./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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 f17fbc4eb3d83723e730df592ecc81500c6ccb0946c2ffaa374248179dc25c23 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:16,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:16,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:20:16,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:16,710 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:16,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:16,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:16,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:16,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:16,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:16,762 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:16,764 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:16,764 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:16,766 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:16,767 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:16,767 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:16,767 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:16,768 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:16,768 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:16,769 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:16,769 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:16,770 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:16,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:16,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:16,772 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:20:16,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:16,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:20:16,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:16,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:16,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:16,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:16,776 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:20:16,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:16,776 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:16,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:16,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:16,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:16,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:16,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:16,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:16,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:16,779 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:16,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:16,780 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:16,781 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:16,781 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:16,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:16,781 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_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f17fbc4eb3d83723e730df592ecc81500c6ccb0946c2ffaa374248179dc25c23 [2023-11-23 21:20:17,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:17,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:17,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:17,111 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:17,112 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:17,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-24.i [2023-11-23 21:20:20,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:20,494 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:20,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-24.i [2023-11-23 21:20:20,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/data/700be028f/83c628c1bd5745dbb8c8f3e0930cae75/FLAG235b6d799 [2023-11-23 21:20:20,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/data/700be028f/83c628c1bd5745dbb8c8f3e0930cae75 [2023-11-23 21:20:20,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:20,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:20,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:20,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:20,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:20,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a72da91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20, skipping insertion in model container [2023-11-23 21:20:20,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:20,721 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_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-24.i[913,926] [2023-11-23 21:20:20,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:20,798 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:20,815 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_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-24.i[913,926] [2023-11-23 21:20:20,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:20,897 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:20,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20 WrapperNode [2023-11-23 21:20:20,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:20,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:20,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:20,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:20,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,975 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207 [2023-11-23 21:20:20,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:20,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:20,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:20,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:20,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:20,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:21,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:21,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:21,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:21,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (1/1) ... [2023-11-23 21:20:21,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:21,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:21,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:21,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:20:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:21,231 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:21,233 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:21,645 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:21,925 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:21,925 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:21,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:21 BoogieIcfgContainer [2023-11-23 21:20:21,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:21,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:21,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:21,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:21,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:20" (1/3) ... [2023-11-23 21:20:21,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3b34cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:21, skipping insertion in model container [2023-11-23 21:20:21,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:20" (2/3) ... [2023-11-23 21:20:21,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3b34cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:21, skipping insertion in model container [2023-11-23 21:20:21,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:21" (3/3) ... [2023-11-23 21:20:21,938 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-24.i [2023-11-23 21:20:21,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:21,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:22,023 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:22,029 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;@6cc63d97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:22,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:22,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:20:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 21:20:22,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:22,047 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:22,047 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:22,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:22,052 INFO L85 PathProgramCache]: Analyzing trace with hash 961345611, now seen corresponding path program 