./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl --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 e5d9c7ed889b184267cd622b8cedf0f63c83decc897ab4d06bfed69bff61102d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:42,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:42,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:32:42,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:42,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:42,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:42,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:42,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:42,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:42,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:42,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:42,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:42,433 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:42,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:42,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:42,436 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:32:42,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:32:42,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:32:42,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:42,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:42,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:42,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:42,439 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:32:42,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:42,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:42,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:42,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:42,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:42,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:42,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:42,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:42,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:42,444 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:32:42,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:32:42,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:42,444 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:42,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:42,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:42,445 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:42,445 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_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5d9c7ed889b184267cd622b8cedf0f63c83decc897ab4d06bfed69bff61102d [2023-11-12 02:32:42,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:42,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:42,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:42,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:42,779 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:42,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-51.i [2023-11-12 02:32:45,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:46,129 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:46,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-51.i [2023-11-12 02:32:46,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/data/f20e8cfd7/f8b1b49e19c24886be059101860086c0/FLAG774296592 [2023-11-12 02:32:46,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/data/f20e8cfd7/f8b1b49e19c24886be059101860086c0 [2023-11-12 02:32:46,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:46,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:46,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:46,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:46,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:46,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b05f018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46, skipping insertion in model container [2023-11-12 02:32:46,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:46,366 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-51.i[915,928] [2023-11-12 02:32:46,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:46,467 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:32:46,481 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-51.i[915,928] [2023-11-12 02:32:46,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:46,516 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:32:46,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46 WrapperNode [2023-11-12 02:32:46,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:46,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:46,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:32:46,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:32:46,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,567 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94 [2023-11-12 02:32:46,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:46,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:32:46,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:32:46,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:32:46,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:32:46,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:32:46,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:32:46,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:32:46,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:46,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:46,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:32:46,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:32:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:32:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:32:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:32:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:32:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:32:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:32:46,879 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:32:46,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:32:47,246 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:32:47,259 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:32:47,259 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:32:47,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:47 BoogieIcfgContainer [2023-11-12 02:32:47,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:32:47,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:32:47,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:32:47,268 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:32:47,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:32:46" (1/3) ... [2023-11-12 02:32:47,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ecf3f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:47, skipping insertion in model container [2023-11-12 02:32:47,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (2/3) ... [2023-11-12 02:32:47,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ecf3f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:47, skipping insertion in model container [2023-11-12 02:32:47,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:47" (3/3) ... [2023-11-12 02:32:47,272 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-51.i [2023-11-12 02:32:47,291 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:32:47,292 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:32:47,338 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:32:47,345 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e66cb38, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:32:47,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:32:47,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 02:32:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-12 02:32:47,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:47,367 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:47,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:47,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:47,375 INFO L85 PathProgramCache]: Analyzing trace with hash -2079178925, now seen corresponding path program 1 times [2023-11-12 02:32:47,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:47,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883912246] [2023-11-12 02:32:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:47,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:47,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:47,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883912246] [2023-11-12 02:32:47,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:32:47,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408049817] [2023-11-12 02:32:47,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:47,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:47,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:47,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:47,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:32:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:47,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:32:47,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:47,886 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-12 02:32:47,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:32:47,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408049817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:47,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:47,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:47,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008019856] [2023-11-12 02:32:47,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:47,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:32:47,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:47,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:32:47,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:47,930 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-12 02:32:47,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:47,958 INFO L93 Difference]: Finished difference Result 81 states and 132 transitions. [2023-11-12 02:32:47,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:32:47,960 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2023-11-12 02:32:47,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:47,968 INFO L225 Difference]: With dead ends: 81 [2023-11-12 02:32:47,968 INFO L226 Difference]: Without dead ends: 40 [2023-11-12 02:32:47,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:47,976 INFO L413 NwaCegarLoop]: 56 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, 56 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 [2023-11-12 02:32:47,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:47,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-12 02:32:48,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-12 02:32:48,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 02:32:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2023-11-12 02:32:48,022 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 80 [2023-11-12 02:32:48,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:48,022 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2023-11-12 