./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh --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 1a9aee9822d06be8cdedb365ceb93a26d94f68fca9c6c31f47131d8d21dcd286 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:44:45,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:44:45,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:44:45,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:44:45,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:44:45,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:44:45,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:44:45,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:44:45,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:44:45,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:44:45,837 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:44:45,838 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:44:45,839 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:44:45,839 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:44:45,839 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:44:45,840 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:44:45,840 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:44:45,841 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:44:45,841 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:44:45,842 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:44:45,842 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:44:45,843 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:44:45,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:44:45,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:44:45,845 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:44:45,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:44:45,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:44:45,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:44:45,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:44:45,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:44:45,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:44:45,848 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:44:45,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:44:45,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:44:45,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:44:45,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:44:45,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:44:45,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:44:45,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:44:45,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:44:45,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:44:45,851 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:44:45,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:44:45,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:44:45,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:44:45,852 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:44:45,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:44:45,852 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_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a9aee9822d06be8cdedb365ceb93a26d94f68fca9c6c31f47131d8d21dcd286 [2023-12-02 19:44:46,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:44:46,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:44:46,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:44:46,116 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:44:46,116 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:44:46,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-0.i [2023-12-02 19:44:48,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:44:49,056 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:44:49,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-0.i [2023-12-02 19:44:49,066 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/data/146ca2db1/5193063b3125475694f362d7c63d5846/FLAG533aad7bf [2023-12-02 19:44:49,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/data/146ca2db1/5193063b3125475694f362d7c63d5846 [2023-12-02 19:44:49,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:44:49,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:44:49,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:44:49,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:44:49,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:44:49,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9e6963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49, skipping insertion in model container [2023-12-02 19:44:49,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,117 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:44:49,240 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_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-0.i[912,925] [2023-12-02 19:44:49,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:44:49,334 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:44:49,347 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_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-0.i[912,925] [2023-12-02 19:44:49,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:44:49,385 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:44:49,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49 WrapperNode [2023-12-02 19:44:49,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:44:49,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:44:49,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:44:49,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:44:49,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,430 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-12-02 19:44:49,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:44:49,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:44:49,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:44:49,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:44:49,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:44:49,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:44:49,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:44:49,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:44:49,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (1/1) ... [2023-12-02 19:44:49,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:44:49,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:44:49,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:44:49,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:44:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:44:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:44:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:44:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:44:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:44:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:44:49,595 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:44:49,597 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:44:49,843 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:44:50,002 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:44:50,003 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:44:50,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:44:50 BoogieIcfgContainer [2023-12-02 19:44:50,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:44:50,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:44:50,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:44:50,010 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:44:50,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:44:49" (1/3) ... [2023-12-02 19:44:50,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f9d68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:44:50, skipping insertion in model container [2023-12-02 19:44:50,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:49" (2/3) ... [2023-12-02 19:44:50,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f9d68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:44:50, skipping