./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/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 0aab9ae01a7a38a350a635198d68a9a3e643f5273a8ff0a796738b0412571b34 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:55:54,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:55:54,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:55:54,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:55:54,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:55:54,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:55:54,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:55:54,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:55:54,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:55:54,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:55:54,589 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:55:54,590 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:55:54,591 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:55:54,594 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:55:54,594 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:55:54,595 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:55:54,596 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:55:54,600 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:55:54,601 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:55:54,601 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:55:54,602 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:55:54,602 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:55:54,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:55:54,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:55:54,604 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:55:54,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:55:54,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:55:54,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:55:54,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:55:54,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:55:54,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:55:54,608 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:55:54,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:55:54,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:55:54,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:55:54,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:55:54,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:55:54,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:55:54,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:55:54,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:55:54,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:55:54,612 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:55:54,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:55:54,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:55:54,613 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:55:54,614 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:55:54,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:55:54,614 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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0aab9ae01a7a38a350a635198d68a9a3e643f5273a8ff0a796738b0412571b34 [2023-11-21 19:55:54,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:55:54,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:55:54,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:55:54,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:55:54,983 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:55:54,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i [2023-11-21 19:55:58,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:55:58,338 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:55:58,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i [2023-11-21 19:55:58,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/data/df3d536c5/4c95e6f175a6413aa1dbfbdc1e7bf842/FLAG0584de174 [2023-11-21 19:55:58,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/data/df3d536c5/4c95e6f175a6413aa1dbfbdc1e7bf842 [2023-11-21 19:55:58,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:55:58,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:55:58,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:55:58,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:55:58,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:55:58,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ca5b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58, skipping insertion in model container [2023-11-21 19:55:58,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:55:58,630 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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i[913,926] [2023-11-21 19:55:58,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:55:58,705 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:55:58,724 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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i[913,926] [2023-11-21 19:55:58,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:55:58,787 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:55:58,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58 WrapperNode [2023-11-21 19:55:58,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:55:58,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:55:58,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:55:58,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:55:58,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,884 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2023-11-21 19:55:58,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:55:58,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:55:58,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:55:58,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:55:58,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:55:58,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:55:58,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:55:58,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:55:58,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (1/1) ... [2023-11-21 19:55:58,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:55:58,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:55:59,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:55:59,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:55:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:55:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 19:55:59,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 19:55:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:55:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:55:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:55:59,135 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:55:59,140 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:55:59,461 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:55:59,686 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:55:59,692 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 19:55:59,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:55:59 BoogieIcfgContainer [2023-11-21 19:55:59,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:55:59,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:55:59,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:55:59,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:55:59,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:55:58" (1/3) ... [2023-11-21 19:55:59,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2824c586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:55:59, skipping insertion in model container [2023-11-21 19:55:59,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:58" (2/3) ... [2023-11-21 19:55:59,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2824c586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:55:59, skipping insertion in model container [2023-11-21 19:55:59,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:55:59" (3/3) ... [2023-11-21 19:55:59,707 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-82.i [2023-11-21 19:55:59,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:55:59,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:55:59,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:55:59,783 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;@3811bfe6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:55:59,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:55:59,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-21 19:55:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 19:55:59,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:55:59,802 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:55:59,803 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:55:59,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:55:59,811 INFO L85 PathProgramCache]: Analyzing trace with hash -356684006, now seen corresponding path program 1 times [2023-11-21 19:55:59,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:55:59,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157452408] [2023-11-21 19:55:59,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:55:59,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:56:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:56:00,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 19:56:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:56:00,556 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-21 19:56:00,558 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 19:56:00,560 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:56:00,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:56:00,567 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:56:00,571 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:56:00,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:56:00 BoogieIcfgContainer [2023-11-21 19:56:00,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:56:00,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:56:00,653 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:56:00,653 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:56:00,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:55:59" (3/4) ... [2023-11-21 19:56:00,656 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 19:56:00,657 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:56:00,659 INFO L158 Benchmark]: Toolchain (without parser) took 2287.41ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 77.2MB in the end (delta: 34.1MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-11-21 19:56:00,659 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:56:00,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.48ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 98.