./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire --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 f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:23,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:23,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:10:23,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:23,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:23,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:23,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:23,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:23,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:23,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:23,572 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:23,573 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:23,574 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:23,575 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:23,576 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:23,577 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:23,578 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:23,578 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:23,579 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:23,580 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:23,581 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:23,582 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:23,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:23,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:23,585 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:23,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:23,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:23,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:23,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:23,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:23,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:23,591 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:23,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:23,619 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:23,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:23,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:23,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:23,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:23,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:23,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:23,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:23,624 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:23,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:23,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:23,625 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:23,626 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:23,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:23,626 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_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba [2023-11-23 21:10:24,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:24,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:24,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:24,160 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:24,160 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:24,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2023-11-23 21:10:27,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:28,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:28,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2023-11-23 21:10:28,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/data/fcb0f48a0/7797d775a20e4f978732573f452c7c8a/FLAG48befae43 [2023-11-23 21:10:28,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/data/fcb0f48a0/7797d775a20e4f978732573f452c7c8a [2023-11-23 21:10:28,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:28,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:28,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:28,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:28,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:28,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac38f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28, skipping insertion in model container [2023-11-23 21:10:28,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,345 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:28,535 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_8ff171e4-f20e-4f64-add9-31fda9412c1d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2023-11-23 21:10:28,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:28,646 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:28,663 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_8ff171e4-f20e-4f64-add9-31fda9412c1d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2023-11-23 21:10:28,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:28,739 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:28,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28 WrapperNode [2023-11-23 21:10:28,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:28,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:28,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:28,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:28,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,860 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2023-11-23 21:10:28,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:28,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:28,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:28,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:28,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:28,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:28,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:28,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:28,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (1/1) ... [2023-11-23 21:10:28,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:28,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:28,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:29,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:29,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:29,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:10:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:29,269 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:29,272 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:29,820 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:30,274 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:30,275 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:30,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:30 BoogieIcfgContainer [2023-11-23 21:10:30,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:30,282 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:30,282 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:30,286 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:30,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:28" (1/3) ... [2023-11-23 21:10:30,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f44d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:30, skipping insertion in model container [2023-11-23 21:10:30,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:28" (2/3) ... [2023-11-23 21:10:30,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f44d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:30, skipping insertion in model container [2023-11-23 21:10:30,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:30" (3/3) ... [2023-11-23 21:10:30,294 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-34.i [2023-11-23 21:10:30,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:30,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:30,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:30,391 