./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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 2742618236344de2a1c49191b16e321a1090d0faa3059c031064b50104e40b18 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:00,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:00,621 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:13:00,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:00,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:00,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:00,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:00,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:00,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:00,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:00,658 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:00,659 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:00,659 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:00,660 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:13:00,660 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:00,661 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:00,661 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:13:00,662 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:13:00,663 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:00,663 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:13:00,664 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:13:00,665 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:13:00,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:00,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:00,667 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:13:00,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:13:00,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:13:00,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:00,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:00,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:00,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:00,671 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:13:00,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:00,672 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:00,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:00,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:00,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:00,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:00,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:00,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:00,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:00,677 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:13:00,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:13:00,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:00,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:00,678 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:00,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:00,679 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_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2742618236344de2a1c49191b16e321a1090d0faa3059c031064b50104e40b18 [2023-11-23 21:13:00,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:00,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:00,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:00,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:00,983 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:00,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-24.i [2023-11-23 21:13:04,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:04,368 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:04,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-24.i [2023-11-23 21:13:04,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/data/a7dc4afda/4b8a27146e7c4cc788eaa1599993cb3c/FLAG289ed3659 [2023-11-23 21:13:04,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/data/a7dc4afda/4b8a27146e7c4cc788eaa1599993cb3c [2023-11-23 21:13:04,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:04,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:04,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:04,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:04,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:04,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1706f8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04, skipping insertion in model container [2023-11-23 21:13:04,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:04,664 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_102ce123-1f7a-4baf-851a-3a6dd480a0e1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-24.i[917,930] [2023-11-23 21:13:04,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:04,780 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:04,793 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_102ce123-1f7a-4baf-851a-3a6dd480a0e1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-24.i[917,930] [2023-11-23 21:13:04,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:04,841 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:04,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04 WrapperNode [2023-11-23 21:13:04,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:04,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:04,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:04,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:04,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,897 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-23 21:13:04,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:04,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:04,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:04,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:04,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:04,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:04,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:04,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:04,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (1/1) ... [2023-11-23 21:13:04,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:04,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:04,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:04,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:13:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:05,114 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:05,117 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:05,543 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:05,845 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:05,845 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:13:05,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:05 BoogieIcfgContainer [2023-11-23 21:13:05,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:05,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:05,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:05,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:05,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:04" (1/3) ... [2023-11-23 21:13:05,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403919b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:05, skipping insertion in model container [2023-11-23 21:13:05,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:04" (2/3) ... [2023-11-23 21:13:05,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403919b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:05, skipping insertion in model container [2023-11-23 21:13:05,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:05" (3/3) ... [2023-11-23 21:13:05,862 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-24.i [2023-11-23 21:13:05,888 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:05,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:05,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:05,970 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;@6098504a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:05,971 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:05,975 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 21:13:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 21:13:05,990 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:05,991 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 21:13:05,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:05,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:05,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1986902866, now seen corresponding path program 1 times [2023-11-23 21:13:06,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:06,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940125280] [2023-11-23 