./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84eeb297e823eb36482e14540b5864bb912f8862fcf27c075ed8bdc65c440193 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:34:32,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:34:32,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:34:32,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:34:32,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:34:32,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:34:32,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:34:32,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:34:32,380 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:34:32,381 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:34:32,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:34:32,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:34:32,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:34:32,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:34:32,386 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:34:32,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:34:32,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:34:32,387 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:34:32,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:34:32,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:34:32,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:34:32,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:34:32,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:34:32,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:34:32,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:34:32,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:34:32,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:34:32,391 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:34:32,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:34:32,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:34:32,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:34:32,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:34:32,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:34:32,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:34:32,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:34:32,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:34:32,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:34:32,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:34:32,412 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:34:32,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:34:32,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:34:32,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:34:32,414 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_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84eeb297e823eb36482e14540b5864bb912f8862fcf27c075ed8bdc65c440193 [2024-11-08 18:34:32,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:34:32,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:34:32,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:34:32,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:34:32,755 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:34:32,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-53.i Unable to find full path for "g++" [2024-11-08 18:34:34,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:34:34,972 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:34:34,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-53.i [2024-11-08 18:34:34,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/data/c2be5710e/5e479a4c93b84ab2a37990e3ca93ea39/FLAG24d3f757c [2024-11-08 18:34:35,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/data/c2be5710e/5e479a4c93b84ab2a37990e3ca93ea39 [2024-11-08 18:34:35,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:34:35,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:34:35,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:34:35,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:34:35,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:34:35,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142ccab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35, skipping insertion in model container [2024-11-08 18:34:35,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:34:35,625 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-53.i[913,926] [2024-11-08 18:34:35,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:34:35,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:34:35,697 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-53.i[913,926] [2024-11-08 18:34:35,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:34:35,767 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:34:35,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35 WrapperNode [2024-11-08 18:34:35,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:34:35,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:34:35,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:34:35,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:34:35,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,815 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-08 18:34:35,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:34:35,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:34:35,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:34:35,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:34:35,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,848 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:34:35,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:34:35,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:34:35,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:34:35,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:34:35,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (1/1) ... [2024-11-08 18:34:35,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:34:35,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:34:35,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:34:35,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:34:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:34:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:34:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:34:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:34:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:34:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:34:36,046 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:34:36,052 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:34:36,408 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 18:34:36,408 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:34:36,421 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:34:36,421 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:34:36,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:34:36 BoogieIcfgContainer [2024-11-08 18:34:36,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:34:36,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:34:36,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:34:36,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:34:36,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:34:35" (1/3) ... [2024-11-08 18:34:36,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2877fe79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:34:36, skipping insertion in model container [2024-11-08 18:34:36,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:34:35" (2/3) ... [2024-11-08 18:34:36,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2877fe79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:34:36, skipping insertion in model container [2024-11-08 18:34:36,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:34:36" (3/3) ... [2024-11-08 18:34:36,433 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-53.i [2024-11-08 18:34:36,452 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:34:36,453 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:34:36,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:34:36,526 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@29db214d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:34:36,527 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:34:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 18:34:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 18:34:36,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:34:36,544 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:34:36,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:34:36,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:34:36,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1209723455, now seen corresponding path program 1 times [2024-11-08 18:34:36,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:34:36,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980093630] [2024-11-08 18:34:36,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:34:36,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:34:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:34:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:34:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:34:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:34:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:34:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:34:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:34:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:34:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:34:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:34:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:34:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:34:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:34:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:34:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:34:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 18:34:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:34:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:34:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:36,981 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 18:34:36,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:34:36,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980093630] [2024-11-08 18:34:36,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980093630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:34:36,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:34:36,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:34:36,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556727468] [2024-11-08 18:34:36,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:34:36,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:34:36,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:34:37,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:34:37,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:34:37,019 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 18:34:37,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:34:37,049 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-11-08 18:34:37,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:34:37,055 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2024-11-08 18:34:37,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:34:37,067 INFO L225 Difference]: With dead ends: 101 [2024-11-08 18:34:37,067 INFO L226 Difference]: Without dead ends: 50 [2024-11-08 18:34:37,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:34:37,077 INFO L432 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:34:37,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:34:37,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-08 18:34:37,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-08 18:34:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 18:34:37,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-08 18:34:37,135 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 113 [2024-11-08 18:34:37,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:34:37,138 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-08 18:34:37,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 18:34:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-08 18:34:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 18:34:37,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:34:37,145 