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;@214723, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:30,392 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:10:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-23 21:10:30,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:30,416 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:30,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:30,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:30,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1764948646, now seen corresponding path program 1 times [2023-11-23 21:10:30,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:30,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386648448] [2023-11-23 21:10:30,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:30,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:30,687 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:10:30,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881734539] [2023-11-23 21:10:30,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:30,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:10:30,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:30,691 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:10:30,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:10:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:31,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:10:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:31,800 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:10:31,804 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:10:31,805 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:10:31,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:10:32,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:10:32,023 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:10:32,027 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:10:32,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:10:32 BoogieIcfgContainer [2023-11-23 21:10:32,149 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:10:32,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:10:32,150 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:10:32,150 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:10:32,153 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:30" (3/4) ... [2023-11-23 21:10:32,156 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:10:32,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:10:32,159 INFO L158 Benchmark]: Toolchain (without parser) took 3869.85ms. Allocated memory is still 163.6MB. Free memory was 136.4MB in the beginning and 81.6MB in the end (delta: 54.8MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2023-11-23 21:10:32,160 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 99.0MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:32,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.74ms. Allocated memory is still 163.6MB. Free memory was 135.6MB in the beginning and 121.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:10:32,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.75ms. Allocated memory is still 163.6MB. Free memory was 121.9MB in the beginning and 116.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:10:32,162 INFO L158 Benchmark]: Boogie Preprocessor took 60.68ms. Allocated memory is still 163.6MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:10:32,163 INFO L158 Benchmark]: RCFGBuilder took 1353.66ms. Allocated memory is still 163.6MB. Free memory was 114.8MB in the beginning and 126.6MB in the end (delta: -11.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-11-23 21:10:32,164 INFO L158 Benchmark]: TraceAbstraction took 1866.77ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 81.6MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 21:10:32,164 INFO L158 Benchmark]: Witness Printer took 8.21ms. Allocated memory is still 163.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:32,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 99.0MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.74ms. Allocated memory is still 163.6MB. Free memory was 135.6MB in the beginning and 121.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.75ms. Allocated memory is still 163.6MB. Free memory was 121.9MB in the beginning and 116.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.68ms. Allocated memory is still 163.6MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1353.66ms. Allocated memory is still 163.6MB. Free memory was 114.8MB in the beginning and 126.6MB in the end (delta: -11.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1866.77ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 81.6MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 8.21ms. Allocated memory is still 163.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 128; [L23] unsigned char var_1_2 = 1; [L24] unsigned short int var_1_3 = 256; [L25] unsigned short int var_1_4 = 16; [L26] unsigned short int var_1_5 = 64; [L27] unsigned short int var_1_6 = 8; [L28] unsigned long int var_1_7 = 16; [L29] unsigned long int var_1_8 = 16; [L30] unsigned long int var_1_9 = 32; [L31] unsigned char var_1_10 = 16; [L32] unsigned char var_1_11 = 8; [L33] unsigned char var_1_12 = 64; [L34] unsigned char var_1_13 = 1; [L35] signed long int var_1_14 = -200; [L36] signed short int var_1_15 = 0; [L37] signed short int var_1_16 = 24637; [L38] signed short int var_1_17 = 100; [L39] unsigned char var_1_18 = 1; [L40] unsigned char var_1_19 = 1; [L41] signed long int var_1_20 = 10; [L42] signed long int var_1_21 = -256; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L95] var_1_2 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_3=256, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_3=256, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L97] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_3=256, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_3=256, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L98] var_1_3 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L100] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L101] var_1_4 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L103] CALL assume_abort_if_not(var_1_4 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_4 <= 65535) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L104] var_1_5 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L106] CALL assume_abort_if_not(var_1_5 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_5 <= 65535) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L107] var_1_6 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_8=16, var_1_9=32] [L109] CALL assume_abort_if_not(var_1_6 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_6 <= 65535) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_8=16, var_1_9=32] [L110] var_1_8 = __VERIFIER_nondet_ulong() [L111] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=32] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=32] [L112] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=32] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=32] [L113] var_1_9 = __VERIFIER_nondet_ulong() [L114] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16] [L115] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16] [L116] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L117] var_1_11 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=16, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L119] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=0, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, var_1_10=16, var_1_11=0, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L120] var_1_12 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=0, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=0, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L122] CALL assume_abort_if_not(var_1_12 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_12 <= 64) VAL [isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L123] var_1_13 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L125] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L126] var_1_16 = __VERIFIER_nondet_short() [L127] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L128] CALL assume_abort_if_not(var_1_16 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_16 <= 32766) VAL [isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L129] var_1_19 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L131] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=1, var_1_7=16, var_1_9=61] [L132] var_1_21 = __VERIFIER_nondet_long() [L133] CALL assume_abort_if_not(var_1_21 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-2147483647, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_21 >= -2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-2147483647, var_1_2=1, var_1_7=16, var_1_9=61] [L134] CALL assume_abort_if_not(var_1_21 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-2147483647, var_1_2=1, var_1_7=16, var_1_9=61] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_21 <= 2147483646) VAL [isInitial=1, var_1_10=16, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=-200, var_1_15=0, var_1_16=16447, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-2147483647, var_1_2=1, var_1_7=16, var_1_9=61] [L147] RET updateVariables() [L148] CALL step() [L46] COND TRUE \read(var_1_2) [L47] COND TRUE var_1_3 <= ((var_1_4 + var_1_5) + var_1_6) [L48] var_1_1 = ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) [L51] unsigned short int stepLocal_1 = var_1_6; [L52] unsigned long int stepLocal_0 = var_1_8 + var_1_4; [L53] COND TRUE stepLocal_1 == var_1_3 [L54] COND FALSE !(stepLocal_0 > (var_1_1 % var_1_9)) [L57] var_1_7 = var_1_4 [L60] unsigned long int stepLocal_2 = var_1_9; [L61] COND TRUE ((- var_1_7) + var_1_3) >= stepLocal_2 [L62] var_1_10 = (var_1_11 + (var_1_12 + var_1_13)) [L64] COND TRUE \read(var_1_2) [L65] var_1_14 = var_1_12 [L69] EXPR var_1_4 | var_1_9 [L69] EXPR ((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)) [L69] EXPR var_1_4 | var_1_9 [L69] EXPR ((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)) [L69] unsigned long int stepLocal_3 = (((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9))); [L70] COND TRUE stepLocal_3 > var_1_13 [L71] var_1_15 = (((((var_1_13 + var_1_11)) > (var_1_12)) ? ((var_1_13 + var_1_11)) : (var_1_12))) [L75] unsigned short int stepLocal_6 = var_1_5; [L76] unsigned long int stepLocal_5 = var_1_7; [L77] unsigned char stepLocal_4 = var_1_13; [L78] COND TRUE stepLocal_4 > var_1_7 [L79] COND FALSE !(stepLocal_5 <= 32u) [L86] var_1_17 = var_1_11 [L89] COND FALSE !(var_1_3 > var_1_12) [L92] var_1_20 = var_1_21 [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR ((((var_1_2 ? ((var_1_3 <= ((var_1_4 + var_1_5) + var_1_6)) ? (var_1_1 == ((signed long int) ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1) : 1) && ((var_1_6 == var_1_3) ? (((var_1_8 + var_1_4) > (var_1_1 % var_1_9)) ? (var_1_7 == ((unsigned long int) var_1_3)) : (var_1_7 == ((unsigned long int) var_1_4))) : 1)) && ((((- var_1_7) + var_1_3) >= var_1_9) ? (var_1_10 == ((unsigned char) (var_1_11 + (var_1_12 + var_1_13)))) : 1)) && (var_1_2 ? (var_1_14 == ((signed long int) var_1_12)) : (var_1_14 == ((signed long int) 64)))) && ((((((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)))) > var_1_13) ? (var_1_15 == ((signed short int) (((((var_1_13 + var_1_11)) > (var_1_12)) ? ((var_1_13 + var_1_11)) : (var_1_12))))) : (var_1_15 == ((signed short int) (var_1_13 - ((((var_1_10) > ((var_1_16 - var_1_11))) ? (var_1_10) : ((var_1_16 - var_1_11)))))))) [L139] EXPR var_1_4 | var_1_9 [L139] EXPR ((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)) [L139] EXPR var_1_4 | var_1_9 [L139] EXPR ((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)) [L139] EXPR ((((var_1_2 ? ((var_1_3 <= ((var_1_4 + var_1_5) + var_1_6)) ? (var_1_1 == ((signed long int) ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1) : 1) && ((var_1_6 == var_1_3) ? (((var_1_8 + var_1_4) > (var_1_1 % var_1_9)) ? (var_1_7 == ((unsigned long int) var_1_3)) : (var_1_7 == ((unsigned long int) var_1_4))) : 1)) && ((((- var_1_7) + var_1_3) >= var_1_9) ? (var_1_10 == ((unsigned char) (var_1_11 + (var_1_12 + var_1_13)))) : 1)) && (var_1_2 ? (var_1_14 == ((signed long int) var_1_12)) : (var_1_14 == ((signed long int) 64)))) && ((((((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)))) > var_1_13) ? (var_1_15 == ((signed short int) (((((var_1_13 + var_1_11)) > (var_1_12)) ? ((var_1_13 + var_1_11)) : (var_1_12))))) : (var_1_15 == ((signed short int) (var_1_13 - ((((var_1_10) > ((var_1_16 - var_1_11))) ? (var_1_10) : ((var_1_16 - var_1_11)))))))) [L139-L140] return (((((((var_1_2 ? ((var_1_3 <= ((var_1_4 + var_1_5) + var_1_6)) ? (var_1_1 == ((signed long int) ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1) : 1) && ((var_1_6 == var_1_3) ? (((var_1_8 + var_1_4) > (var_1_1 % var_1_9)) ? (var_1_7 == ((unsigned long int) var_1_3)) : (var_1_7 == ((unsigned long int) var_1_4))) : 1)) && ((((- var_1_7) + var_1_3) >= var_1_9) ? (var_1_10 == ((unsigned char) (var_1_11 + (var_1_12 + var_1_13)))) : 1)) && (var_1_2 ? (var_1_14 == ((signed long int) var_1_12)) : (var_1_14 == ((signed long int) 64)))) && ((((((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)))) > var_1_13) ? (var_1_15 == ((signed short int) (((((var_1_13 + var_1_11)) > (var_1_12)) ? ((var_1_13 + var_1_11)) : (var_1_12))))) : (var_1_15 == ((signed short int) (var_1_13 - ((((var_1_10) > ((var_1_16 - var_1_11))) ? (var_1_10) : ((var_1_16 - var_1_11))))))))) && ((var_1_13 > var_1_7) ? ((var_1_7 <= 32u) ? ((var_1_4 <= var_1_5) ? (var_1_17 == ((signed short int) var_1_16)) : (var_1_17 == ((signed short int) -50))) : (var_1_17 == ((signed short int) var_1_11))) : 1)) && ((var_1_3 > var_1_12) ? (var_1_18 == ((unsigned char) (! var_1_19))) : 1)) && (var_1_20 == ((signed long int) var_1_21)) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=63, var_1_16=16447, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=-2147483647, var_1_21=-2147483647, var_1_2=1, var_1_3=0, var_1_4=62, var_1_5=0, var_1_6=0, var_1_7=62, var_1_8=4294967234, var_1_9=61] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=63, var_1_11=0, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=63, var_1_16=16447, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=0, var_1_20=-2147483647, var_1_21=-2147483647, var_1_2=1, var_1_3=0, var_1_4=62, var_1_5=0, var_1_6=0, var_1_7=62, var_1_8=4294967234, var_1_9=61] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 27, 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=49occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 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 [2023-11-23 21:10:32,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire --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 f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:35,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:35,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:10:35,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:35,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:35,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:35,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:35,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:35,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:35,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:35,551 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:35,552 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:35,552 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:35,554 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:35,555 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:35,556 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:35,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:35,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:35,559 