02:32:48,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-12 02:32:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2023-11-12 02:32:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-12 02:32:48,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:48,028 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:48,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:48,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:48,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:48,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:48,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1174052721, now seen corresponding path program 1 times [2023-11-12 02:32:48,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:48,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561198914] [2023-11-12 02:32:48,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:48,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:48,333 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:32:48,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1579161707] [2023-11-12 02:32:48,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:48,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:48,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:48,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:48,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:32:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:32:48,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:32:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:32:48,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:32:48,687 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:32:48,689 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:32:48,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:48,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:48,899 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 02:32:48,902 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:32:48,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:32:48 BoogieIcfgContainer [2023-11-12 02:32:48,970 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:32:48,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:32:48,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:32:48,971 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:32:48,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:47" (3/4) ... [2023-11-12 02:32:48,974 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:32:48,975 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:32:48,976 INFO L158 Benchmark]: Toolchain (without parser) took 2818.75ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 103.4MB in the beginning and 113.1MB in the end (delta: -9.6MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-11-12 02:32:48,977 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 102.8MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:48,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.74ms. Allocated memory is still 148.9MB. Free memory was 103.4MB in the beginning and 91.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:32:48,978 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.88ms. Allocated memory is still 148.9MB. Free memory was 91.3MB in the beginning and 89.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:32:48,979 INFO L158 Benchmark]: Boogie Preprocessor took 71.10ms. Allocated memory is still 148.9MB. Free memory was 89.4MB in the beginning and 87.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:32:48,979 INFO L158 Benchmark]: RCFGBuilder took 621.87ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 73.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:32:48,980 INFO L158 Benchmark]: TraceAbstraction took 1705.51ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 73.1MB in the beginning and 113.1MB in the end (delta: -39.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:48,981 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 184.5MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:48,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 102.8MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.74ms. Allocated memory is still 148.9MB. Free memory was 103.4MB in the beginning and 91.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.88ms. Allocated memory is still 148.9MB. Free memory was 91.3MB in the beginning and 89.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.10ms. Allocated memory is still 148.9MB. Free memory was 89.4MB in the beginning and 87.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.87ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 73.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1705.51ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 73.1MB in the beginning and 113.1MB in the end (delta: -39.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 184.5MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = -16; [L25] double var_1_6 = 100.01; [L26] unsigned short int var_1_7 = 50; [L27] signed short int var_1_8 = 5; [L28] unsigned short int var_1_9 = 256; [L29] signed long int var_1_10 = -100; [L30] unsigned long int var_1_12 = 10000000; [L31] unsigned short int var_1_13 = 2; [L32] unsigned short int var_1_14 = 4; [L33] double var_1_15 = 4.5; VAL [isInitial=0, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L89] isInitial = 1 [L90] FCALL initially() [L91] COND TRUE 1 [L92] FCALL updateLastVariables() [L93] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L66] var_1_5 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L67] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L68] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L68] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L69] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L69] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L70] var_1_6 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=5, var_1_9=256] [L71] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=5, var_1_9=256] [L72] var_1_8 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=256] [L73] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=256] [L74] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=256] [L74] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=256] [L75] var_1_9 = __VERIFIER_nondet_ushort() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L77] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L78] var_1_14 = __VERIFIER_nondet_ushort() [L79] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L79] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L80] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=50, var_1_8=-32767, var_1_9=0] [L93] RET updateVariables() [L94] CALL step() [L37] COND TRUE ! (var_1_5 >= ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))) [L38] var_1_7 = (var_1_9 + 1) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=-32767, var_1_9=0] [L40] var_1_12 = var_1_9 [L41] var_1_13 = var_1_14 [L42] var_1_15 = var_1_6 [L43] unsigned long int stepLocal_0 = var_1_12; VAL [isInitial=1, stepLocal_0=0, var_1_10=-100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=54/5, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=-32767, var_1_9=0] [L44] COND FALSE !(\read(var_1_2)) [L51] var_1_1 = var_1_6 VAL [isInitial=1, stepLocal_0=0, var_1_10=-100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=-32767, var_1_9=0] [L53] unsigned char stepLocal_1 = (var_1_6 * var_1_15) >= var_1_1; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=-100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=-32767, var_1_9=0] [L54] COND FALSE !(stepLocal_1 || var_1_2) [L59] var_1_10 = -1 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=-32767, var_1_9=0] [L94] RET step() [L95] CALL, EXPR property() [L85-L86] return (((((var_1_2 ? ((var_1_12 >= (var_1_12 / var_1_5)) ? (var_1_1 == ((double) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) : (var_1_1 == ((double) var_1_6))) : (var_1_1 == ((double) var_1_6))) && ((! (var_1_5 >= ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (var_1_7 == ((unsigned short int) (var_1_9 + 1))) : 1)) && ((((var_1_6 * var_1_15) >= var_1_1) || var_1_2) ? ((var_1_6 <= var_1_1) ? (var_1_10 == ((signed long int) var_1_9)) : 1) : (var_1_10 == ((signed long int) -1)))) && (var_1_12 == ((unsigned long int) var_1_9))) && (var_1_13 == ((unsigned short int) var_1_14))) && (var_1_15 == ((double) var_1_6)) ; VAL [\result=0, isInitial=1, var_1_10=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=-32767, var_1_9=0] [L95] RET, EXPR property() [L95] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=-32767, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=-32767, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 12, 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, 56 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, 56 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 0 NumberOfNonLiveVariables, 211 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 264/264 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 02:32:49,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl --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 e5d9c7ed889b184267cd622b8cedf0f63c83decc897ab4d06bfed69bff61102d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:51,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:51,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:32:51,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:51,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:52,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:52,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:52,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:52,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:52,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:52,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:52,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:52,026 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:52,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:52,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:52,029 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:32:52,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:32:52,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:52,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:52,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:52,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:52,033 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:32:52,033 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:32:52,034 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:32:52,034 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:32:52,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:52,035 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:52,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:52,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:52,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:52,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:52,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:52,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:52,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:52,039 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:32:52,039 