./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5 --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 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:58:09,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:58:09,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 18:58:09,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:58:09,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 18:58:09,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:58:09,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 18:58:09,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 18:58:09,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:58:09,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 18:58:09,399 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 18:58:09,400 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 18:58:09,401 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 18:58:09,401 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 18:58:09,402 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 18:58:09,402 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 18:58:09,403 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 18:58:09,403 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 18:58:09,404 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 18:58:09,404 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 18:58:09,405 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 18:58:09,405 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 18:58:09,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:58:09,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:58:09,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:58:09,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:58:09,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:58:09,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:58:09,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:58:09,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:58:09,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:58:09,410 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:58:09,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:58:09,411 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:58:09,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:58:09,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 18:58:09,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 18:58:09,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:58:09,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:58:09,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:58:09,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:58:09,413 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 18:58:09,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:58:09,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 18:58:09,414 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:58:09,414 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 18:58:09,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:58:09,414 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_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e [2023-11-21 18:58:09,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:58:09,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:58:09,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:58:09,684 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:58:09,684 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:58:09,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2023-11-21 18:58:12,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:58:13,113 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:58:13,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2023-11-21 18:58:13,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/data/a48d2ffbd/4d640237a04d4885aa014e19f2f1ec29/FLAG100bbbc67 [2023-11-21 18:58:13,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/data/a48d2ffbd/4d640237a04d4885aa014e19f2f1ec29 [2023-11-21 18:58:13,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:58:13,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:58:13,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:58:13,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:58:13,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:58:13,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc847ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13, skipping insertion in model container [2023-11-21 18:58:13,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,186 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:58:13,335 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_71daa19e-6cc1-476f-adc5-9f6f627aba99/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i[913,926] [2023-11-21 18:58:13,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:58:13,421 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:58:13,434 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_71daa19e-6cc1-476f-adc5-9f6f627aba99/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i[913,926] [2023-11-21 18:58:13,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:58:13,491 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:58:13,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13 WrapperNode [2023-11-21 18:58:13,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:58:13,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:58:13,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:58:13,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:58:13,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,577 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-21 18:58:13,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:58:13,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:58:13,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:58:13,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:58:13,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:58:13,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:58:13,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:58:13,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:58:13,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (1/1) ... [2023-11-21 18:58:13,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:58:13,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 18:58:13,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 18:58:13,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 18:58:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:58:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:58:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:58:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:58:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:58:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:58:13,862 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:58:13,865 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:58:14,509 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:58:14,787 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:58:14,788 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:58:14,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:58:14 BoogieIcfgContainer [2023-11-21 18:58:14,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:58:14,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 18:58:14,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 18:58:14,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 18:58:14,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 06:58:13" (1/3) ... [2023-11-21 18:58:14,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6cba99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:58:14, skipping insertion in model container [2023-11-21 18:58:14,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:13" (2/3) ... [2023-11-21 18:58:14,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6cba99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:58:14, skipping insertion in model container [2023-11-21 18:58:14,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:58:14" (3/3) ... [2023-11-21 18:58:14,804 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-81.i [2023-11-21 18:58:14,824 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 18:58:14,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 18:58:14,878 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 18:58:14,885 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;@2653047a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 18:58:14,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 18:58:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 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) [2023-11-21 18:58:14,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:58:14,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 18:58:14,906 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] [2023-11-21 18:58:14,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 18:58:14,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:58:14,912 INFO L85 PathProgramCache]: Analyzing trace with hash 888895732, now seen corresponding path program 1 times [2023-11-21 18:58:14,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 18:58:14,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079428800] [2023-11-21 18:58:14,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:58:14,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:58:15,209 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 18:58:15,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040920187] [2023-11-21 18:58:15,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:58:15,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 18:58:15,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 18:58:15,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 