1 times [2023-11-23 21:20:22,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:22,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840341284] [2023-11-23 21:20:22,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:22,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:22,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:20:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:23,157 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:20:23,159 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:20:23,161 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:20:23,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:20:23,186 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:20:23,191 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:20:23,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:20:23 BoogieIcfgContainer [2023-11-23 21:20:23,344 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:20:23,346 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:20:23,347 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:20:23,347 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:20:23,347 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:21" (3/4) ... [2023-11-23 21:20:23,353 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:20:23,355 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:20:23,356 INFO L158 Benchmark]: Toolchain (without parser) took 2830.55ms. Allocated memory is still 140.5MB. Free memory was 102.5MB in the beginning and 104.3MB in the end (delta: -1.8MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2023-11-23 21:20:23,357 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:23,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.32ms. Allocated memory is still 140.5MB. Free memory was 102.4MB in the beginning and 88.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:20:23,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.64ms. Allocated memory is still 140.5MB. Free memory was 88.6MB in the beginning and 85.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:20:23,362 INFO L158 Benchmark]: Boogie Preprocessor took 46.56ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 84.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:20:23,366 INFO L158 Benchmark]: RCFGBuilder took 903.42ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 71.0MB in the end (delta: 13.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-23 21:20:23,368 INFO L158 Benchmark]: TraceAbstraction took 1414.71ms. Allocated memory is still 140.5MB. Free memory was 70.2MB in the beginning and 104.3MB in the end (delta: -34.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 21:20:23,369 INFO L158 Benchmark]: Witness Printer took 8.75ms. Allocated memory is still 140.5MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:23,373 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.32ms. Allocated memory is still 140.5MB. Free memory was 102.4MB in the beginning and 88.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.64ms. Allocated memory is still 140.5MB. Free memory was 88.6MB in the beginning and 85.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.56ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 84.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 903.42ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 71.0MB in the end (delta: 13.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1414.71ms. Allocated memory is still 140.5MB. Free memory was 70.2MB in the beginning and 104.3MB in the end (delta: -34.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 8.75ms. Allocated memory is still 140.5MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 149, overapproximation of someBinaryArithmeticDOUBLEoperation at line 50, overapproximation of bitwiseAnd at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 15.8; [L23] signed long int var_1_2 = -10; [L24] signed long int var_1_3 = 5; [L25] double var_1_4 = 10.5; [L26] double var_1_5 = 1.55; [L27] unsigned char var_1_6 = 1; [L28] unsigned char var_1_7 = 1; [L29] signed char var_1_8 = -10; [L30] signed long int var_1_9 = -2; [L31] signed char var_1_10 = -16; [L32] signed char var_1_11 = -4; [L33] signed char var_1_12 = -16; [L34] double var_1_13 = 128.55; [L35] double var_1_14 = 2.3; [L36] double var_1_15 = 4.8; [L37] unsigned long int var_1_16 = 0; [L38] signed long int var_1_17 = 5; [L39] signed long int var_1_18 = 256; [L40] unsigned long int var_1_19 = 50; [L41] unsigned long int var_1_20 = 1; [L42] signed short int var_1_21 = -50; [L43] signed char var_1_22 = -4; [L44] unsigned char var_1_23 = 1; [L45] unsigned char var_1_24 = 0; [L153] isInitial = 1 [L154] FCALL initially() [L155] COND TRUE 1 [L156] FCALL updateLastVariables() [L157] CALL updateVariables() [L95] var_1_2 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=5, var_1_4=21/2, var_1_5=31/20, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=5, var_1_4=21/2, var_1_5=31/20, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L97] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=5, var_1_4=21/2, var_1_5=31/20, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=5, var_1_4=21/2, var_1_5=31/20, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L98] var_1_3 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_4=21/2, var_1_5=31/20, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_4=21/2, var_1_5=31/20, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L100] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_4=21/2, var_1_5=31/20, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_4=21/2, var_1_5=31/20, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L101] var_1_4 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_5=31/20, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_5=31/20, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L103] var_1_5 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L105] var_1_6 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_7=1, var_1_8=-10, var_1_9=-2] [L107] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=-2] [L108] var_1_7 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_8=-10, var_1_9=-2] [L110] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=-2] [L111] var_1_9 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L113] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L114] var_1_10 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_10 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_10 >= -63) VAL [isInitial=1, var_1_10=6, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L116] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, var_1_10=6, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L117] var_1_11 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_11 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_11 >= -31) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L119] CALL assume_abort_if_not(var_1_11 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 <= 32) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L120] var_1_12 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L122] CALL assume_abort_if_not(var_1_12 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_12 <= 31) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L123] var_1_14 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L125] var_1_15 = __VERIFIER_nondet_double() [L126] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L127] var_1_17 = __VERIFIER_nondet_long() [L128] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L129] CALL assume_abort_if_not(var_1_17 <= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_17 <= 1073741824) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L130] var_1_18 = __VERIFIER_nondet_long() [L131] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L132] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L133] var_1_19 = __VERIFIER_nondet_ulong() [L134] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L135] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L136] var_1_20 = __VERIFIER_nondet_ulong() [L137] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L138] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L139] var_1_22 = __VERIFIER_nondet_char() [L140] CALL assume_abort_if_not(var_1_22 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=0, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_22 >= -128) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=0, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L141] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=0, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=0, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L142] var_1_24 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=0, var_1_23=1, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=0, var_1_23=1, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L144] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=0, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=0, var_1_23=1, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L157] RET updateVariables() [L158] CALL step() [L49] COND TRUE var_1_2 >= var_1_3 [L50] var_1_1 = (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) [L56] COND TRUE var_1_3 <= ((((var_1_2) < (var_1_9)) ? (var_1_2) : (var_1_9))) [L57] COND TRUE \read(var_1_7) [L58] var_1_8 = (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))) [L63] COND FALSE !