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:32:52,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:52,040 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:52,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:52,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:52,042 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:32:52,042 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:52,042 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_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5d9c7ed889b184267cd622b8cedf0f63c83decc897ab4d06bfed69bff61102d [2023-11-12 02:32:52,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:52,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:52,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:52,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:52,482 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:52,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-51.i [2023-11-12 02:32:55,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:56,049 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:56,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-51.i [2023-11-12 02:32:56,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/data/d786aa9db/7e582ca0edff46ee80bacf80ffb863e2/FLAG013ea85b6 [2023-11-12 02:32:56,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/data/d786aa9db/7e582ca0edff46ee80bacf80ffb863e2 [2023-11-12 02:32:56,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:56,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:56,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:56,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:56,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:56,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5678de4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56, skipping insertion in model container [2023-11-12 02:32:56,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:56,337 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-51.i[915,928] [2023-11-12 02:32:56,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:56,436 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:32:56,453 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-51.i[915,928] [2023-11-12 02:32:56,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:56,499 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:32:56,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56 WrapperNode [2023-11-12 02:32:56,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:56,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:56,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:32:56,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:32:56,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,598 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2023-11-12 02:32:56,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:56,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:32:56,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:32:56,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:32:56,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:32:56,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:32:56,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:32:56,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:32:56,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (1/1) ... [2023-11-12 02:32:56,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:56,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:56,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:32:56,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:32:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:32:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:32:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:32:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:32:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:32:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:32:56,874 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:32:56,876 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:01,159 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:01,166 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:01,166 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:33:01,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:01 BoogieIcfgContainer [2023-11-12 02:33:01,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:01,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:33:01,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:33:01,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:33:01,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:32:56" (1/3) ... [2023-11-12 02:33:01,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5357c8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:01, skipping insertion in model container [2023-11-12 02:33:01,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:56" (2/3) ... [2023-11-12 02:33:01,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5357c8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:01, skipping insertion in model container [2023-11-12 02:33:01,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:01" (3/3) ... [2023-11-12 02:33:01,180 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-51.i [2023-11-12 02:33:01,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:33:01,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:33:01,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:33:01,256 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@708ad04d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:33:01,257 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:33:01,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 02:33:01,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-12 02:33:01,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:01,273 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:01,274 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:01,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:01,280 INFO L85 PathProgramCache]: Analyzing trace with hash -2079178925, now seen corresponding path program 1 times [2023-11-12 02:33:01,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:33:01,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451456006] [2023-11-12 02:33:01,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:01,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:33:01,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:33:01,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:33:01,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 02:33:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:01,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:33:01,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:01,886 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-12 02:33:01,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:33:01,888 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:33:01,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451456006] [2023-11-12 02:33:01,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451456006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:01,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:01,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:33:01,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641020771] [2023-11-12 02:33:01,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:01,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:33:01,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:33:01,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:33:01,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:33:01,948 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-12 02:33:01,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:01,976 INFO L93 Difference]: Finished difference Result 81 states and 132 transitions. [2023-11-12 02:33:01,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:33:01,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2023-11-12 02:33:01,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:01,986 INFO L225 Difference]: With dead ends: 81 [2023-11-12 02:33:01,987 INFO L226 Difference]: Without dead ends: 40 [2023-11-12 02:33:01,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:33:01,996 INFO L413 NwaCegarLoop]: 56 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, 56 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 [2023-11-12 02:33:01,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:33:02,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-12 02:33:02,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-12 02:33:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 02:33:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2023-11-12 02:33:02,058 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 80 [2023-11-12 02:33:02,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:02,059 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2023-11-12 02:33:02,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-12 02:33:02,061 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2023-11-12 02:33:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-12 02:33:02,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:02,069 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:02,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:33:02,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:33:02,290 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:02,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:02,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1174052721, now seen corresponding path program 1 times [2023-11-12 02:33:02,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:33:02,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975043638] [2023-11-12 02:33:02,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:02,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:33:02,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:33:02,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:33:02,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2d4202-5513-4bc4-a25b-1ebb0567087f/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:33:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:02,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 02:33:02,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:39,183 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 16) c_~var_1_9~0))) (and (let ((.cse0 (fp.geq (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_15~0) c_~var_1_1~0))) (or (and (= (_ bv1 8) |c_ULTIMATE.start_step_~stepLocal_1~0#1|) .cse0) (and (not .cse0) (= |c_ULTIMATE.start_step_~stepLocal_1~0#1| (_ bv0 8))))) (= c_~var_1_1~0 c_~var_1_6~0) (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))) (and (fp.geq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_6~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))))) (= (_ bv0 8) c_~var_1_2~0) (= .cse3 c_~var_1_12~0) (= ((_ extract 15 0) (bvadd .cse3 (_ bv1 32))) c_~var_1_7~0) (= c_~var_1_13~0 c_~var_1_14~0) (= c_currentRoundingMode roundNearestTiesToEven) (= c_~var_1_15~0 c_~var_1_6~0))) is different from true