./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya --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 a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:42:12,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:42:12,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:42:12,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:42:12,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:42:12,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:42:12,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:42:12,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:42:12,879 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:42:12,880 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:42:12,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:42:12,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:42:12,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:42:12,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:42:12,883 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:42:12,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:42:12,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:42:12,885 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:42:12,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:42:12,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:42:12,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:42:12,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:42:12,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:42:12,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:42:12,888 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:42:12,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:42:12,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:42:12,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:42:12,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:42:12,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:42:12,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:42:12,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:42:12,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:42:12,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:42:12,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:42:12,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:42:12,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:42:12,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:42:12,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:42:12,893 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:42:12,893 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:42:12,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:42:12,894 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_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 [2023-11-29 06:42:13,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:42:13,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:42:13,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:42:13,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:42:13,200 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:42:13,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i [2023-11-29 06:42:16,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:42:16,191 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:42:16,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i [2023-11-29 06:42:16,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/data/4ab06df66/dc0d835e871840cb8a2bb02c5a2d0a5a/FLAG064689455 [2023-11-29 06:42:16,210 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/data/4ab06df66/dc0d835e871840cb8a2bb02c5a2d0a5a [2023-11-29 06:42:16,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:42:16,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:42:16,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:42:16,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:42:16,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:42:16,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f22051c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16, skipping insertion in model container [2023-11-29 06:42:16,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:42:16,382 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_2251a5ed-59ae-4595-87ce-59e3ab661e8b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i[915,928] [2023-11-29 06:42:16,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:42:16,440 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:42:16,451 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_2251a5ed-59ae-4595-87ce-59e3ab661e8b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i[915,928] [2023-11-29 06:42:16,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:42:16,490 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:42:16,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16 WrapperNode [2023-11-29 06:42:16,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:42:16,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:42:16,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:42:16,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:42:16,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,543 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2023-11-29 06:42:16,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:42:16,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:42:16,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:42:16,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:42:16,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,574 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:42:16,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:42:16,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:42:16,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:42:16,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:42:16,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (1/1) ... [2023-11-29 06:42:16,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:42:16,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:16,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:42:16,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:42:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:42:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:42:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:42:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:42:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:42:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:42:16,743 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:42:16,745 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:42:17,018 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:42:17,057 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:42:17,058 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:42:17,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:42:17 BoogieIcfgContainer [2023-11-29 06:42:17,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:42:17,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:42:17,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:42:17,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:42:17,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:42:16" (1/3) ... [2023-11-29 06:42:17,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec2d1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:42:17, skipping insertion in model container [2023-11-29 06:42:17,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:16" (2/3) ... [2023-11-29 06:42:17,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec2d1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:42:17, skipping insertion in model container [2023-11-29 06:42:17,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:42:17" (3/3) ... [2023-11-29 06:42:17,067 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-24.i [2023-11-29 06:42:17,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:42:17,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:42:17,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:42:17,133 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;@132348cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:42:17,133 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:42:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 06:42:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-29 06:42:17,147 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:17,148 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:17,148 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:42:17,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:17,153 INFO L85 PathProgramCache]: Analyzing trace with hash 39130111, now seen corresponding path program 1 times [2023-11-29 06:42:17,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:42:17,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019445291] [2023-11-29 06:42:17,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:17,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:42:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:42:17,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:42:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:42:17,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:42:17,562 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:42:17,563 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:42:17,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:42:17,569 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-29 06:42:17,575 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:42:17,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:42:17 BoogieIcfgContainer [2023-11-29 06:42:17,642 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:42:17,643 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:42:17,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:42:17,643 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:42:17,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:42:17" (3/4) ... [2023-11-29 06:42:17,646 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:42:17,647 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:42:17,648 INFO L158 Benchmark]: Toolchain (without parser) took 1433.97ms. Allocated memory was 134.2MB in the beginning and 216.0MB in the end (delta: 81.8MB). Free memory was 67.5MB in the beginning and 140.7MB in the end (delta: -73.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-11-29 06:42:17,649 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:42:17,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.65ms. Allocated memory was 134.2MB in the beginning and 216.0MB in the end (delta: 81.8MB). Free memory was 67.3MB in the beginning and 183.2MB in the end (delta: -115.9MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-29 06:42:17,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.81ms. Allocated memory is still 216.0MB. Free memory was 183.2MB in the beginning and 180.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:42:17,651 INFO L158 Benchmark]: Boogie Preprocessor took 50.06ms. Allocated memory is still 216.0MB. Free memory was 180.0MB in the beginning and 175.