(128u >= var_1_9) [L70] COND FALSE !(\read(var_1_6)) [L74] COND TRUE var_1_2 >= ((1329162249 - var_1_17) - var_1_18) [L75] var_1_16 = (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20) [L83] COND TRUE ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_3) [L84] EXPR var_1_18 & var_1_22 [L84] COND FALSE !(var_1_11 >= (var_1_18 & var_1_22)) [L87] COND TRUE var_1_19 < var_1_9 [L88] var_1_21 = 64 [L92] var_1_23 = var_1_24 [L158] RET step() [L159] CALL, EXPR property() [L149] EXPR (((((var_1_2 >= var_1_3) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_6 || var_1_7) ? (var_1_1 == ((double) 128.75)) : 1)) && ((var_1_3 <= ((((var_1_2) < (var_1_9)) ? (var_1_2) : (var_1_9)))) ? (var_1_7 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_9) ? ((! var_1_6) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_6 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_2 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_7 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_3)) ? ((var_1_11 >= (var_1_18 & var_1_22)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_9) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1) [L149-L150] return ((((((var_1_2 >= var_1_3) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_6 || var_1_7) ? (var_1_1 == ((double) 128.75)) : 1)) && ((var_1_3 <= ((((var_1_2) < (var_1_9)) ? (var_1_2) : (var_1_9)))) ? (var_1_7 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_9) ? ((! var_1_6) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_6 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_2 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_7 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_3)) ? ((var_1_11 >= (var_1_18 & var_1_22)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_9) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1)) && (var_1_23 == ((unsigned char) var_1_24)) ; [L159] RET, EXPR property() [L159] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_14=2571/20, var_1_16=31, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=515/4, var_1_20=0, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_5=2571/20, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=6, var_1_11=-25, var_1_12=31, var_1_13=2571/20, var_1_14=2571/20, var_1_16=31, var_1_17=31, var_1_18=31, var_1_19=31, var_1_1=515/4, var_1_20=0, var_1_21=64, var_1_22=0, var_1_23=0, var_1_24=0, var_1_2=1329162187, var_1_3=56, var_1_5=2571/20, var_1_6=0, var_1_7=1, var_1_8=-10, var_1_9=1329162187] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 32, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 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 21:20:23,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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 f17fbc4eb3d83723e730df592ecc81500c6ccb0946c2ffaa374248179dc25c23 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:26,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:26,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:20:26,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:26,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:26,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:26,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:26,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:26,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:26,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:26,342 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:26,342 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:26,343 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:26,343 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:26,344 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:26,344 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:26,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:26,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:26,346 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:20:26,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:20:26,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:26,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:26,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:26,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:26,348 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:20:26,349 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:20:26,349 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:20:26,349 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:20:26,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:26,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:26,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:26,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:20:26,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:26,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:26,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:26,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:26,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:26,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:26,354 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:20:26,355 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:20:26,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:26,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:26,355 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:26,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:26,356 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_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f17fbc4eb3d83723e730df592ecc81500c6ccb0946c2ffaa374248179dc25c23 [2023-11-23 21:20:26,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:26,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:26,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:26,785 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:26,785 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:26,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-24.i [2023-11-23 21:20:30,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:30,319 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:30,319 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-24.i [2023-11-23 21:20:30,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/data/348dda722/3d8d0b3354bc4bc482bf64f1298e0d18/FLAG636078f5e [2023-11-23 21:20:30,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/data/348dda722/3d8d0b3354bc4bc482bf64f1298e0d18 [2023-11-23 21:20:30,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:30,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:30,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:30,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:30,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:30,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d784049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30, skipping insertion in model container [2023-11-23 21:20:30,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,393 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:30,547 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_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-24.i[913,926] [2023-11-23 21:20:30,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:30,623 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:30,636 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_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-24.i[913,926] [2023-11-23 21:20:30,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:30,704 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:30,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30 