18:58:15,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 18:58:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:58:15,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:58:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:58:15,778 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-21 18:58:15,781 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 18:58:15,782 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 18:58:15,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-21 18:58:15,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 18:58:15,998 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 18:58:16,002 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 18:58:16,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 06:58:16 BoogieIcfgContainer [2023-11-21 18:58:16,163 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 18:58:16,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:58:16,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:58:16,165 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:58:16,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:58:14" (3/4) ... [2023-11-21 18:58:16,168 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:58:16,171 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:58:16,173 INFO L158 Benchmark]: Toolchain (without parser) took 3028.07ms. Allocated memory is still 203.4MB. Free memory was 156.7MB in the beginning and 104.8MB in the end (delta: 51.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-11-21 18:58:16,174 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 140.5MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:58:16,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.25ms. Allocated memory is still 203.4MB. Free memory was 156.7MB in the beginning and 141.9MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:58:16,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.47ms. Allocated memory is still 203.4MB. Free memory was 141.9MB in the beginning and 137.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:58:16,177 INFO L158 Benchmark]: Boogie Preprocessor took 49.78ms. Allocated memory is still 203.4MB. Free memory was 137.9MB in the beginning and 135.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:58:16,178 INFO L158 Benchmark]: RCFGBuilder took 1160.91ms. Allocated memory is still 203.4MB. Free memory was 135.8MB in the beginning and 158.3MB in the end (delta: -22.6MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2023-11-21 18:58:16,179 INFO L158 Benchmark]: TraceAbstraction took 1369.91ms. Allocated memory is still 203.4MB. Free memory was 158.3MB in the beginning and 105.9MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-21 18:58:16,179 INFO L158 Benchmark]: Witness Printer took 7.28ms. Allocated memory is still 203.4MB. Free memory was 105.9MB in the beginning and 104.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:58:16,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 140.5MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.25ms. Allocated memory is still 203.4MB. Free memory was 156.7MB in the beginning and 141.9MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.47ms. Allocated memory is still 203.4MB. Free memory was 141.9MB in the beginning and 137.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.78ms. Allocated memory is still 203.4MB. Free memory was 137.9MB in the beginning and 135.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1160.91ms. Allocated memory is still 203.4MB. Free memory was 135.8MB in the beginning and 158.3MB in the end (delta: -22.6MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1369.91ms. Allocated memory is still 203.4MB. Free memory was 158.3MB in the beginning and 105.9MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 7.28ms. Allocated memory is still 203.4MB. Free memory was 105.9MB in the beginning and 104.8MB in the end (delta: 1.0MB). 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 bitwiseAnd at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] signed long int var_1_2 = -2; [L24] signed long int var_1_3 = -32; [L25] signed long int var_1_4 = 50; [L26] unsigned char var_1_5 = 128; [L27] unsigned char var_1_6 = 4; [L28] unsigned char var_1_7 = 10; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 1; [L31] unsigned long int var_1_10 = 0; [L32] unsigned short int var_1_11 = 4; [L33] unsigned short int var_1_12 = 54828; [L34] unsigned short int var_1_13 = 61894; [L35] unsigned short int var_1_14 = 10000; [L36] unsigned short int var_1_15 = 10000; [L37] signed short int var_1_16 = 0; [L38] signed char var_1_17 = 32; [L39] signed char var_1_18 = 64; [L40] signed char var_1_19 = 10; [L41] signed char var_1_20 = 8; [L42] signed char var_1_21 = 5; [L43] signed char var_1_22 = 2; [L44] signed char var_1_23 = 64; [L45] signed long int var_1_24 = -5; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L85] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L86] var_1_3 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L89] var_1_4 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L92] var_1_5 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L95] var_1_6 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=0, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=0, var_1_9=1] [L98] var_1_8 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L101] var_1_9 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L104] var_1_12 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_12 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_12 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L107] var_1_13 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L110] var_1_14 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_14 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_14 >= 8191) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_14 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_14 <= 16384) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L113] var_1_15 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_15 >= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 >= 8192) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_15 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L116] var_1_18 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L119] var_1_19 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L122] var_1_20 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L125] var_1_21 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=3, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=3, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L127] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=3, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=3, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L128] var_1_22 = __VERIFIER_nondet_char() [L129] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=3, var_1_22=63, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=3, var_1_22=63, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L130] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=3, var_1_22=63, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=3, var_1_22=63, var_1_23=64, var_1_24=-5, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=10, var_1_8=1, var_1_9=1] [L143] RET updateVariables() [L144] CALL step() [L49] COND FALSE !(var_1_2 != (var_1_3 + var_1_4)) [L52] COND TRUE ((var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) && var_1_8 [L53] var_1_7 = var_1_5 [L61] COND FALSE !(! var_1_9) [L64] COND TRUE \read(var_1_8) [L65] var_1_11 = (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)) [L67] var_1_16 = (var_1_7 - 1) [L68] COND FALSE !(var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5)))) [L71] var_1_17 = (var_1_20 - (var_1_21 + var_1_22)) [L73] EXPR var_1_13 & var_1_2 [L73] COND FALSE !(! ((var_1_13 & var_1_2) != var_1_1)) [L76] COND FALSE !(! var_1_8) [L80] var_1_24 = var_1_12 [L144] RET step() [L145] CALL, EXPR property() [L135] EXPR (((((((var_1_2 != (var_1_3 + var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((var_1_1 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)))) : 1)) && (var_1_16 == ((signed short int) (var_1_7 - 1)))) && ((var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_2) != var_1_1)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1)) [L135] EXPR var_1_13 & var_1_2 [L135] EXPR (((((((var_1_2 != (var_1_3 + var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((var_1_1 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)))) : 1)) && (var_1_16 == ((signed short int) (var_1_7 - 1)))) && ((var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_2) != var_1_1)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1)) [L135-L136] return ((((((((var_1_2 != (var_1_3 + var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((var_1_1 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)))) : 1)) && (var_1_16 == ((signed short int) (var_1_7 - 1)))) && ((var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_2) != var_1_1)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1))) && (var_1_24 == ((signed long int) var_1_12)) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=6, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=126, var_1_17=0, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=3, var_1_22=63, var_1_23=64, var_1_24=32768, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=127, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=6, var_1_12=32768, var_1_13=32767, var_1_14=16384, var_1_15=16383, var_1_16=126, var_1_17=0, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=66, var_1_21=3, var_1_22=63, var_1_23=64, var_1_24=32768, var_1_2=32768, var_1_3=2, var_1_4=32766, var_1_5=127, var_1_6=127, var_1_7=127, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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=57occurred 