insertion in model container [2023-12-02 19:44:50,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:44:50" (3/3) ... [2023-12-02 19:44:50,013 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-0.i [2023-12-02 19:44:50,028 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:44:50,028 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:44:50,071 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:44:50,077 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;@3eed269e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:44:50,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:44:50,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-02 19:44:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 19:44:50,088 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:44:50,089 INFO L195 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:44:50,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:44:50,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:44:50,094 INFO L85 PathProgramCache]: Analyzing trace with hash -199697611, now seen corresponding path program 1 times [2023-12-02 19:44:50,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:44:50,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435312688] [2023-12-02 19:44:50,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:44:50,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:44:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:44:50,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:44:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:44:50,536 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:44:50,538 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:44:50,539 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:44:50,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:44:50,545 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:44:50,550 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:44:50,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:44:50 BoogieIcfgContainer [2023-12-02 19:44:50,597 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:44:50,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:44:50,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:44:50,598 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:44:50,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:44:50" (3/4) ... [2023-12-02 19:44:50,600 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:44:50,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:44:50,602 INFO L158 Benchmark]: Toolchain (without parser) took 1519.97ms. Allocated memory is still 184.5MB. Free memory was 149.1MB in the beginning and 73.2MB in the end (delta: 75.9MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2023-12-02 19:44:50,603 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:44:50,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.81ms. Allocated memory is still 184.5MB. Free memory was 148.5MB in the beginning and 153.6MB in the end (delta: -5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 19:44:50,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.55ms. Allocated memory is still 184.5MB. Free memory was 153.6MB in the beginning and 150.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:44:50,605 INFO L158 Benchmark]: Boogie Preprocessor took 30.17ms. Allocated memory is still 184.5MB. Free memory was 150.8MB in the beginning and 149.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:44:50,605 INFO L158 Benchmark]: RCFGBuilder took 542.68ms. Allocated memory is still 184.5MB. Free memory was 149.4MB in the beginning and 114.5MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 19:44:50,606 INFO L158 Benchmark]: TraceAbstraction took 589.71ms. Allocated memory is still 184.5MB. Free memory was 113.8MB in the beginning and 73.2MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 19:44:50,606 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 184.5MB. Free memory was 73.2MB in the beginning and 73.2MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:44:50,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.81ms. Allocated memory is still 184.5MB. Free memory was 148.5MB in the beginning and 153.6MB in the end (delta: -5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.55ms. Allocated memory is still 184.5MB. Free memory was 153.6MB in the beginning and 150.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.17ms. Allocated memory is still 184.5MB. Free memory was 150.8MB in the beginning and 149.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.68ms. Allocated memory is still 184.5MB. Free memory was 149.4MB in the beginning and 114.5MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 589.71ms. Allocated memory is still 184.5MB. Free memory was 113.8MB in the beginning and 73.2MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 184.5MB. Free memory was 73.2MB in the beginning and 73.2MB in the end (delta: 2.7kB). 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 112. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] signed long int var_1_5 = 2; [L24] signed short int var_1_6 = -10; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned long int var_1_9 = 3470417420; [L28] unsigned char var_1_10 = 0; [L29] double var_1_12 = 25.6; [L30] double var_1_13 = 1.75; [L31] float var_1_14 = 5.4; [L32] float var_1_15 = 127.5; [L33] float var_1_16 = 3.5; [L34] signed long int var_1_17 = 64; [L35] signed long int last_1_var_1_1 = 0; [L36] signed long int last_1_var_1_5 = 2; [L37] signed short int last_1_var_1_6 = -10; [L38] unsigned long int last_1_var_1_7 = 1; [L39] float last_1_var_1_14 = 5.4; [L40] signed long int last_1_var_1_17 = 64; [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] CALL updateLastVariables() [L104] last_1_var_1_1 = var_1_1 [L105] last_1_var_1_5 = var_1_5 [L106] last_1_var_1_6 = var_1_6 [L107] last_1_var_1_7 = var_1_7 [L108] last_1_var_1_14 = var_1_14 [L109] last_1_var_1_17 = var_1_17 [L119] RET updateLastVariables() [L120] CALL updateVariables() [L87] var_1_9 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L89] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L90] var_1_10 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L92] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L93] var_1_12 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L95] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L96] var_1_13 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L98] var_1_15 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L100] var_1_16 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967279] [L120] RET updateVariables() [L121] CALL step() [L44] COND FALSE !(last_1_var_1_7 > (- last_1_var_1_5)) [L47] var_1_1 = (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16))) [L49] COND TRUE ((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16))) [L50] var_1_17 = ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))) [L54] signed long int stepLocal_1 = - last_1_var_1_1; [L55] COND FALSE !(last_1_var_1_17 < stepLocal_1) [L58] signed long int stepLocal_3 = var_1_1; [L59] signed long int stepLocal_2 = var_1_17; [L60] COND FALSE !(var_1_17 > stepLocal_2) [L65] unsigned long int stepLocal_5 = var_1_9; [L66] COND FALSE !((var_1_12 * last_1_var_1_14) > var_1_13) [L73] var_1_14 = var_1_16 [L75] signed long int stepLocal_0 = var_1_17; [L76] COND TRUE var_1_6 < stepLocal_0 [L77] var_1_5 = ((var_1_17 - var_1_6) + var_1_6) [L79] unsigned long int stepLocal_4 = var_1_9 - var_1_6; [L80] COND FALSE !