WrapperNode [2023-11-23 21:20:30,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:30,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:30,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:30,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:30,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,811 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2023-11-23 21:20:30,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:30,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:30,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:30,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:30,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:30,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:30,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:30,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:30,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (1/1) ... [2023-11-23 21:20:30,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:30,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:30,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:30,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:20:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:31,085 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:31,087 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:33,612 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:33,686 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:33,686 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:33,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:33 BoogieIcfgContainer [2023-11-23 21:20:33,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:33,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:33,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:33,695 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:33,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:30" (1/3) ... [2023-11-23 21:20:33,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a99e5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:33, skipping insertion in model container [2023-11-23 21:20:33,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:30" (2/3) ... [2023-11-23 21:20:33,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a99e5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:33, skipping insertion in model container [2023-11-23 21:20:33,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:33" (3/3) ... [2023-11-23 21:20:33,698 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-24.i [2023-11-23 21:20:33,712 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:33,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:33,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:33,773 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;@597fc454, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:33,773 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:33,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:20:33,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-23 21:20:33,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:33,798 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:33,799 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:33,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:33,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2129872515, now seen corresponding path program 1 times [2023-11-23 21:20:33,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:20:33,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622675566] [2023-11-23 21:20:33,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:33,821 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 21:20:33,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:20:33,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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 21:20:33,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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 21:20:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:34,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:20:34,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:20:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 942 proven. 0 refuted. 0 times theorem prover too weak. 1042 trivial. 0 not checked. [2023-11-23 21:20:34,421 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:20:34,422 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:20:34,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [622675566] [2023-11-23 21:20:34,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [622675566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:34,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:34,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:20:34,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649381295] [2023-11-23 21:20:34,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:34,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:20:34,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:20:34,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:20:34,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:20:34,481 INFO L87 Difference]: Start difference. First operand has 75 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) 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, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 21:20:35,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:35,482 INFO L93 Difference]: Finished difference Result 147 states and 272 transitions. [2023-11-23 21:20:35,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:20:35,504 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, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 189 [2023-11-23 21:20:35,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:35,511 INFO L225 Difference]: With dead ends: 147 [2023-11-23 21:20:35,511 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 21:20:35,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 188 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 21:20:35,520 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:35,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 21:20:35,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 21:20:35,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 21:20:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:20:35,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 116 transitions. [2023-11-23 21:20:35,572 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 116 transitions. Word has length 189 [2023-11-23 21:20:35,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:35,573 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 116 transitions. [2023-11-23 21:20:35,573 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, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 21:20:35,573 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 116 transitions. [2023-11-23 21:20:35,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-23 21:20:35,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:35,579 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:35,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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)] Ended with exit code 0 [2023-11-23 21:20:35,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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 21:20:35,789 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:35,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:35,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1257633419, now seen corresponding path program 1 times [2023-11-23 21:20:35,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:20:35,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704197196] [2023-11-23 21:20:35,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:35,791 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 21:20:35,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:20:35,796 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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 21:20:35,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eecb53-0de4-4a5e-a90f-5f888bbefcdb/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 21:20:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:36,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 21:20:36,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:12,137 WARN L293 SmtUtils]: Spent 9.18s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)