./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/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_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/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_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/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 1fa7c82a4f7bc22dc8d07abee8ad4d9df1173f8da71948b5261089ad194d3531 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:57:04,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:57:04,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 20:57:04,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:57:04,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:57:04,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:57:04,887 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:57:04,888 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:57:04,889 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:57:04,889 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:57:04,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:57:04,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:57:04,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:57:04,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:57:04,900 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:57:04,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:57:04,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:57:04,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:57:04,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:57:04,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:57:04,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:57:04,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:57:04,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:57:04,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:57:04,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:57:04,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:57:04,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:57:04,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:57:04,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:57:04,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:57:04,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:57:04,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:57:04,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:57:04,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:57:04,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:57:04,915 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:57:04,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:57:04,924 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:57:04,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:57:04,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:57:04,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:57:04,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:57:04,925 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_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa7c82a4f7bc22dc8d07abee8ad4d9df1173f8da71948b5261089ad194d3531 [2023-11-21 20:57:05,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:57:05,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:57:05,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:57:05,355 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:57:05,355 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:57:05,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-21 20:57:09,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:57:09,369 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:57:09,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-21 20:57:09,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/data/80ee034d4/4553a9b5dcea4f9e9bdde14f756ef6d5/FLAG2682f9a93 [2023-11-21 20:57:09,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/data/80ee034d4/4553a9b5dcea4f9e9bdde14f756ef6d5 [2023-11-21 20:57:09,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:57:09,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:57:09,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:09,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:57:09,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:57:09,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d23c79d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09, skipping insertion in model container [2023-11-21 20:57:09,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,489 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:57:09,721 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_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i[915,928] [2023-11-21 20:57:09,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:09,788 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:57:09,803 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_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i[915,928] [2023-11-21 20:57:09,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:09,871 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:57:09,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09 WrapperNode [2023-11-21 20:57:09,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:09,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:09,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:57:09,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:57:09,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,927 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-11-21 20:57:09,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:09,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:57:09,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:57:09,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:57:09,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,946 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,959 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 20:57:09,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:57:09,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:57:09,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:57:09,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:57:09,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (1/1) ... [2023-11-21 20:57:09,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:57:10,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:10,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:10,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:57:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:57:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 20:57:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 20:57:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 20:57:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:57:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:57:10,224 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:57:10,227 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:57:10,577 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:57:10,800 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:57:10,800 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 20:57:10,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:10 BoogieIcfgContainer [2023-11-21 20:57:10,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:57:10,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:57:10,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:57:10,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:57:10,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:57:09" (1/3) ... [2023-11-21 20:57:10,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9be9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:57:10, skipping insertion in model container [2023-11-21 20:57:10,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:09" (2/3) ... [2023-11-21 20:57:10,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9be9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:57:10, skipping insertion in model container [2023-11-21 20:57:10,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:10" (3/3) ... [2023-11-21 20:57:10,817 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-21 20:57:10,836 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:57:10,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 20:57:10,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:57:10,893 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;@6b0f3fb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:57:10,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 20:57:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-21 20:57:10,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 20:57:10,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:57:10,908 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:57:10,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 20:57:10,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:10,914 INFO L85 PathProgramCache]: Analyzing trace with hash -141562703, now seen corresponding path program 1 times [2023-11-21 20:57:10,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:10,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011507979] [2023-11-21 