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 19:56:00,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.89ms. Allocated memory is still 157.3MB. Free memory was 98.0MB in the beginning and 95.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:56:00,662 INFO L158 Benchmark]: Boogie Preprocessor took 70.48ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 93.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:56:00,662 INFO L158 Benchmark]: RCFGBuilder took 739.34ms. Allocated memory is still 157.3MB. Free memory was 93.8MB in the beginning and 121.2MB in the end (delta: -27.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-11-21 19:56:00,663 INFO L158 Benchmark]: TraceAbstraction took 953.94ms. Allocated memory is still 157.3MB. Free memory was 120.2MB in the beginning and 77.2MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-21 19:56:00,664 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 157.3MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:56:00,667 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.48ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 98.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.89ms. Allocated memory is still 157.3MB. Free memory was 98.0MB in the beginning and 95.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.48ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 93.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 739.34ms. Allocated memory is still 157.3MB. Free memory was 93.8MB in the beginning and 121.2MB in the end (delta: -27.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * TraceAbstraction took 953.94ms. Allocated memory is still 157.3MB. Free memory was 120.2MB in the beginning and 77.2MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 157.3MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] double var_1_4 = 5.5; [L24] float var_1_5 = 49.2; [L25] double var_1_7 = 49.5; [L26] double var_1_8 = 999999999999.4; [L27] double var_1_9 = 255.3; [L28] unsigned char var_1_10 = 1; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_13 = 1; [L31] signed long int var_1_14 = -16; [L32] signed long int var_1_15 = 25; [L33] signed long int var_1_16 = -8; [L34] signed long int var_1_17 = 1000000000; [L35] signed long int var_1_18 = 256; [L36] signed long int var_1_19 = 25; [L37] signed long int var_1_20 = 4; [L38] unsigned char var_1_21 = 1; [L39] unsigned char var_1_22 = 0; [L40] signed long int var_1_23 = 50; [L41] double last_1_var_1_7 = 49.5; [L42] signed long int last_1_var_1_14 = -16; [L43] signed long int last_1_var_1_23 = 50; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L122] last_1_var_1_7 = var_1_7 [L123] last_1_var_1_14 = var_1_14 [L124] last_1_var_1_23 = var_1_23 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L88] var_1_4 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L90] var_1_5 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L92] var_1_8 = __VERIFIER_nondet_double() [L93] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=2553/10] [L94] var_1_9 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L96] var_1_11 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L98] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L99] var_1_13 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L101] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L102] var_1_15 = __VERIFIER_nondet_long() [L103] CALL assume_abort_if_not(var_1_15 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_15 >= -1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L104] CALL assume_abort_if_not(var_1_15 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_15 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L105] var_1_17 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L107] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L108] var_1_18 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L110] CALL assume_abort_if_not(var_1_18 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_18 <= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L111] var_1_19 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L113] CALL assume_abort_if_not(var_1_19 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_19 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L114] var_1_20 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=95, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=95, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L116] CALL assume_abort_if_not(var_1_20 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=95, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_20 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=95, var_1_21=1, var_1_22=0, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L117] var_1_22 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=95, var_1_21=1, var_1_22=1, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=95, var_1_21=1, var_1_22=1, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L119] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=95, var_1_21=1, var_1_22=1, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=-16, var_1_15=1073741823, var_1_16=-8, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=54/5, var_1_20=95, var_1_21=1, var_1_22=1, var_1_23=50, var_1_5=1000000000005, var_1_7=99/2, var_1_8=1000000000004, var_1_9=1000000000007] [L135] RET updateVariables() [L136] CALL step() [L47] var_1_23 = last_1_var_1_14 [L48] var_1_7 = (var_1_4 - (var_1_8 + var_1_9)) [L49] COND TRUE var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9)))) [L50] var_1_16 = ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))) [L56] signed long int stepLocal_0 = var_1_23; [L57] COND FALSE !(stepLocal_0 == var_1_16) [L60] COND FALSE !((var_1_4 - var_1_5) > var_1_7) [L63] var_1_1 = var_1_4 [L66] signed long int stepLocal_1 = (50 / -10) + var_1_23; [L67] COND FALSE !(stepLocal_1 >= var_1_16) [L74] var_1_21 = var_1_11 [L76] var_1_10 = (var_1_11 && (var_1_21 || var_1_13)) [L77] COND FALSE !(var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) [L84] var_1_14 = var_1_16 [L136] RET step() [L137] CALL, EXPR property() [L127-L128] return (((((((var_1_23 == var_1_16) ? (var_1_1 == ((double) (var_1_4 - 4.531))) : (((var_1_4 - var_1_5) > var_1_7) ? (var_1_1 == ((double) var_1_4)) : (var_1_1 == ((double) var_1_4)))) && (var_1_7 == ((double) (var_1_4 - (var_1_8 + var_1_9))))) && (var_1_10 == ((unsigned char) (var_1_11 && (var_1_21 || var_1_13))))) && ((var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) ? (var_1_10 ? (var_1_14 == ((signed long int) (var_1_15 + (8 + var_1_16)))) : (var_1_14 == ((signed long int) -256))) : (var_1_14 == ((signed long int) var_1_16)))) && ((var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9))))) ? (var_1_16 == ((signed long int) ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : ((var_1_4 <= last_1_var_1_7) ? (var_1_16 == ((signed long int) var_1_17)) : 1))) && ((((50 / -10) + var_1_23) >= var_1_16) ? (var_1_13 ? (var_1_21 == ((unsigned char) (var_1_11 && var_1_22))) : (var_1_21 == ((unsigned char) var_1_11))) : (var_1_21 == ((unsigned char) var_1_11)))) && (var_1_23 == ((signed long int) last_1_var_1_14)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=536870911, var_1_15=1073741823, var_1_16=536870911, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=1000000000006, var_1_20=95, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_4=1000000000006, var_1_5=1000000000005, var_1_8=1000000000004, var_1_9=1000000000007] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=1, var_1_13=1, var_1_14=536870911, var_1_15=1073741823, var_1_16=536870911, var_1_17=536870911, var_1_18=4, var_1_19=96, var_1_1=1000000000006, var_1_20=95, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_4=1000000000006, var_1_5=1000000000005, var_1_8=1000000000004, var_1_9=1000000000007] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 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 19:56:00,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/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 0aab9ae01a7a38a350a635198d68a9a3e643f5273a8ff0a796738b0412571b34 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:56:03,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:56:03,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-21 19:56:03,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:56:03,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:56:03,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:56:03,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:56:03,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:56:03,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:56:03,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:56:03,681 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:56:03,682 