21:13:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:06,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:06,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:13:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:07,126 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:13:07,129 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:13:07,131 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:13:07,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:13:07,139 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:13:07,145 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:13:07,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:13:07 BoogieIcfgContainer [2023-11-23 21:13:07,286 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:13:07,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:13:07,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:13:07,288 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:13:07,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:05" (3/4) ... [2023-11-23 21:13:07,290 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:13:07,292 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:13:07,293 INFO L158 Benchmark]: Toolchain (without parser) took 2894.35ms. Allocated memory is still 165.7MB. Free memory was 128.1MB in the beginning and 99.9MB in the end (delta: 28.2MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-23 21:13:07,293 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:07,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.66ms. Allocated memory is still 165.7MB. Free memory was 128.1MB in the beginning and 114.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:13:07,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.69ms. Allocated memory is still 165.7MB. Free memory was 114.0MB in the beginning and 111.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:07,295 INFO L158 Benchmark]: Boogie Preprocessor took 37.15ms. Allocated memory is still 165.7MB. Free memory was 111.3MB in the beginning and 109.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:07,296 INFO L158 Benchmark]: RCFGBuilder took 911.60ms. Allocated memory is still 165.7MB. Free memory was 109.8MB in the beginning and 116.8MB in the end (delta: -7.0MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-11-23 21:13:07,296 INFO L158 Benchmark]: TraceAbstraction took 1433.80ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 99.9MB in the end (delta: 16.1MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2023-11-23 21:13:07,297 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 165.7MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:07,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.66ms. Allocated memory is still 165.7MB. Free memory was 128.1MB in the beginning and 114.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.69ms. Allocated memory is still 165.7MB. Free memory was 114.0MB in the beginning and 111.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.15ms. Allocated memory is still 165.7MB. Free memory was 111.3MB in the beginning and 109.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 911.60ms. Allocated memory is still 165.7MB. Free memory was 109.8MB in the beginning and 116.8MB in the end (delta: -7.0MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1433.80ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 99.9MB in the end (delta: 16.1MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 165.7MB. Free memory is still 99.9MB. 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 151, overapproximation of someBinaryArithmeticDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 86. 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; [L155] isInitial = 1 [L156] FCALL initially() [L157] COND TRUE 1 [L158] FCALL updateLastVariables() [L159] CALL updateVariables() [L97] var_1_2 = __VERIFIER_nondet_long() [L98] 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=129, 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) [L98] 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=129, 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] [L99] 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=129, 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) [L99] 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=129, 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] [L100] var_1_3 = __VERIFIER_nondet_long() [L101] 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=129, var_1_3=129, 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) [L101] 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=129, var_1_3=129, 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] [L102] 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=129, var_1_3=129, 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) [L102] 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=129, var_1_3=129, 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] [L103] var_1_4 = __VERIFIER_nondet_double() [L104] 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=129, var_1_3=129, 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) [L104] 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=129, var_1_3=129, var_1_5=31/20, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L105] var_1_5 = __VERIFIER_nondet_double() [L106] 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=129, var_1_3=129, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L106] 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=129, var_1_3=129, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L107] var_1_6 = __VERIFIER_nondet_uchar() [L108] 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=129, var_1_3=129, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L108] 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=129, var_1_3=129, var_1_7=1, var_1_8=-10, var_1_9=-2] [L109] 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=129, var_1_3=129, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L109] 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=129, var_1_3=129, var_1_6=1, var_1_7=1, var_1_8=-10, var_1_9=-2] [L110] var_1_7 = __VERIFIER_nondet_uchar() [L111] 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=129, var_1_3=129, var_1_6=1, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L111] 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=129, var_1_3=129, var_1_6=1, var_1_8=-10, var_1_9=-2] [L112] 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=-2] [L20] COND FALSE !(!cond) [L112] 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=-2] [L113] var_1_9 = __VERIFIER_nondet_long() [L114] 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L114] 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L115] 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L115] 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L116] var_1_10 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_10 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=17, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_10 >= -63) VAL [isInitial=1, var_1_10=17, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L118] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=17, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, var_1_10=17, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L119] var_1_11 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_11 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_11 >= -31) VAL [isInitial=1, var_1_10=17, var_1_11=16, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L121] CALL assume_abort_if_not(var_1_11 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_11 <= 32) VAL [isInitial=1, var_1_10=17, var_1_11=16, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L122] var_1_12 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L124] CALL assume_abort_if_not(var_1_12 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_12 <= 31) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L125] var_1_14 = __VERIFIER_nondet_double() [L126] 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=17, var_1_11=16, var_1_12=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L126] 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=17, var_1_11=16, var_1_12=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L127] var_1_15 = __VERIFIER_nondet_double() [L128] 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=17, var_1_11=16, var_1_12=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L128] 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=17, var_1_11=16, var_1_12=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L129] var_1_17 = __VERIFIER_nondet_long() [L130] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L131] CALL