20:57:10,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:10,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:11,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:11,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:11,594 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 20:57:11,596 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 20:57:11,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 20:57:11,604 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 20:57:11,609 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 20:57:11,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 08:57:11 BoogieIcfgContainer [2023-11-21 20:57:11,730 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 20:57:11,732 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 20:57:11,732 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 20:57:11,732 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 20:57:11,733 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:10" (3/4) ... [2023-11-21 20:57:11,736 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 20:57:11,737 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 20:57:11,740 INFO L158 Benchmark]: Toolchain (without parser) took 2310.27ms. Allocated memory is still 180.4MB. Free memory was 150.8MB in the beginning and 93.3MB in the end (delta: 57.5MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-11-21 20:57:11,740 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 121.6MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:11,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.23ms. Allocated memory is still 180.4MB. Free memory was 150.0MB in the beginning and 138.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 20:57:11,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.77ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 135.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:57:11,744 INFO L158 Benchmark]: Boogie Preprocessor took 50.62ms. Allocated memory is still 180.4MB. Free memory was 135.5MB in the beginning and 133.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:57:11,750 INFO L158 Benchmark]: RCFGBuilder took 822.63ms. Allocated memory is still 180.4MB. Free memory was 133.4MB in the beginning and 124.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 20:57:11,752 INFO L158 Benchmark]: TraceAbstraction took 923.94ms. Allocated memory is still 180.4MB. Free memory was 123.9MB in the beginning and 93.3MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 20:57:11,752 INFO L158 Benchmark]: Witness Printer took 5.63ms. Allocated memory is still 180.4MB. Free memory was 93.3MB in the beginning and 93.3MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:11,762 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 121.6MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.23ms. Allocated memory is still 180.4MB. Free memory was 150.0MB in the beginning and 138.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.77ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 135.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.62ms. Allocated memory is still 180.4MB. Free memory was 135.5MB in the beginning and 133.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 822.63ms. Allocated memory is still 180.4MB. Free memory was 133.4MB in the beginning and 124.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 923.94ms. Allocated memory is still 180.4MB. Free memory was 123.9MB in the beginning and 93.3MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 5.63ms. Allocated memory is still 180.4MB. Free memory was 93.3MB in the beginning and 93.3MB 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 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 8.875; [L24] double var_1_3 = 63.5; [L25] double var_1_4 = 16.6; [L26] double var_1_5 = 127.8; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] signed short int var_1_9 = 256; [L31] signed short int var_1_10 = 10000; [L32] signed short int var_1_11 = 4; [L33] signed short int var_1_12 = -32; [L34] signed long int var_1_13 = 32; [L35] signed short int var_1_14 = 32; [L36] signed long int last_1_var_1_13 = 32; [L104] isInitial = 1 [L105] FCALL initially() [L106] int k_loop; [L107] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_2=71/8, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L107] COND TRUE k_loop < 1 [L108] CALL updateLastVariables() [L97] last_1_var_1_13 = var_1_13 [L108] RET updateLastVariables() [L109] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_double() [L70] 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, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L70] 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, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L71] var_1_3 = __VERIFIER_nondet_double() [L72] 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, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L72] 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, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L73] var_1_4 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L75] var_1_5 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L77] var_1_6 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L79] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L80] var_1_7 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L82] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L83] var_1_8 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L85] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L86] var_1_10 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L88] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L89] var_1_11 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=257, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=257, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L91] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=257, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=257, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L92] var_1_14 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=257, var_1_12=-32, var_1_13=32, var_1_14=32767, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=257, var_1_12=-32, var_1_13=32, var_1_14=32767, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L94] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=257, var_1_12=-32, var_1_13=32, var_1_14=32767, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=257, var_1_12=-32, var_1_13=32, var_1_14=32767, var_1_1=1, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L109] RET updateVariables() [L110] CALL step() [L40] COND FALSE !((((((var_1_2 + var_1_3)) < ((var_1_4 - var_1_5))) ? ((var_1_2 + var_1_3)) : ((var_1_4 - var_1_5)))) != 31.9) [L47] var_1_1 = var_1_7 [L49] COND FALSE !(var_1_2 > var_1_5) [L52] unsigned char stepLocal_0 = var_1_8; [L53] COND FALSE !(var_1_1 && stepLocal_0) [L56] signed short int stepLocal_2 = var_1_9; [L57] signed long int stepLocal_1 = var_1_11 - var_1_14; [L58] COND FALSE !(var_1_11 <= stepLocal_2) [L61] COND TRUE last_1_var_1_13 > stepLocal_1 [L62] var_1_13 = last_1_var_1_13 [L110] RET step() [L111] CALL, EXPR property() [L100-L101] return (((((((((var_1_2 + var_1_3)) < ((var_1_4 - var_1_5))) ? ((var_1_2 + var_1_3)) : ((var_1_4 - var_1_5)))) != 31.9) ? (var_1_6 ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_8))) : (var_1_1 == ((unsigned char) var_1_7))) && ((var_1_2 > var_1_5) ? (var_1_9 == ((signed short int) (var_1_10 - var_1_11))) : 1)) && ((var_1_1 && var_1_8) ? (var_1_12 == ((signed short int) (var_1_11 - 1))) : 1)) && ((var_1_11 <= var_1_9) ? (var_1_13 == ((signed long int) (var_1_10 - var_1_11))) : ((last_1_var_1_13 > (var_1_11 - var_1_14)) ? (var_1_13 == ((signed long int) last_1_var_1_13)) : (var_1_13 == ((signed long int) last_1_var_1_13)))) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=257, var_1_12=-32, var_1_13=32, var_1_14=32767, var_1_1=0, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=32, var_1_10=289, var_1_11=257, var_1_12=-32, var_1_13=32, var_1_14=32767, var_1_1=0, var_1_3=32773, var_1_4=32772, var_1_5=32774, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 16, 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=35occurred 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, 62 NumberOfCodeBlocks, 62 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 20:57:11,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/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_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/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_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/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 1fa7c82a4f7bc22dc8d07abee8ad4d9df1173f8da71948b5261089ad194d3531 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:57:14,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:57:14,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 20:57:14,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:57:14,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:57:15,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:57:15,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:57:15,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:57:15,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:57:15,011 