./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX --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 235ed319bc52a68655347e756e6c00f5033f8cd4f7805979bed7b6dfee48c5d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:11:05,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:11:05,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:11:05,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:11:05,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:11:05,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:11:05,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:11:05,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:11:05,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:11:05,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:11:05,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:11:05,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:11:05,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:11:05,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:11:05,502 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:11:05,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:11:05,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:11:05,506 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:11:05,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:11:05,511 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:11:05,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:11:05,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:11:05,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:11:05,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:11:05,512 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:11:05,513 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:11:05,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:11:05,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:11:05,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:11:05,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:11:05,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:11:05,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:11:05,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:11:05,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:11:05,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:11:05,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:11:05,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:11:05,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:11:05,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:11:05,519 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:11:05,519 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:11:05,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:11:05,520 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_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235ed319bc52a68655347e756e6c00f5033f8cd4f7805979bed7b6dfee48c5d5 [2024-11-08 17:11:05,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:11:05,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:11:05,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:11:05,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:11:05,864 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:11:05,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-96.i Unable to find full path for "g++" [2024-11-08 17:11:07,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:11:07,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:11:07,951 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-96.i [2024-11-08 17:11:07,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/data/f83198086/4b7f4d6fbb0c4784bbbbf4d6c8e323bf/FLAG5a9ca5a00 [2024-11-08 17:11:07,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/data/f83198086/4b7f4d6fbb0c4784bbbbf4d6c8e323bf [2024-11-08 17:11:07,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:11:07,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:11:07,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:11:07,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:11:07,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:11:07,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:11:07" (1/1) ... [2024-11-08 17:11:07,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac92487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:07, skipping insertion in model container [2024-11-08 17:11:07,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:11:07" (1/1) ... [2024-11-08 17:11:08,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:11:08,239 WARN L250 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_7384810e-09ba-4063-8bf3-77add600cd35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-96.i[915,928] [2024-11-08 17:11:08,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:11:08,307 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:11:08,316 WARN L250 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_7384810e-09ba-4063-8bf3-77add600cd35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-96.i[915,928] [2024-11-08 17:11:08,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:11:08,357 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:11:08,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08 WrapperNode [2024-11-08 17:11:08,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:11:08,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:11:08,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:11:08,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:11:08,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,411 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-11-08 17:11:08,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:11:08,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:11:08,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:11:08,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:11:08,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,427 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,441 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:11:08,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:11:08,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:11:08,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:11:08,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:11:08,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (1/1) ... [2024-11-08 17:11:08,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:11:08,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:11:08,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:11:08,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:11:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:11:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:11:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:11:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:11:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:11:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:11:08,656 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:11:08,658 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:11:09,011 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 17:11:09,011 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:11:09,033 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:11:09,035 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:11:09,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:11:09 BoogieIcfgContainer [2024-11-08 17:11:09,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:11:09,038 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:11:09,038 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:11:09,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:11:09,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:11:07" (1/3) ... [2024-11-08 17:11:09,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29025573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:11:09, skipping insertion in model container [2024-11-08 17:11:09,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:08" (2/3) ... [2024-11-08 17:11:09,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29025573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:11:09, skipping insertion in model container [2024-11-08 17:11:09,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:11:09" (3/3) ... [2024-11-08 17:11:09,045 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-96.i [2024-11-08 17:11:09,063 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:11:09,063 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:11:09,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:11:09,152 INFO L333 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, 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;@969e319, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:11:09,152 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:11:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 17:11:09,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 17:11:09,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:11:09,174 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:11:09,174 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:11:09,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:09,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1032854724, now seen corresponding path program 1 times [2024-11-08 17:11:09,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:11:09,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953595513] [2024-11-08 17:11:09,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:09,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:11:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:11:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:11:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:11:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:11:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:11:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:11:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:11:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:11:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:11:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:11:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:11:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:11:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:11:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:11:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:11:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:11:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:11:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:11:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:11:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 17:11:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:11:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 17:11:09,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:11:09,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953595513] [2024-11-08 17:11:09,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953595513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:11:09,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:11:09,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:11:09,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623798251] [2024-11-08 17:11:09,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:11:09,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:11:09,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:11:09,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:11:09,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:11:09,733 INFO L87 Difference]: Start difference. First operand has 59 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 17:11:09,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:11:09,766 