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:42:17,652 INFO L158 Benchmark]: RCFGBuilder took 463.08ms. Allocated memory is still 216.0MB. Free memory was 175.8MB in the beginning and 174.2MB in the end (delta: 1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:42:17,653 INFO L158 Benchmark]: TraceAbstraction took 581.31ms. Allocated memory is still 216.0MB. Free memory was 173.2MB in the beginning and 140.7MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-29 06:42:17,653 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 216.0MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:42:17,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.65ms. Allocated memory was 134.2MB in the beginning and 216.0MB in the end (delta: 81.8MB). Free memory was 67.3MB in the beginning and 183.2MB in the end (delta: -115.9MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.81ms. Allocated memory is still 216.0MB. Free memory was 183.2MB in the beginning and 180.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.06ms. Allocated memory is still 216.0MB. Free memory was 180.0MB in the beginning and 175.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 463.08ms. Allocated memory is still 216.0MB. Free memory was 175.8MB in the beginning and 174.2MB in the end (delta: 1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 581.31ms. Allocated memory is still 216.0MB. Free memory was 173.2MB in the beginning and 140.7MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 216.0MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 127.1; [L25] signed char var_1_4 = 16; [L26] signed char var_1_5 = 4; [L27] unsigned char var_1_6 = 8; [L28] float var_1_7 = 1000000.6; [L29] unsigned char var_1_8 = 64; [L30] unsigned char var_1_9 = 64; [L31] unsigned char var_1_10 = 128; [L32] unsigned char var_1_11 = 32; [L33] float var_1_12 = 16.8; [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L62] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L62] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L63] var_1_3 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L64] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L65] var_1_4 = __VERIFIER_nondet_char() [L66] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L66] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L67] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L67] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L68] var_1_5 = __VERIFIER_nondet_char() [L69] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L69] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L70] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L70] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L71] var_1_7 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=64, var_1_9=64] [L72] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=64, var_1_9=64] [L73] var_1_8 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_8 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L74] RET assume_abort_if_not(var_1_8 >= 63) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L75] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L75] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L77] RET assume_abort_if_not(var_1_9 >= 64) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L78] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L78] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L79] var_1_10 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L80] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L81] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L81] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L82] var_1_12 = __VERIFIER_nondet_float() [L83] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L83] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=32, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L96] RET updateVariables() [L97] CALL step() [L37] COND FALSE !(var_1_2 || (64.75f < var_1_3)) [L44] var_1_1 = var_1_5 VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=72, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L46] COND TRUE var_1_3 <= var_1_7 [L47] var_1_6 = ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=72, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=129, var_1_8=127, var_1_9=74] [L51] COND FALSE !(((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=72, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=129, var_1_8=127, var_1_9=74] [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return (((var_1_2 || (64.75f < var_1_3)) ? (var_1_2 ? (var_1_1 == ((signed char) (var_1_4 - var_1_5))) : (var_1_1 == ((signed char) var_1_4))) : (var_1_1 == ((signed char) var_1_5))) && ((var_1_3 <= var_1_7) ? (var_1_6 == ((unsigned char) ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5))) : (var_1_6 == ((unsigned char) var_1_10)))) && ((((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10) ? ((var_1_3 == (var_1_7 + var_1_12)) ? (var_1_11 == ((unsigned char) (var_1_9 + var_1_5))) : (var_1_11 == ((unsigned char) var_1_9))) : 1) ; [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=32, var_1_1=72, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=129, var_1_8=127, var_1_9=74] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=32, var_1_1=72, var_1_2=0, var_1_4=-1, var_1_5=72, var_1_6=129, var_1_8=127, var_1_9=74] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 06:42:17,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya --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 a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:42:19,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:42:19,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 06:42:19,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:42:19,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:42:19,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:42:19,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:42:19,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:42:19,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:42:19,717 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:42:19,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:42:19,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:42:19,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:42:19,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:42:19,720 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:42:19,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:42:19,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:42:19,722 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:42:19,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:42:19,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:42:19,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:42:19,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:42:19,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:42:19,725 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:42:19,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:42:19,726 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:42:19,727 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:42:19,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:42:19,728 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:42:19,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:42:19,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:42:19,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:42:19,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:42:19,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:42:19,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:42:19,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:42:19,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:42:19,731 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:42:19,731 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:42:19,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:42:19,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:42:19,732 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:42:19,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:42:19,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:42:19,732 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:42:19,732 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_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 [2023-11-29 06:42:20,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:42:20,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:42:20,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:42:20,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:42:20,058 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:42:20,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i [2023-11-29 06:42:22,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:42:23,125 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:42:23,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i [2023-11-29 06:42:23,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/data/b860b2dd1/303addaf58c4470fa1744e27b8c1a297/FLAG2e647c3df [2023-11-29 06:42:23,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/data/b860b2dd1/303addaf58c4470fa1744e27b8c1a297 [2023-11-29 06:42:23,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:42:23,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:42:23,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:42:23,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:42:23,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:42:23,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c02b83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23, skipping insertion in model container [2023-11-29 06:42:23,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:42:23,352 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_2251a5ed-59ae-4595-87ce-59e3ab661e8b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i[915,928] [2023-11-29 06:42:23,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:42:23,405 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:42:23,419 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_2251a5ed-59ae-4595-87ce-59e3ab661e8b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i[915,928] [2023-11-29 06:42:23,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:42:23,459 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:42:23,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23 WrapperNode [2023-11-29 06:42:23,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:42:23,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:42:23,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:42:23,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:42:23,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,512 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2023-11-29 06:42:23,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:42:23,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:42:23,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:42:23,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:42:23,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,530 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,545 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:42:23,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:42:23,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:42:23,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:42:23,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:42:23,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (1/1) ... [2023-11-29 