((- 8u) >= stepLocal_4) [L83] var_1_8 = (((var_1_14 / var_1_12) >= var_1_14) || var_1_10) [L121] RET step() [L122] CALL, EXPR property() [L112-L113] return (((((((last_1_var_1_7 > (- last_1_var_1_5)) ? (var_1_1 == ((signed long int) ((((last_1_var_1_5) > ((last_1_var_1_7 + last_1_var_1_6))) ? (last_1_var_1_5) : ((last_1_var_1_7 + last_1_var_1_6)))))) : (var_1_1 == ((signed long int) (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16)))))) && ((var_1_6 < var_1_17) ? (var_1_5 == ((signed long int) ((var_1_17 - var_1_6) + var_1_6))) : 1)) && ((last_1_var_1_17 < (- last_1_var_1_1)) ? (var_1_6 == ((signed short int) (32 - last_1_var_1_6))) : 1)) && ((var_1_17 > var_1_17) ? ((var_1_6 <= var_1_1) ? (var_1_7 == ((unsigned long int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_6)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_14 / var_1_12) >= var_1_14) || var_1_10))))) && (((var_1_12 * last_1_var_1_14) > var_1_13) ? ((var_1_9 < var_1_7) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))))) : (var_1_17 == ((signed long int) last_1_var_1_6))) ; [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=4294967284, var_1_15=4294967284, var_1_16=4294967284, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=1, var_1_9=4294967279] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=4294967284, var_1_15=4294967284, var_1_16=4294967284, var_1_17=0, var_1_1=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=1, var_1_9=4294967279] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 9, 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=24occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 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 [2023-12-02 19:44:50,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/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_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh --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 1a9aee9822d06be8cdedb365ceb93a26d94f68fca9c6c31f47131d8d21dcd286 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:44:52,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:44:52,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:44:52,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:44:52,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:44:52,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:44:52,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:44:52,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:44:52,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:44:52,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:44:52,610 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:44:52,610 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:44:52,610 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:44:52,611 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:44:52,612 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:44:52,612 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:44:52,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:44:52,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:44:52,614 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:44:52,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:44:52,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:44:52,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:44:52,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:44:52,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:44:52,617 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:44:52,617 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:44:52,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:44:52,618 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:44:52,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:44:52,619 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:44:52,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:44:52,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:44:52,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:44:52,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:44:52,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:44:52,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:44:52,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:44:52,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:44:52,622 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:44:52,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:44:52,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:44:52,623 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:44:52,623 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:44:52,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:44:52,623 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_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a9aee9822d06be8cdedb365ceb93a26d94f68fca9c6c31f47131d8d21dcd286 [2023-12-02 19:44:52,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:44:52,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:44:52,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:44:52,922 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:44:52,922 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:44:52,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-0.i [2023-12-02 19:44:55,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:44:55,924 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:44:55,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-0.i [2023-12-02 19:44:55,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/data/a5f326cfc/2c6f7934802240f3bf5bb3eedd148175/FLAG8b3f52b3b [2023-12-02 19:44:55,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/data/a5f326cfc/2c6f7934802240f3bf5bb3eedd148175 [2023-12-02 19:44:55,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:44:55,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:44:55,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:44:55,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:44:55,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:44:55,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:44:55" (1/1) ... [2023-12-02 19:44:55,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c62584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:55, skipping insertion in model container [2023-12-02 19:44:55,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:44:55" (1/1) ... [2023-12-02 19:44:55,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:44:56,145 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_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-0.i[912,925] [2023-12-02 19:44:56,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:44:56,204 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:44:56,218 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_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-0.i[912,925] [2023-12-02 19:44:56,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:44:56,260 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:44:56,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56 WrapperNode [2023-12-02 19:44:56,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:44:56,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:44:56,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:44:56,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:44:56,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (1/1) ... [2023-12-02 19:44:56,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (1/1) ... [2023-12-02 19:44:56,309 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-12-02 19:44:56,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:44:56,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:44:56,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:44:56,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:44:56,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (1/1) ... [2023-12-02 19:44:56,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (1/1) ... [2023-12-02 19:44:56,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (1/1) ... [2023-12-02 19:44:56,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (1/1) ... [2023-12-02 19:44:56,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (1/1) ... [2023-12-02 19:44:56,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (1/1) ... [2023-12-02 19:44:56,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (1/1) ... [2023-12-02 19:44:56,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (1/1) ... [2023-12-02 