assume_abort_if_not(var_1_17 <= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_17 <= 1073741824) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L132] var_1_18 = __VERIFIER_nondet_long() [L133] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L134] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L135] var_1_19 = __VERIFIER_nondet_ulong() [L136] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L137] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L138] var_1_20 = __VERIFIER_nondet_ulong() [L139] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_21=-50, var_1_22=-4, var_1_23=1, var_1_24=0, var_1_2=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L140] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, 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=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L141] var_1_22 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_22 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=1, var_1_23=1, var_1_24=0, var_1_2=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_22 >= -128) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=1, var_1_23=1, var_1_24=0, var_1_2=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L143] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=1, var_1_23=1, var_1_24=0, var_1_2=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=1, var_1_23=1, var_1_24=0, var_1_2=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L144] var_1_24 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=1, var_1_23=1, var_1_2=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=1, var_1_23=1, var_1_2=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L146] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=1, var_1_23=1, var_1_24=0, var_1_2=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_16=0, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_22=1, var_1_23=1, var_1_24=0, var_1_2=129, var_1_3=129, var_1_6=1, var_1_7=0, var_1_8=-10, var_1_9=128] [L159] RET updateVariables() [L160] CALL step() [L49] unsigned char stepLocal_1 = var_1_7; [L50] signed long int stepLocal_0 = var_1_3; [L51] COND TRUE var_1_2 >= stepLocal_0 [L52] var_1_1 = (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) [L58] COND FALSE !(var_1_3 <= ((((var_1_2) < (var_1_9)) ? (var_1_2) : (var_1_9)))) [L63] var_1_8 = var_1_12 [L65] COND TRUE 128u >= var_1_9 [L66] COND FALSE !(! var_1_6) [L69] var_1_13 = var_1_14 [L76] COND FALSE !(var_1_2 >= ((1329162249 - var_1_17) - var_1_18)) [L79] COND FALSE !(\read(var_1_7)) [L82] var_1_16 = var_1_19 [L85] COND TRUE ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_3) [L86] EXPR var_1_18 & var_1_22 [L86] COND TRUE var_1_11 >= (var_1_18 & var_1_22) [L87] var_1_21 = 8 [L94] var_1_23 = var_1_24 [L160] RET step() [L161] CALL, EXPR property() [L151] 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) [L151-L152] 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)) ; [L161] RET, EXPR property() [L161] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_14=2571/20, var_1_16=127, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_20=0, var_1_21=8, var_1_22=1, var_1_23=0, var_1_24=0, var_1_2=129, var_1_3=129, var_1_5=2571/20, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=128] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=17, var_1_11=16, var_1_12=1, var_1_13=2571/20, var_1_14=2571/20, var_1_16=127, var_1_17=127, var_1_18=1, var_1_19=127, var_1_1=79/5, var_1_20=0, var_1_21=8, var_1_22=1, var_1_23=0, var_1_24=0, var_1_2=129, var_1_3=129, var_1_5=2571/20, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=128] - 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, 0.5s 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 21:13:07,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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 2742618236344de2a1c49191b16e321a1090d0faa3059c031064b50104e40b18 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:10,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:10,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:13:10,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:10,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:10,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:10,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:10,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:10,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:10,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:10,333 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:10,333 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:10,334 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:10,335 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:10,336 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:10,336 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:10,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:10,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:10,338 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:13:10,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:13:10,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:10,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:10,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:10,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:10,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:13:10,342 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:13:10,342 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:13:10,343 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:13:10,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:10,344 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:10,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:10,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:13:10,345 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:10,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:10,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:10,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:10,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:10,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:10,347 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:13:10,348 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:13:10,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:10,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:10,349 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:10,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:10,350 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_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2742618236344de2a1c49191b16e321a1090d0faa3059c031064b50104e40b18 [2023-11-23 21:13:10,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:10,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:10,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:10,758 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:10,759 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:10,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-24.i [2023-11-23 21:13:14,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:14,480 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:14,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-24.i [2023-11-23 21:13:14,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/data/3e73c26e4/3306cedf86034a71936a230b7f56e8da/FLAG24bb29cf3 [2023-11-23 21:13:14,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/data/3e73c26e4/3306cedf86034a71936a230b7f56e8da [2023-11-23 21:13:14,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:14,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:14,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:14,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:14,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:14,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:14,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270a478e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14, skipping insertion in model container [2023-11-23 21:13:14,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:14,560 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:14,725 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_102ce123-1f7a-4baf-851a-3a6dd480a0e1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-24.i[917,930] [2023-11-23 21:13:14,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:14,823 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:14,837 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_102ce123-1f7a-4baf-851a-3a6dd480a0e1/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-24.i[917,930] [2023-11-23 