in the beginning and 107.8MB in the end (delta: -1.2MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1364.79ms. Allocated memory is still 172.0MB. Free memory was 106.9MB in the beginning and 62.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 12.22ms. Allocated memory is still 172.0MB. Free memory was 62.9MB in the beginning and 62.0MB in the end (delta: 913.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 119, overapproximation of bitwiseAnd at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -10; [L23] signed char var_1_3 = -16; [L24] signed char var_1_4 = 50; [L25] signed char var_1_5 = 4; [L26] unsigned long int var_1_6 = 50; [L27] signed long int var_1_7 = -8; [L28] signed long int var_1_8 = -4; [L29] signed char var_1_9 = 50; [L30] unsigned char var_1_10 = 128; [L31] unsigned char var_1_11 = 5; [L32] unsigned long int var_1_12 = 10; [L33] signed char var_1_13 = 16; [L34] unsigned short int var_1_15 = 128; [L35] signed long int var_1_16 = 2; [L36] unsigned short int var_1_17 = 61498; [L37] unsigned long int var_1_18 = 1; [L38] unsigned char var_1_19 = 0; [L39] double var_1_20 = 4.9; [L40] double var_1_21 = 1.5; [L41] unsigned short int last_1_var_1_15 = 128; [L123] isInitial = 1 [L124] FCALL initially() [L125] int k_loop; [L126] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L126] COND TRUE k_loop < 1 [L127] CALL updateLastVariables() [L116] last_1_var_1_15 = var_1_15 [L127] RET updateLastVariables() [L128] CALL updateVariables() [L82] var_1_3 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L84] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L85] var_1_4 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L87] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L88] var_1_5 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L90] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L91] var_1_7 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-4, var_1_9=50] [L93] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-4, var_1_9=50] [L94] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-4, var_1_9=50] [L95] var_1_8 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L97] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L98] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L99] var_1_10 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L101] CALL assume_abort_if_not(var_1_10 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_10 <= 255) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L102] var_1_11 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L104] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L105] CALL assume_abort_if_not(var_1_11 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_11 != 127) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L106] var_1_16 = __VERIFIER_nondet_long() [L107] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L108] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L109] var_1_17 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L111] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L112] var_1_21 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=10, var_1_13=16, var_1_15=128, var_1_16=125, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=50] [L128] RET updateVariables() [L129] CALL step() [L45] EXPR var_1_8 & var_1_4 [L45] COND FALSE !(last_1_var_1_15 <= (var_1_8 & var_1_4)) [L50] var_1_9 = var_1_4 [L52] EXPR (var_1_4 + var_1_9) & var_1_7 [L52] signed long int stepLocal_3 = (var_1_4 + var_1_9) & var_1_7; [L53] COND FALSE !(stepLocal_3 <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) [L56] var_1_15 = ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11))) [L58] signed long int stepLocal_1 = -4; [L59] signed long int stepLocal_0 = -16; [L60] COND FALSE !(stepLocal_1 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) [L65] var_1_18 = var_1_17 [L66] var_1_19 = 0 [L67] var_1_20 = var_1_21 [L68] COND FALSE !(\read(var_1_19)) [L71] COND FALSE !(var_1_3 <= var_1_1) [L74] var_1_12 = (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))) [L76] unsigned long int stepLocal_2 = var_1_18; [L77] COND FALSE !((~ var_1_3) < stepLocal_2) [L129] RET step() [L130] CALL, EXPR property() [L119] EXPR ((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) [L119] EXPR var_1_8 & var_1_4 [L119] EXPR ((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) [L119] EXPR (((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) [L119] EXPR (var_1_4 + var_1_9) & var_1_7 [L119] EXPR (((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) [L119-L120] return ((((((((var_1_19 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((last_1_var_1_15 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_18) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_9) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11))))))) && (var_1_18 == ((unsigned long int) var_1_17))) && (var_1_19 == ((unsigned char) 0))) && (var_1_20 == ((double) var_1_21)) ; [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=127, var_1_13=16, var_1_15=65531, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=128, var_1_10=127, var_1_11=124, var_1_12=127, var_1_13=16, var_1_15=65531, var_1_16=125, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=-10, var_1_20=2, var_1_21=2, var_1_3=2, var_1_4=3, var_1_5=1, var_1_6=50, var_1_7=7, var_1_8=-1, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:55:51,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e16c5a025919373f7b296a1dca27c9a462a1ec91557da14151f7e36b86babe44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:55:53,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:55:54,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:55:54,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:55:54,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:55:54,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:55:54,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:55:54,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:55:54,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:55:54,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:55:54,097 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:55:54,098 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:55:54,098 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:55:54,100 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:55:54,100 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:55:54,101 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:55:54,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:55:54,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:55:54,103 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:55:54,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:55:54,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:55:54,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:55:54,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:55:54,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:55:54,105 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:55:54,106 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:55:54,106 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:55:54,107 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:55:54,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:55:54,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:55:54,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:55:54,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:55:54,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:55:54,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:54,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:55:54,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:55:54,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:55:54,111 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:55:54,111 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:55:54,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:55:54,112 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:55:54,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:55:54,113 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_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e16c5a025919373f7b296a1dca27c9a462a1ec91557da14151f7e36b86babe44 [2023-11-12 00:55:54,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:55:54,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:55:54,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:55:54,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:55:54,550 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:55:54,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-84.i [2023-11-12 00:55:57,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:55:57,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:55:57,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-84.i [2023-11-12 00:55:57,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/data/e428257ca/97e35c781d924926b4a5750ead42a6da/FLAGc21a63eec [2023-11-12 00:55:58,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/data/e428257ca/97e35c781d924926b4a5750ead42a6da [2023-11-12 