19:44:56,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:44:56,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:44:56,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:44:56,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:44:56,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (1/1) ... [2023-12-02 19:44:56,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:44:56,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:44:56,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:44:56,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:44:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:44:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:44:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:44:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:44:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:44:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:44:56,506 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:44:56,509 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:45:11,351 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:45:11,411 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:45:11,411 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:45:11,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:45:11 BoogieIcfgContainer [2023-12-02 19:45:11,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:45:11,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:45:11,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:45:11,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:45:11,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:44:55" (1/3) ... [2023-12-02 19:45:11,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5003b506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:45:11, skipping insertion in model container [2023-12-02 19:45:11,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:44:56" (2/3) ... [2023-12-02 19:45:11,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5003b506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:45:11, skipping insertion in model container [2023-12-02 19:45:11,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:45:11" (3/3) ... [2023-12-02 19:45:11,420 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-0.i [2023-12-02 19:45:11,438 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:45:11,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:45:11,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:45:11,485 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;@c6996df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:45:11,485 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:45:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-02 19:45:11,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 19:45:11,500 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:45:11,500 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:45:11,501 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:45:11,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:45:11,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1860182828, now seen corresponding path program 1 times [2023-12-02 19:45:11,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:45:11,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510001881] [2023-12-02 19:45:11,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:45:11,518 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 [2023-12-02 19:45:11,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:45:11,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 19:45:11,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:45:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:45:13,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:45:13,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:45:13,252 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-02 19:45:13,253 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:45:13,253 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:45:13,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510001881] [2023-12-02 19:45:13,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1510001881] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:45:13,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:45:13,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:45:13,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207114614] [2023-12-02 19:45:13,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:45:13,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:45:13,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:45:13,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:45:13,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:45:13,294 INFO L87 Difference]: Start difference. First operand has 42 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 19:45:16,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:45:16,568 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:45:16,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:45:16,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:45:16,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 19:45:16,771 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5 at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.undoMap(ScopedHashMap.java:97) at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.endScope(ScopedHashMap.java:127) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:101) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertCodeBlock(IncrementalHoareTripleChecker.java:436) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:278) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:365) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 19:45:16,774 INFO L158 Benchmark]: Toolchain (without parser) took 20820.34ms. Allocated memory is still 109.1MB. Free memory was 85.7MB in the beginning and 55.6MB in the end (delta: 30.1MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-12-02 19:45:16,774 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:45:16,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.85ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 71.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 19:45:16,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.85ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:45:16,776 INFO L158 Benchmark]: Boogie Preprocessor took 38.91ms. Allocated memory is still 109.1MB. Free memory was 69.4MB in the beginning and 67.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:45:16,777 INFO L158 Benchmark]: RCFGBuilder took 15062.31ms. Allocated memory is still 109.1MB. Free memory was 67.7MB in the beginning and 78.8MB in the end (delta: -11.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-12-02 19:45:16,777 INFO L158 Benchmark]: TraceAbstraction took 5359.02ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 55.6MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 19:45:16,780 INFO L338 ainManager$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 62.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.85ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 71.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.85ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.91ms. Allocated memory is still 109.1MB. Free memory was 69.4MB in the beginning and 67.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 15062.31ms. Allocated memory is still 109.1MB. Free memory was 67.7MB in the beginning and 78.8MB in the end (delta: -11.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5359.02ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 55.6MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.undoMap(ScopedHashMap.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 19:45:16,989 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-12-02 19:45:17,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3adf92-8b3e-450b-bdce-3aa0e6168e1c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5