./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.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_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 192fd2fa21417aa09ed325872128b5046e8cfebc6357a29362e62278761c25b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:05:15,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:15,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:05:15,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:15,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:15,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:15,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:15,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:15,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:05:15,536 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:05:15,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:15,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:15,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:15,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:15,540 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:15,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:15,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:05:15,541 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:05:15,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:05:15,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:05:15,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:15,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:05:15,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:15,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:05:15,544 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:05:15,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:05:15,545 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:15,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:15,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:15,546 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:15,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:15,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:15,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:15,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:15,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:05:15,548 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:05:15,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:05:15,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:15,548 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:15,548 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:05:15,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:15,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:15,549 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 192fd2fa21417aa09ed325872128b5046e8cfebc6357a29362e62278761c25b9 [2023-11-21 22:05:15,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:15,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:15,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:15,921 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:15,922 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:15,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i [2023-11-21 22:05:18,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:19,264 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:19,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i [2023-11-21 22:05:19,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/data/26f89e7c2/b8c1a9bd85514f86899396c5ed4f3325/FLAG4902147ba [2023-11-21 22:05:19,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/data/26f89e7c2/b8c1a9bd85514f86899396c5ed4f3325 [2023-11-21 22:05:19,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:19,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:19,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:19,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:19,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:19,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:19,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b5ca19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19, skipping insertion in model container [2023-11-21 22:05:19,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:19,663 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:19,828 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_d97e55d3-61c3-4989-9ddb-95bc9be4701e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i[915,928] [2023-11-21 22:05:19,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:19,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:05:19,900 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_d97e55d3-61c3-4989-9ddb-95bc9be4701e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i[915,928] [2023-11-21 22:05:19,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:19,947 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:05:19,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19 WrapperNode [2023-11-21 22:05:19,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:19,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:19,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:05:19,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:05:19,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:19,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:20,012 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2023-11-21 22:05:20,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:20,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:05:20,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:05:20,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:05:20,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:20,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:20,030 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:20,043 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:05:20,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:20,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:20,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:20,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:20,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:20,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:20,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:05:20,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:05:20,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:05:20,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:05:20,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (1/1) ... [2023-11-21 22:05:20,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:20,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:20,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:20,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:05:20,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:05:20,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:05:20,158 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:05:20,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:05:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:05:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:05:20,289 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:05:20,292 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:20,617 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:20,773 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:20,773 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:05:20,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:20 BoogieIcfgContainer [2023-11-21 22:05:20,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:20,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:20,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:20,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:20,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:05:19" (1/3) ... [2023-11-21 22:05:20,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d082015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:20, skipping insertion in model container [2023-11-21 22:05:20,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:19" (2/3) ... [2023-11-21 22:05:20,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d082015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:20, skipping insertion in model container [2023-11-21 22:05:20,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:20" (3/3) ... [2023-11-21 22:05:20,787 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-74.i [2023-11-21 22:05:20,811 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:20,812 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:05:20,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:05:20,909 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=PETRI_NET, 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;@4241e6ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:05:20,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:05:20,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 