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:35,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:35,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:35,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:35,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:35,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:35,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:10:35,564 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:10:35,564 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:10:35,565 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:35,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:35,566 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:35,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:35,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:10:35,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:35,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:35,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:35,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:35,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:35,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:35,570 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:10:35,572 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:35,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:35,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:35,573 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:35,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:35,574 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_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba [2023-11-23 21:10:36,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:36,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:36,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:36,113 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:36,114 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:36,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2023-11-23 21:10:39,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:39,706 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:39,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2023-11-23 21:10:39,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/data/796b2df65/688b6d43c42740858e875d1ce434de25/FLAG4516cb227 [2023-11-23 21:10:39,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/data/796b2df65/688b6d43c42740858e875d1ce434de25 [2023-11-23 21:10:39,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:39,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:39,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:39,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:39,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:39,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:39" (1/1) ... [2023-11-23 21:10:39,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272b8042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:39, skipping insertion in model container [2023-11-23 21:10:39,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:39" (1/1) ... [2023-11-23 21:10:39,788 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:39,995 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_8ff171e4-f20e-4f64-add9-31fda9412c1d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2023-11-23 21:10:40,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:40,120 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:40,141 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_8ff171e4-f20e-4f64-add9-31fda9412c1d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2023-11-23 21:10:40,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:40,214 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:40,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40 WrapperNode [2023-11-23 21:10:40,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:40,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:40,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:40,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:40,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (1/1) ... [2023-11-23 21:10:40,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (1/1) ... [2023-11-23 21:10:40,296 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-23 21:10:40,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:40,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:40,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:40,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:40,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (1/1) ... [2023-11-23 21:10:40,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (1/1) ... [2023-11-23 21:10:40,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (1/1) ... [2023-11-23 21:10:40,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (1/1) ... [2023-11-23 21:10:40,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (1/1) ... [2023-11-23 21:10:40,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (1/1) ... [2023-11-23 21:10:40,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (1/1) ... [2023-11-23 21:10:40,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (1/1) ... [2023-11-23 21:10:40,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:40,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:40,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:40,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:40,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (1/1) ... [2023-11-23 21:10:40,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:40,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:40,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:40,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:10:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:40,654 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:40,658 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:41,110 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:41,228 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:41,232 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:41,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:41 BoogieIcfgContainer [2023-11-23 21:10:41,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:41,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:41,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:41,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:41,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:39" (1/3) ... [2023-11-23 21:10:41,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddd06ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:41, skipping insertion in model container [2023-11-23 21:10:41,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:40" (2/3) ... [2023-11-23 21:10:41,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddd06ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:41, skipping insertion in model container [2023-11-23 21:10:41,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:41" (3/3) ... [2023-11-23 21:10:41,248 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-34.i [2023-11-23 21:10:41,269 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:41,269 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:41,329 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:41,336 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;@286b4894, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:41,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:41,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:10:41,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 21:10:41,361 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:41,362 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:41,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:41,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:41,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1349363523, now