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:57:15,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:57:15,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:57:15,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:57:15,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:57:15,015 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:57:15,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:57:15,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:57:15,018 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:57:15,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:57:15,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:57:15,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:57:15,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:57:15,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:57:15,022 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 20:57:15,022 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 20:57:15,023 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 20:57:15,024 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:57:15,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:57:15,025 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:57:15,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:57:15,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:57:15,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:57:15,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:57:15,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:57:15,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:57:15,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:57:15,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:57:15,031 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 20:57:15,032 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 20:57:15,032 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:57:15,033 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:57:15,033 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:57:15,034 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:57:15,034 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:57:15,034 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 20:57:15,035 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_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa7c82a4f7bc22dc8d07abee8ad4d9df1173f8da71948b5261089ad194d3531 [2023-11-21 20:57:15,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:57:15,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:57:15,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:57:15,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:57:15,515 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:57:15,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-21 20:57:18,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:57:19,113 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:57:19,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-21 20:57:19,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/data/fe64fec97/fa2e0f3b1273470ea1b4d3f34d93d6ea/FLAG330e46558 [2023-11-21 20:57:19,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/data/fe64fec97/fa2e0f3b1273470ea1b4d3f34d93d6ea [2023-11-21 20:57:19,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:57:19,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:57:19,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:19,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:57:19,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:57:19,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f58a715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19, skipping insertion in model container [2023-11-21 20:57:19,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,186 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:57:19,380 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_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i[915,928] [2023-11-21 20:57:19,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:19,480 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:57:19,497 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_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i[915,928] [2023-11-21 20:57:19,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:19,565 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:57:19,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19 WrapperNode [2023-11-21 20:57:19,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:19,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:19,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:57:19,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:57:19,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,644 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-11-21 20:57:19,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:19,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:57:19,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:57:19,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:57:19,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,686 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,697 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 20:57:19,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:57:19,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:57:19,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:57:19,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:57:19,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (1/1) ... [2023-11-21 20:57:19,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:57:19,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:19,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:19,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:57:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:57:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 20:57:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 20:57:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 20:57:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:57:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:57:19,976 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:57:19,978 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:57:21,725 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:57:21,892 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:57:21,893 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 20:57:21,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:21 BoogieIcfgContainer [2023-11-21 20:57:21,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:57:21,897 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:57:21,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:57:21,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:57:21,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:57:19" (1/3) ... [2023-11-21 20:57:21,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd814ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:57:21, skipping insertion in model container [2023-11-21 20:57:21,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:19" (2/3) ... [2023-11-21 20:57:21,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd814ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:57:21, skipping insertion in model container [2023-11-21 20:57:21,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:21" (3/3) ... [2023-11-21 20:57:21,904 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-21 20:57:21,924 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:57:21,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 20:57:21,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:57:21,983 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;@39a2f28a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:57:21,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 20:57:21,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-21 20:57:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 20:57:22,021 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:57:22,022 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:57:22,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 20:57:22,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:22,032 INFO L85 PathProgramCache]: Analyzing trace with hash -141562703, now seen corresponding path program 1 times [2023-11-21 20:57:22,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 20:57:22,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380541424] [2023-11-21 20:57:22,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:22,051 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 20:57:22,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 20:57:22,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/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 20:57:22,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ff9ab5f-0fae-4843-938a-a92c1980e2a2/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 20:57:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:22,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 20:57:22,489 INFO L285 TraceCheckSpWp]: Computing forward predicates...