22:05:20,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 22:05:20,954 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:20,955 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:20,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:20,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:20,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1662679251, now seen corresponding path program 1 times [2023-11-21 22:05:20,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:05:20,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759772277] [2023-11-21 22:05:20,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:20,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:05:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:05:21,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:05:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:05:21,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:05:21,616 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:05:21,617 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:05:21,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:05:21,626 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:05:21,630 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:05:21,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:05:21 BoogieIcfgContainer [2023-11-21 22:05:21,692 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:05:21,693 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:05:21,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:05:21,693 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:05:21,694 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:20" (3/4) ... [2023-11-21 22:05:21,696 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:05:21,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:05:21,699 INFO L158 Benchmark]: Toolchain (without parser) took 2079.24ms. Allocated memory is still 144.7MB. Free memory was 110.5MB in the beginning and 83.1MB in the end (delta: 27.4MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-21 22:05:21,700 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:05:21,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.78ms. Allocated memory is still 144.7MB. Free memory was 110.1MB in the beginning and 97.9MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:05:21,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.78ms. Allocated memory is still 144.7MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:21,702 INFO L158 Benchmark]: Boogie Preprocessor took 48.46ms. Allocated memory is still 144.7MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:21,703 INFO L158 Benchmark]: RCFGBuilder took 712.47ms. Allocated memory is still 144.7MB. Free memory was 92.9MB in the beginning and 67.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 22:05:21,704 INFO L158 Benchmark]: TraceAbstraction took 914.37ms. Allocated memory is still 144.7MB. Free memory was 66.9MB in the beginning and 83.1MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:05:21,705 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 144.7MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:05:21,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.78ms. Allocated memory is still 144.7MB. Free memory was 110.1MB in the beginning and 97.9MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.78ms. Allocated memory is still 144.7MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.46ms. Allocated memory is still 144.7MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.47ms. Allocated memory is still 144.7MB. Free memory was 92.9MB in the beginning and 67.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 914.37ms. Allocated memory is still 144.7MB. Free memory was 66.9MB in the beginning and 83.1MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 144.7MB. Free memory is still 83.1MB. 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 40, overapproximation of someBinaryFLOATComparisonOperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 25; [L23] double var_1_2 = 63.25; [L24] double var_1_3 = 3.779; [L25] double var_1_4 = 31.6; [L26] double var_1_5 = 100.5; [L27] unsigned long int var_1_6 = 64; [L28] unsigned long int var_1_7 = 3150951169; [L29] unsigned long int var_1_8 = 128; [L30] unsigned char var_1_9 = 0; [L31] signed short int var_1_10 = -16; [L32] float var_1_11 = 127.075; [L33] float var_1_12 = 1.2; [L34] signed short int var_1_16 = 4; [L35] signed short int var_1_18 = -64; [L36] signed char var_1_19 = -32; [L97] isInitial = 1 [L98] FCALL initially() [L99] int k_loop; [L100] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_2=253/4, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L100] COND TRUE k_loop < 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_double() [L66] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L67] var_1_3 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L69] var_1_4 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L71] var_1_5 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L73] var_1_6 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L75] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L76] var_1_7 = __VERIFIER_nondet_ulong() [L77] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=128, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_7 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_7 <= 4294967294) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=128, var_1_9=0] [L79] var_1_8 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L82] var_1_9 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L85] var_1_11 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=3150951177, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=3150951177, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L87] var_1_12 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=3150951177, var_1_12=3150951174, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=3150951177, var_1_12=3150951174, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L102] RET updateVariables() [L103] CALL step() [L40] COND TRUE ((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5 [L41] var_1_1 = ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))) [L49] var_1_19 = -2 [L50] COND FALSE !(\read(var_1_9)) [L55] COND FALSE !(var_1_4 <= var_1_3) [L59] COND FALSE !(\read(var_1_9)) [L62] var_1_18 = var_1_19 [L103] RET step() [L104] CALL, EXPR property() [L93-L94] return (((((((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5) ? (var_1_1 == ((unsigned long int) ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))))) : (var_1_9 ? (var_1_1 == ((unsigned long int) var_1_7)) : (var_1_1 == ((unsigned long int) var_1_6)))) && (var_1_9 ? ((255.5f != (var_1_11 - var_1_12)) ? (var_1_10 == ((signed short int) ((((((((var_1_19) > (var_1_19)) ? (var_1_19) : (var_1_19)))) > (var_1_19)) ? (((((var_1_19) > (var_1_19)) ? (var_1_19) : (var_1_19)))) : (var_1_19))))) : 1) : ((var_1_4 <= var_1_3) ? (var_1_10 == ((signed short int) var_1_19)) : 1))) && (var_1_9 ? (var_1_16 == ((signed short int) ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) : 1)) && (var_1_18 == ((signed short int) var_1_19))) && (var_1_19 == ((signed char) -2)) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-16, var_1_11=3150951177, var_1_12=3150951174, var_1_16=4, var_1_18=-2, var_1_19=-2, var_1_1=2147483647, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-16, var_1_11=3150951177, var_1_12=3150951174, var_1_16=4, var_1_18=-2, var_1_19=-2, var_1_1=2147483647, var_1_3=3150951176, var_1_4=3150951175, var_1_5=3150951178, var_1_6=2147483647, var_1_7=2147483647, var_1_8=2147483647, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 14, 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=33occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 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 22:05:21,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/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_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 192fd2fa21417aa09ed325872128b5046e8cfebc6357a29362e62278761c25b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:05:24,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:25,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:05:25,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:25,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:25,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:25,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:25,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:25,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:05:25,091 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:05:25,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:25,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:25,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:25,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:25,097 