INFO L93 Difference]: Finished difference Result 111 states and 191 transitions. [2024-11-08 17:11:09,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:11:09,769 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 130 [2024-11-08 17:11:09,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:11:09,779 INFO L225 Difference]: With dead ends: 111 [2024-11-08 17:11:09,779 INFO L226 Difference]: Without dead ends: 55 [2024-11-08 17:11:09,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:11:09,788 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:11:09,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:11:09,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-08 17:11:09,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-08 17:11:09,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 17:11:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 81 transitions. [2024-11-08 17:11:09,848 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 81 transitions. Word has length 130 [2024-11-08 17:11:09,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:11:09,852 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 81 transitions. [2024-11-08 17:11:09,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 17:11:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-11-08 17:11:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 17:11:09,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:11:09,859 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:11:09,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:11:09,860 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:11:09,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:09,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1434155574, now seen corresponding path program 1 times [2024-11-08 17:11:09,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:11:09,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47321512] [2024-11-08 17:11:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:09,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:11:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:11:10,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [734387710] [2024-11-08 17:11:10,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:10,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:11:10,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:11:10,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:11:10,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:11:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:11:10,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:11:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:11:10,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:11:10,473 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:11:10,474 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:11:10,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:11:10,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:11:10,681 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 17:11:10,777 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:11:10,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:11:10 BoogieIcfgContainer [2024-11-08 17:11:10,780 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:11:10,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:11:10,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:11:10,781 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:11:10,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:11:09" (3/4) ... [2024-11-08 17:11:10,784 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:11:10,785 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:11:10,786 INFO L158 Benchmark]: Toolchain (without parser) took 2806.22ms. Allocated memory is still 144.7MB. Free memory was 81.7MB in the beginning and 65.1MB in the end (delta: 16.5MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-08 17:11:10,786 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory was 117.9MB in the beginning and 117.8MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:11:10,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.55ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 109.8MB in the end (delta: -28.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:11:10,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.06ms. Allocated memory is still 144.7MB. Free memory was 109.8MB in the beginning and 107.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:11:10,788 INFO L158 Benchmark]: Boogie Preprocessor took 44.93ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 104.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:11:10,789 INFO L158 Benchmark]: RCFGBuilder took 578.20ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 86.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:11:10,789 INFO L158 Benchmark]: TraceAbstraction took 1742.17ms. Allocated memory is still 144.7MB. Free memory was 85.7MB in the beginning and 65.1MB in the end (delta: 20.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-08 17:11:10,789 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 144.7MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:11:10,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory was 117.9MB in the beginning and 117.8MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.55ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 109.8MB in the end (delta: -28.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.06ms. Allocated memory is still 144.7MB. Free memory was 109.8MB in the beginning and 107.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.93ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 104.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 578.20ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 86.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1742.17ms. Allocated memory is still 144.7MB. Free memory was 85.7MB in the beginning and 65.1MB in the end (delta: 20.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 144.7MB. Free memory is still 65.1MB. 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 someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryArithmeticFLOAToperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 8; [L25] unsigned short int var_1_4 = 1000; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 1; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] float var_1_10 = 0.125; [L32] signed long int var_1_11 = 50; [L33] float var_1_12 = 1000000000000.45; [L34] float var_1_13 = 128.5; [L35] float var_1_14 = 10000000.625; [L36] signed char var_1_15 = -5; [L37] signed char var_1_16 = 10; VAL [isInitial=0, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L71] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L72] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L72] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L73] var_1_3 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L75] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L76] var_1_4 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L78] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L78] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L81] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L82] var_1_7 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=1] [L83] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L84] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L85] var_1_8 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=1] [L86] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L88] var_1_9 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L89] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L90] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L91] var_1_11 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L92] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L95] var_1_12 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L96] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L97] var_1_13 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L98] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L99] var_1_16 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L100] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L101] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L114] RET updateVariables() [L115] CALL step() [L41] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L42] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L47] var_1_14 = var_1_12 [L48] var_1_15 = var_1_16 VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L49] COND FALSE !(! var_1_5) [L52] var_1_1 = var_1_4 VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L54] signed long int stepLocal_1 = -2 / var_1_11; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=1/8, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L55] COND TRUE stepLocal_1 > (((((var_1_4) > (var_1_3)) ? (var_1_4) : (var_1_3))) * var_1_1) [L56] var_1_10 = ((var_1_12 - var_1_13) + 9.8f) VAL [isInitial=1, stepLocal_0=1, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return (((((! var_1_5) ? (var_1_1 == ((unsigned short int) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((unsigned short int) var_1_4))) && (var_1_2 ? ((var_1_6 && (var_1_7 || var_1_8)) ? (var_1_5 == ((unsigned char) var_1_9)) : 1) : 1)) && (((-2 / var_1_11) > (((((var_1_4) > (var_1_3)) ? (var_1_4) : (var_1_3))) * var_1_1)) ? (var_1_10 == ((float) ((var_1_12 - var_1_13) + 9.8f))) : (var_1_5 ? (var_1_5 ? (var_1_10 == ((float) var_1_12)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_12))))) && (var_1_14 == ((float) var_1_12))) && (var_1_15 == ((signed char) var_1_16)) ; VAL [\result=0, isInitial=1, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 81 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 840/840 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 [2024-11-08 17:11:10,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX --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 235ed319bc52a68655347e756e6c00f5033f8cd4f7805979bed7b6dfee48c5d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:11:13,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:11:13,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:11:13,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:11:13,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:11:13,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:11:13,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:11:13,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:11:13,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:11:13,325 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:11:13,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:11:13,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:11:13,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:11:13,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:11:13,328 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:11:13,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:11:13,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:11:13,329 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:11:13,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:11:13,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:11:13,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:11:13,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:11:13,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:11:13,331 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:11:13,332 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:11:13,332 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:11:13,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:11:13,333 