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 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 [2023-11-21 18:58:16,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5 --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 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:58:18,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:58:18,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-21 18:58:19,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:58:19,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 18:58:19,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:58:19,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 18:58:19,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 18:58:19,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:58:19,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 18:58:19,059 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 18:58:19,059 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 18:58:19,060 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 18:58:19,062 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 18:58:19,062 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 18:58:19,063 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 18:58:19,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:58:19,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:58:19,065 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:58:19,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:58:19,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:58:19,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:58:19,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:58:19,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:58:19,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:58:19,069 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:58:19,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:58:19,070 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:58:19,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:58:19,071 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:58:19,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:58:19,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 18:58:19,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 18:58:19,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 18:58:19,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:58:19,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:58:19,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:58:19,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:58:19,075 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:58:19,076 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:58:19,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 18:58:19,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:58:19,077 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 18:58:19,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:58:19,080 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_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e [2023-11-21 18:58:19,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:58:19,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:58:19,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:58:19,533 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:58:19,533 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:58:19,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2023-11-21 18:58:22,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:58:22,974 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:58:22,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2023-11-21 18:58:22,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/data/9a06ee25f/ba6150927d5e4ec98d492d44add78539/FLAG2c421c42a [2023-11-21 18:58:23,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/data/9a06ee25f/ba6150927d5e4ec98d492d44add78539 [2023-11-21 18:58:23,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:58:23,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:58:23,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:58:23,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:58:23,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:58:23,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44528835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23, skipping insertion in model container [2023-11-21 18:58:23,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:58:23,294 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i[913,926] [2023-11-21 18:58:23,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:58:23,430 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:58:23,445 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_71daa19e-6cc1-476f-adc5-9f6f627aba99/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i[913,926] [2023-11-21 18:58:23,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:58:23,532 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:58:23,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23 WrapperNode [2023-11-21 18:58:23,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:58:23,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:58:23,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:58:23,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:58:23,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,622 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-11-21 18:58:23,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:58:23,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:58:23,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:58:23,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:58:23,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:58:23,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:58:23,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:58:23,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:58:23,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (1/1) ... [2023-11-21 18:58:23,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:58:23,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 18:58:23,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 18:58:23,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 18:58:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:58:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:58:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:58:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:58:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:58:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:58:23,973 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:58:23,978 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:58:24,514 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:58:24,735 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:58:24,736 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:58:24,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:58:24 BoogieIcfgContainer [2023-11-21 18:58:24,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:58:24,742 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 18:58:24,742 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 18:58:24,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 18:58:24,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 06:58:23" (1/3) ... [2023-11-21 18:58:24,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662da029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:58:24, skipping insertion in model container [2023-11-21 18:58:24,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:23" (2/3) ... [2023-11-21 18:58:24,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662da029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:58:24, skipping insertion in model container [2023-11-21 18:58:24,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:58:24" (3/3) ... [2023-11-21 18:58:24,752 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-81.i [2023-11-21 18:58:24,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 18:58:24,776 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 18:58:24,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 18:58:24,857 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;@6dcec65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 18:58:24,857 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 18:58:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 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) [2023-11-21 18:58:24,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:58:24,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 18:58:24,884 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] [2023-11-21 18:58:24,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 18:58:24,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:58:24,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1920992202, now seen corresponding path program 1 times [2023-11-21 18:58:24,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 18:58:24,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858669885] [2023-11-21 18:58:24,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:58:24,913 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 [2023-11-21 18:58:24,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 18:58:24,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/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) [2023-11-21 18:58:24,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71daa19e-6cc1-476f-adc5-9f6f627aba99/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 18:58:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:58:25,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:58:25,215 INFO L285 TraceCheckSpWp]: Computing forward predicates...