21:13:14,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:14,921 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:14,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14 WrapperNode [2023-11-23 21:13:14,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:14,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:14,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:14,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:14,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:14,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:15,026 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-23 21:13:15,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:15,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:15,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:15,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:15,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:15,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:15,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:15,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:15,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:15,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:15,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:15,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:15,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:15,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:15,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:15,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:15,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (1/1) ... [2023-11-23 21:13:15,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:15,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:15,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:15,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:13:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:15,364 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:15,370 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:18,519 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:18,577 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:18,578 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:13:18,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:18 BoogieIcfgContainer [2023-11-23 21:13:18,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:18,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:18,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:18,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:18,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:14" (1/3) ... [2023-11-23 21:13:18,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189f4a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:18, skipping insertion in model container [2023-11-23 21:13:18,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:14" (2/3) ... [2023-11-23 21:13:18,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189f4a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:18, skipping insertion in model container [2023-11-23 21:13:18,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:18" (3/3) ... [2023-11-23 21:13:18,607 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-24.i [2023-11-23 21:13:18,627 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:18,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:18,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:18,687 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;@3169969f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:18,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:18,692 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 21:13:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-23 21:13:18,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:18,711 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 21:13:18,712 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:18,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:18,718 INFO L85 PathProgramCache]: Analyzing trace with hash 2141482176, now seen corresponding path program 1 times [2023-11-23 21:13:18,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:18,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082704613] [2023-11-23 21:13:18,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:18,733 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 21:13:18,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:18,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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 21:13:18,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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 21:13:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:19,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:13:19,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:19,339 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 21:13:19,339 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:19,340 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:13:19,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082704613] [2023-11-23 21:13:19,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082704613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:19,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:19,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:13:19,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141387616] [2023-11-23 21:13:19,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:19,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:13:19,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:13:19,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:13:19,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:13:19,406 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 21:13:21,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:21,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:21,021 INFO L93 Difference]: Finished difference Result 147 states and 272 transitions. [2023-11-23 21:13:21,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:13:21,046 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 21:13:21,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:21,054 INFO L225 Difference]: With dead ends: 147 [2023-11-23 21:13:21,055 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 21:13:21,059 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 21:13:21,063 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:21,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 21:13:21,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 21:13:21,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 21:13:21,137 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 21:13:21,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 116 transitions. [2023-11-23 21:13:21,152 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 116 transitions. Word has length 189 [2023-11-23 21:13:21,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:21,153 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 116 transitions. [2023-11-23 21:13:21,154 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 21:13:21,154 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 116 transitions. [2023-11-23 21:13:21,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-23 21:13:21,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:21,167 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 21:13:21,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:13:21,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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 21:13:21,377 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:21,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:21,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1269243080, now seen corresponding path program 1 times [2023-11-23 21:13:21,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:21,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890548404] [2023-11-23 21:13:21,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:21,382 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 21:13:21,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:21,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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 21:13:21,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ce123-1f7a-4baf-851a-3a6dd480a0e1/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 21:13:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:21,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 21:13:21,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:02,699 WARN L293 SmtUtils]: Spent 7.90s 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)