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:11:13,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:11:13,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:11:13,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:11:13,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:11:13,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:11:13,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:11:13,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:11:13,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:11:13,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:11:13,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:11:13,337 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:11:13,337 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:11:13,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:11:13,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:11:13,342 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:11:13,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:11:13,343 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_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235ed319bc52a68655347e756e6c00f5033f8cd4f7805979bed7b6dfee48c5d5 [2024-11-08 17:11:13,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:11:13,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:11:13,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:11:13,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:11:13,796 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:11:13,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-96.i Unable to find full path for "g++" [2024-11-08 17:11:15,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:11:16,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:11:16,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-96.i [2024-11-08 17:11:16,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/data/733e23869/5206e4232d444b30a1f117b312422766/FLAG746c0ab47 [2024-11-08 17:11:16,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/data/733e23869/5206e4232d444b30a1f117b312422766 [2024-11-08 17:11:16,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:11:16,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:11:16,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:11:16,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:11:16,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:11:16,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d2eb38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16, skipping insertion in model container [2024-11-08 17:11:16,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:11:16,646 WARN L250 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_7384810e-09ba-4063-8bf3-77add600cd35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-96.i[915,928] [2024-11-08 17:11:16,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:11:16,734 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:11:16,747 WARN L250 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_7384810e-09ba-4063-8bf3-77add600cd35/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-96.i[915,928] [2024-11-08 17:11:16,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:11:16,838 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:11:16,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16 WrapperNode [2024-11-08 17:11:16,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:11:16,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:11:16,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:11:16,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:11:16,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,897 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-08 17:11:16,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:11:16,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:11:16,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:11:16,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:11:16,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,931 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,944 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:11:16,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:11:16,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:11:16,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:11:16,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:11:16,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (1/1) ... [2024-11-08 17:11:16,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:11:16,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:11:17,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:11:17,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:11:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:11:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:11:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:11:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:11:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:11:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:11:17,154 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:11:17,156 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:11:17,616 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 17:11:17,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:11:17,635 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:11:17,638 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:11:17,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:11:17 BoogieIcfgContainer [2024-11-08 17:11:17,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:11:17,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:11:17,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:11:17,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:11:17,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:11:16" (1/3) ... [2024-11-08 17:11:17,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23891d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:11:17, skipping insertion in model container [2024-11-08 17:11:17,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:11:16" (2/3) ... [2024-11-08 17:11:17,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23891d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:11:17, skipping insertion in model container [2024-11-08 17:11:17,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:11:17" (3/3) ... [2024-11-08 17:11:17,652 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-96.i [2024-11-08 17:11:17,667 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:11:17,667 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:11:17,737 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:11:17,743 INFO L333 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, 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;@2379bda0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:11:17,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:11:17,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 17:11:17,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 17:11:17,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:11:17,762 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:11:17,763 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:11:17,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:17,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1032854724, now seen corresponding path program 1 times [2024-11-08 17:11:17,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:11:17,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732558385] [2024-11-08 17:11:17,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:17,787 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 [2024-11-08 17:11:17,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:11:17,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:11:17,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:11:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:18,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:11:18,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:11:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-08 17:11:18,172 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:11:18,173 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:11:18,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732558385] [2024-11-08 17:11:18,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [732558385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:11:18,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:11:18,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:11:18,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324113945] [2024-11-08 17:11:18,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:11:18,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:11:18,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:11:18,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:11:18,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:11:18,213 INFO L87 Difference]: Start difference. First operand has 59 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 17:11:18,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:11:18,254 INFO L93 Difference]: Finished difference Result 111 states and 191 transitions. [2024-11-08 17:11:18,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:11:18,257 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 130 [2024-11-08 17:11:18,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:11:18,265 INFO L225 Difference]: With dead ends: 111 [2024-11-08 17:11:18,265 INFO L226 Difference]: Without dead ends: 55 [2024-11-08 17:11:18,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:11:18,272 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:11:18,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:11:18,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-08 17:11:18,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-08 17:11:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 17:11:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 81 transitions. [2024-11-08 17:11:18,326 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 81 transitions. Word has length 130 [2024-11-08 17:11:18,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:11:18,326 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 81 transitions. [2024-11-08 17:11:18,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 17:11:18,327 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-11-08 17:11:18,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 17:11:18,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:11:18,331 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:11:18,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 17:11:18,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:11:18,534 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:11:18,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:18,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1434155574, now seen corresponding path program 1 times [2024-11-08 17:11:18,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:11:18,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316160721] [2024-11-08 17:11:18,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:18,536 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 [2024-11-08 17:11:18,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:11:18,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:11:18,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7384810e-09ba-4063-8bf3-77add600cd35/bin/uautomizer-verify-jihMAELWvX/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 (3)] Waiting until timeout for monitored process [2024-11-08 17:11:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:19,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 17:11:19,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:11:46,161 WARN L286 SmtUtils]: Spent 9.11s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)