06:42:23,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:42:23,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:42:23,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:42:23,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:42:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:42:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:42:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:42:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:42:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:42:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:42:23,734 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:42:23,737 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:42:24,220 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:42:24,274 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:42:24,275 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:42:24,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:42:24 BoogieIcfgContainer [2023-11-29 06:42:24,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:42:24,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:42:24,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:42:24,283 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:42:24,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:42:23" (1/3) ... [2023-11-29 06:42:24,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a31154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:42:24, skipping insertion in model container [2023-11-29 06:42:24,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:42:23" (2/3) ... [2023-11-29 06:42:24,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a31154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:42:24, skipping insertion in model container [2023-11-29 06:42:24,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:42:24" (3/3) ... [2023-11-29 06:42:24,286 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-24.i [2023-11-29 06:42:24,308 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:42:24,309 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:42:24,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:42:24,386 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;@7d13e949, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:42:24,387 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:42:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 06:42:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-29 06:42:24,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:42:24,407 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:42:24,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:42:24,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:42:24,414 INFO L85 PathProgramCache]: Analyzing trace with hash 39130111, now seen corresponding path program 1 times [2023-11-29 06:42:24,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:42:24,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753627221] [2023-11-29 06:42:24,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:42:24,430 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 [2023-11-29 06:42:24,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:42:24,432 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:42:24,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:42:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:42:24,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 06:42:24,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:50:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-29 06:50:10,994 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:50:10,995 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:50:10,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753627221] [2023-11-29 06:50:10,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [753627221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:10,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:10,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:50:10,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529100848] [2023-11-29 06:50:10,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:11,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:50:11,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:50:11,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:50:11,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:50:11,026 INFO L87 Difference]: Start difference. First operand has 42 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-29 06:50:12,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:50:12,134 INFO L93 Difference]: Finished difference Result 102 states and 176 transitions. [2023-11-29 06:50:12,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:50:12,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 92 [2023-11-29 06:50:12,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:50:12,144 INFO L225 Difference]: With dead ends: 102 [2023-11-29 06:50:12,144 INFO L226 Difference]: Without dead ends: 61 [2023-11-29 06:50:12,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:50:12,151 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 28 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:50:12,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 150 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:50:12,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-29 06:50:12,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 44. [2023-11-29 06:50:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 06:50:12,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 65 transitions. [2023-11-29 06:50:12,194 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 65 transitions. Word has length 92 [2023-11-29 06:50:12,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:50:12,196 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 65 transitions. [2023-11-29 06:50:12,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-29 06:50:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2023-11-29 06:50:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-29 06:50:12,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:12,200 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:12,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:50:12,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:50:12,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:12,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:12,402 INFO L85 PathProgramCache]: Analyzing trace with hash 40977153, now seen corresponding path program 1 times [2023-11-29 06:50:12,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:50:12,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180519693] [2023-11-29 06:50:12,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:12,403 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 [2023-11-29 06:50:12,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:50:12,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:50:12,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:50:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:12,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 06:50:12,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:54:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-29 06:54:46,496 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:54:46,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:54:46,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180519693] [2023-11-29 06:54:46,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180519693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:54:46,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:54:46,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:54:46,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386080034] [2023-11-29 06:54:46,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:54:46,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:54:46,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:54:46,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:54:46,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:54:46,501 INFO L87 Difference]: Start difference. First operand 44 states and 65 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-29 06:54:47,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:54:47,798 INFO L93 Difference]: Finished difference Result 65 states and 89 transitions. [2023-11-29 06:54:47,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:54:47,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 92 [2023-11-29 06:54:47,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:54:47,802 INFO L225 Difference]: With dead ends: 65 [2023-11-29 06:54:47,802 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 06:54:47,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:54:47,805 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 25 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:54:47,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 152 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 06:54:47,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 06:54:47,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 44. [2023-11-29 06:54:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 06:54:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 65 transitions. [2023-11-29 06:54:47,817 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 65 transitions. Word has length 92 [2023-11-29 06:54:47,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:54:47,818 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 65 transitions. [2023-11-29 06:54:47,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-29 06:54:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2023-11-29 06:54:47,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-29 06:54:47,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:54:47,821 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:54:47,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 06:54:48,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:54:48,022 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:54:48,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:48,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1203615657, now seen corresponding path program 1 times [2023-11-29 06:54:48,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:54:48,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937319351] [2023-11-29 06:54:48,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:48,025 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 [2023-11-29 06:54:48,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:54:48,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:54:48,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2251a5ed-59ae-4595-87ce-59e3ab661e8b/bin/uautomizer-verify-BQ2R08f2Ya/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 (4)] Waiting until timeout for monitored process [2023-11-29 06:54:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:48,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 06:54:48,309 INFO L285 TraceCheckSpWp]: Computing forward predicates...