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:25,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:25,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:05:25,099 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:05:25,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:05:25,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:25,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:05:25,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:25,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:05:25,103 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:05:25,104 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:05:25,104 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:05:25,105 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:05:25,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:05:25,106 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:25,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:25,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:25,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:25,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:25,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:25,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:25,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:25,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:05:25,112 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:05:25,113 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:05:25,113 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:25,113 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:25,114 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:05:25,114 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:25,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:25,115 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:05:25,116 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 192fd2fa21417aa09ed325872128b5046e8cfebc6357a29362e62278761c25b9 [2023-11-21 22:05:25,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:25,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:25,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:25,582 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:25,582 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:25,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i [2023-11-21 22:05:28,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:29,290 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:29,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i [2023-11-21 22:05:29,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/data/8b610d0c2/aa41ca24cf1549e181ad853d96d8d42f/FLAG9553d0d87 [2023-11-21 22:05:29,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/data/8b610d0c2/aa41ca24cf1549e181ad853d96d8d42f [2023-11-21 22:05:29,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:29,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:29,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:29,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:29,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:29,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1efa5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29, skipping insertion in model container [2023-11-21 22:05:29,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:29,566 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_d97e55d3-61c3-4989-9ddb-95bc9be4701e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i[915,928] [2023-11-21 22:05:29,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:29,678 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:05:29,693 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_d97e55d3-61c3-4989-9ddb-95bc9be4701e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-74.i[915,928] [2023-11-21 22:05:29,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:29,736 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:05:29,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29 WrapperNode [2023-11-21 22:05:29,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:29,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:29,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:05:29,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:05:29,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,790 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2023-11-21 22:05:29,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:29,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:05:29,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:05:29,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:05:29,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,809 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,820 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:05:29,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:05:29,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:05:29,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:05:29,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:05:29,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (1/1) ... [2023-11-21 22:05:29,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:29,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:29,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:29,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:05:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:05:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:05:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:05:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:05:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:05:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:05:30,071 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:05:30,073 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:30,744 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:30,977 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:30,978 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:05:30,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:30 BoogieIcfgContainer [2023-11-21 22:05:30,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:30,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:30,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:30,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:30,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:05:29" (1/3) ... [2023-11-21 22:05:30,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74773ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:30, skipping insertion in model container [2023-11-21 22:05:30,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:29" (2/3) ... [2023-11-21 22:05:30,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74773ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:30, skipping insertion in model container [2023-11-21 22:05:30,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:30" (3/3) ... [2023-11-21 22:05:30,994 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-74.i [2023-11-21 22:05:31,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:31,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:05:31,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:05:31,083 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=PETRI_NET, 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;@613049ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:05:31,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:05:31,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 22:05:31,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 22:05:31,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:31,103 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:31,106 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:31,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:31,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1662679251, now seen corresponding path program 1 times [2023-11-21 22:05:31,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:05:31,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548040583] [2023-11-21 22:05:31,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:31,137 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 22:05:31,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:05:31,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/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 22:05:31,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d97e55d3-61c3-4989-9ddb-95bc9be4701e/bin/uautomizer-verify-bycVGegfSx/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 22:05:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:31,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:05:31,534 INFO L285 TraceCheckSpWp]: Computing forward predicates...