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:56:03,682 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:56:03,684 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:56:03,685 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:56:03,685 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:56:03,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:56:03,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:56:03,687 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:56:03,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:56:03,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:56:03,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:56:03,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:56:03,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:56:03,691 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 19:56:03,691 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 19:56:03,692 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 19:56:03,692 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:56:03,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:56:03,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:56:03,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:56:03,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:56:03,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:56:03,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:56:03,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:56:03,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:56:03,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:56:03,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:56:03,697 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 19:56:03,698 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 19:56:03,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:56:03,699 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:56:03,700 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:56:03,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:56:03,700 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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0aab9ae01a7a38a350a635198d68a9a3e643f5273a8ff0a796738b0412571b34 [2023-11-21 19:56:04,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:56:04,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:56:04,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:56:04,196 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:56:04,196 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:56:04,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i [2023-11-21 19:56:07,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:56:07,545 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:56:07,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i [2023-11-21 19:56:07,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/data/fb9b36d5c/ed1cd62957654d6a986e2101821ea3f0/FLAG18a42929e [2023-11-21 19:56:07,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/data/fb9b36d5c/ed1cd62957654d6a986e2101821ea3f0 [2023-11-21 19:56:07,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:56:07,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:56:07,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:56:07,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:56:07,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:56:07,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:56:07" (1/1) ... [2023-11-21 19:56:07,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1f6c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:07, skipping insertion in model container [2023-11-21 19:56:07,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:56:07" (1/1) ... [2023-11-21 19:56:07,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:56:07,792 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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i[913,926] [2023-11-21 19:56:07,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:56:07,910 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:56:07,929 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_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-82.i[913,926] [2023-11-21 19:56:07,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:56:08,017 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:56:08,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08 WrapperNode [2023-11-21 19:56:08,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:56:08,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:56:08,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:56:08,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:56:08,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (1/1) ... [2023-11-21 19:56:08,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (1/1) ... [2023-11-21 19:56:08,104 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-11-21 19:56:08,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:56:08,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:56:08,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:56:08,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:56:08,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (1/1) ... [2023-11-21 19:56:08,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (1/1) ... [2023-11-21 19:56:08,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (1/1) ... [2023-11-21 19:56:08,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (1/1) ... [2023-11-21 19:56:08,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (1/1) ... [2023-11-21 19:56:08,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (1/1) ... [2023-11-21 19:56:08,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (1/1) ... [2023-11-21 19:56:08,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (1/1) ... [2023-11-21 19:56:08,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:56:08,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:56:08,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:56:08,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:56:08,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (1/1) ... [2023-11-21 19:56:08,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:56:08,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:56:08,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:56:08,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:56:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:56:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 19:56:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 19:56:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 19:56:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:56:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:56:08,390 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:56:08,392 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:56:18,538 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:56:18,749 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:56:18,750 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 19:56:18,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:56:18 BoogieIcfgContainer [2023-11-21 19:56:18,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:56:18,754 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:56:18,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:56:18,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:56:18,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:56:07" (1/3) ... [2023-11-21 19:56:18,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2937e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:56:18, skipping insertion in model container [2023-11-21 19:56:18,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:56:08" (2/3) ... [2023-11-21 19:56:18,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2937e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:56:18, skipping insertion in model container [2023-11-21 19:56:18,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:56:18" (3/3) ... [2023-11-21 19:56:18,765 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-82.i [2023-11-21 19:56:18,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:56:18,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:56:18,851 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:56:18,859 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;@6afe638b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:56:18,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:56:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-21 19:56:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 19:56:18,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:56:18,875 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:56:18,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:56:18,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:56:18,891 INFO L85 PathProgramCache]: Analyzing trace with hash -356684006, now seen corresponding path program 1 times [2023-11-21 19:56:18,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:56:18,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215263795] [2023-11-21 19:56:18,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:56:18,912 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 19:56:18,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:56:18,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/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 19:56:18,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baaaa2bd-26b0-4fa5-960d-460fd2b987aa/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 19:56:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:56:20,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 19:56:20,284 INFO L285 TraceCheckSpWp]: Computing forward predicates...