00:55:58,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:55:58,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:55:58,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:58,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:55:58,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:55:58,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9fb87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58, skipping insertion in model container [2023-11-12 00:55:58,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,084 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:55:58,284 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_faa88d4b-a414-483a-81fb-bfdfa7a1b589/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-84.i[915,928] [2023-11-12 00:55:58,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:58,427 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:55:58,442 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_faa88d4b-a414-483a-81fb-bfdfa7a1b589/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-84.i[915,928] [2023-11-12 00:55:58,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:58,523 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:55:58,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58 WrapperNode [2023-11-12 00:55:58,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:58,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:58,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:55:58,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:55:58,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,620 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2023-11-12 00:55:58,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:58,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:55:58,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:55:58,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:55:58,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:55:58,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:55:58,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:55:58,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:55:58,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (1/1) ... [2023-11-12 00:55:58,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:58,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:55:58,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:55:58,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:55:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:55:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:55:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:55:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:55:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:55:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:55:58,951 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:55:58,954 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:55:59,697 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:55:59,706 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:55:59,707 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:55:59,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:59 BoogieIcfgContainer [2023-11-12 00:55:59,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:55:59,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:55:59,715 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:55:59,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:55:59,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:55:58" (1/3) ... [2023-11-12 00:55:59,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a245b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:59, skipping insertion in model container [2023-11-12 00:55:59,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:58" (2/3) ... [2023-11-12 00:55:59,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a245b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:59, skipping insertion in model container [2023-11-12 00:55:59,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:59" (3/3) ... [2023-11-12 00:55:59,723 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-84.i [2023-11-12 00:55:59,741 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:55:59,742 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:55:59,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:55:59,806 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;@45d1061c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:55:59,807 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:55:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:55:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-12 00:55:59,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:59,837 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:55:59,841 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:59,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:59,850 INFO L85 PathProgramCache]: Analyzing trace with hash 474270134, now seen corresponding path program 1 times [2023-11-12 00:55:59,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:55:59,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159478244] [2023-11-12 00:55:59,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:59,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:55:59,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:55:59,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:55:59,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:56:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:00,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:56:00,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 00:56:00,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:56:00,394 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:56:00,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159478244] [2023-11-12 00:56:00,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159478244] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:00,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:00,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:56:00,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333919217] [2023-11-12 00:56:00,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:00,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:56:00,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:56:00,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:56:00,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:00,439 INFO L87 Difference]: Start difference. First operand has 64 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 00:56:00,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:00,554 INFO L93 Difference]: Finished difference Result 125 states and 211 transitions. [2023-11-12 00:56:00,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:56:00,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 139 [2023-11-12 00:56:00,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:00,576 INFO L225 Difference]: With dead ends: 125 [2023-11-12 00:56:00,576 INFO L226 Difference]: Without dead ends: 60 [2023-11-12 00:56:00,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:56:00,584 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 90 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:00,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 90 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:56:00,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-12 00:56:00,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-12 00:56:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 00:56:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 88 transitions. [2023-11-12 00:56:00,637 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 88 transitions. Word has length 139 [2023-11-12 00:56:00,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:00,643 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 88 transitions. [2023-11-12 00:56:00,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 00:56:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2023-11-12 00:56:00,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-12 00:56:00,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:00,647 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:00,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:56:00,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:56:00,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:00,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:00,861 INFO L85 PathProgramCache]: Analyzing trace with hash -335076492, now seen corresponding path program 1 times [2023-11-12 00:56:00,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:56:00,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410950406] [2023-11-12 00:56:00,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:00,863 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:56:00,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:56:00,864 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 00:56:00,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa88d4b-a414-483a-81fb-bfdfa7a1b589/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:56:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:01,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-12 00:56:01,217 INFO L285 TraceCheckSpWp]: Computing forward predicates...