seen corresponding path program 1 times [2023-11-23 21:10:41,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:41,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949161402] [2023-11-23 21:10:41,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:41,386 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 [2023-11-23 21:10:41,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:41,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:41,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:41,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:10:41,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 724 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2023-11-23 21:10:41,744 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:41,745 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:41,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949161402] [2023-11-23 21:10:41,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949161402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:41,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:41,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:10:41,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379410920] [2023-11-23 21:10:41,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:41,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:10:41,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:41,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:10:41,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:41,794 INFO L87 Difference]: Start difference. First operand has 68 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:10:41,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:41,905 INFO L93 Difference]: Finished difference Result 133 states and 241 transitions. [2023-11-23 21:10:41,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:10:41,912 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 164 [2023-11-23 21:10:41,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:41,920 INFO L225 Difference]: With dead ends: 133 [2023-11-23 21:10:41,921 INFO L226 Difference]: Without dead ends: 66 [2023-11-23 21:10:41,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:41,929 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:41,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:10:41,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-23 21:10:42,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-23 21:10:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:10:42,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 103 transitions. [2023-11-23 21:10:42,037 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 103 transitions. Word has length 164 [2023-11-23 21:10:42,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:42,039 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 103 transitions. [2023-11-23 21:10:42,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 21:10:42,041 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2023-11-23 21:10:42,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 21:10:42,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:42,050 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:42,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:42,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:42,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:42,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:42,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1071429307, now seen corresponding path program 1 times [2023-11-23 21:10:42,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:42,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413690165] [2023-11-23 21:10:42,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:42,260 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 [2023-11-23 21:10:42,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:42,291 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:42,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:42,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:10:42,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-23 21:10:42,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:42,616 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:42,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413690165] [2023-11-23 21:10:42,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413690165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:42,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:42,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:42,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140208076] [2023-11-23 21:10:42,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:42,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:42,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:42,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:42,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:42,621 INFO L87 Difference]: Start difference. First operand 66 states and 103 transitions. 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:42,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:42,729 INFO L93 Difference]: Finished difference Result 150 states and 233 transitions. [2023-11-23 21:10:42,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:42,734 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 164 [2023-11-23 21:10:42,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:42,737 INFO L225 Difference]: With dead ends: 150 [2023-11-23 21:10:42,738 INFO L226 Difference]: Without dead ends: 85 [2023-11-23 21:10:42,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:42,741 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 22 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:42,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 193 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:10:42,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-23 21:10:42,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 72. [2023-11-23 21:10:42,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 21:10:42,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 112 transitions. [2023-11-23 21:10:42,772 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 112 transitions. Word has length 164 [2023-11-23 21:10:42,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:42,775 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 112 transitions. [2023-11-23 21:10:42,775 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 21:10:42,775 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-11-23 21:10:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-23 21:10:42,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:42,780 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:42,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:42,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:42,986 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:42,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:42,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1751487677, now seen corresponding path program 1 times [2023-11-23 21:10:42,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:42,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337387432] [2023-11-23 21:10:42,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:42,989 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 [2023-11-23 21:10:42,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:42,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:42,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff171e4-f20e-4f64-add9-31fda9412c1d/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:10:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:43,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 21:10:43,229 INFO L285 TraceCheckSpWp]: Computing forward predicates...