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:34:37,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:34:37,145 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:34:37,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:34:37,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1899597627, now seen corresponding path program 1 times [2024-11-08 18:34:37,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:34:37,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998809144] [2024-11-08 18:34:37,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:34:37,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:34:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:34:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:34:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:34:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:34:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:34:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:34:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:34:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:34:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:34:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:34:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:34:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:34:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:34:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:34:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:34:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 18:34:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:34:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:34:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,494 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 129 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-11-08 18:34:39,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:34:39,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998809144] [2024-11-08 18:34:39,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998809144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:34:39,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094847208] [2024-11-08 18:34:39,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:34:39,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:34:39,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:34:39,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:34:39,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:34:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:39,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 18:34:39,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:34:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 182 proven. 153 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-11-08 18:34:41,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:34:43,626 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 156 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-08 18:34:43,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094847208] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:34:43,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:34:43,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17, 15] total 38 [2024-11-08 18:34:43,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919542418] [2024-11-08 18:34:43,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:34:43,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-08 18:34:43,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:34:43,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-08 18:34:43,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=1002, Unknown=0, NotChecked=0, Total=1406 [2024-11-08 18:34:43,633 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 38 states, 35 states have (on average 2.857142857142857) internal successors, (100), 33 states have internal predecessors, (100), 14 states have call successors, (54), 6 states have call predecessors, (54), 13 states have return successors, (54), 11 states have call predecessors, (54), 14 states have call successors, (54) [2024-11-08 18:34:45,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:34:45,069 INFO L93 Difference]: Finished difference Result 188 states and 256 transitions. [2024-11-08 18:34:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-08 18:34:45,072 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 35 states have (on average 2.857142857142857) internal successors, (100), 33 states have internal predecessors, (100), 14 states have call successors, (54), 6 states have call predecessors, (54), 13 states have return successors, (54), 11 states have call predecessors, (54), 14 states have call successors, (54) Word has length 113 [2024-11-08 18:34:45,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:34:45,077 INFO L225 Difference]: With dead ends: 188 [2024-11-08 18:34:45,078 INFO L226 Difference]: Without dead ends: 141 [2024-11-08 18:34:45,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=697, Invalid=1753, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 18:34:45,083 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 275 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 18:34:45,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 405 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 18:34:45,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-08 18:34:45,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 122. [2024-11-08 18:34:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 77 states have internal predecessors, (91), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 18:34:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions. [2024-11-08 18:34:45,122 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 163 transitions. Word has length 113 [2024-11-08 18:34:45,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:34:45,123 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 163 transitions. [2024-11-08 18:34:45,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 35 states have (on average 2.857142857142857) internal successors, (100), 33 states have internal predecessors, (100), 14 states have call successors, (54), 6 states have call predecessors, (54), 13 states have return successors, (54), 11 states have call predecessors, (54), 14 states have call successors, (54) [2024-11-08 18:34:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 163 transitions. [2024-11-08 18:34:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-08 18:34:45,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:34:45,125 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:34:45,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 18:34:45,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 18:34:45,330 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:34:45,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:34:45,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1819278771, now seen corresponding path program 1 times [2024-11-08 18:34:45,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:34:45,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239690770] [2024-11-08 18:34:45,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:34:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:34:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:45,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:34:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:45,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:34:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:34:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:34:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:45,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:34:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:45,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:34:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:34:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:34:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:34:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:34:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:34:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:34:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:34:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 18:34:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:34:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 18:34:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:34:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 18:34:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,114 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 48 proven. 120 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-08 18:34:46,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:34:46,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239690770] [2024-11-08 18:34:46,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239690770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:34:46,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076965126] [2024-11-08 18:34:46,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:34:46,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:34:46,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:34:46,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:34:46,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:34:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:34:46,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 18:34:46,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:34:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 388 proven. 141 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-08 18:34:47,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:34:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 75 proven. 111 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-08 18:34:53,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076965126] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:34:53,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:34:53,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 17, 14] total 31 [2024-11-08 18:34:53,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145152305] [2024-11-08 18:34:53,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:34:53,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-08 18:34:53,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:34:53,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-08 18:34:53,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=674, Unknown=0, NotChecked=0, Total=930 [2024-11-08 18:34:53,596 INFO L87 Difference]: Start difference. First operand 122 states and 163 transitions. Second operand has 31 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 28 states have internal predecessors, (82), 12 states have call successors, (48), 6 states have call predecessors, (48), 13 states have return successors, (49), 12 states have call predecessors, (49), 12 states have call successors, (49) [2024-11-08 18:34:55,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:34:55,453 INFO L93 Difference]: Finished difference Result 275 states and 344 transitions. [2024-11-08 18:34:55,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-08 18:34:55,454 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 28 states have internal predecessors, (82), 12 states have call successors, (48), 6 states have call predecessors, (48), 13 states have return successors, (49), 12 states have call predecessors, (49), 12 states have call successors, (49) Word has length 114 [2024-11-08 18:34:55,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:34:55,457 INFO L225 Difference]: With dead ends: 275 [2024-11-08 18:34:55,457 INFO L226 Difference]: Without dead ends: 156 [2024-11-08 18:34:55,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=489, Invalid=1151, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 18:34:55,460 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 76 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:34:55,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 189 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 18:34:55,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-08 18:34:55,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 144. [2024-11-08 18:34:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 91 states have (on average 1.0769230769230769) internal successors, (98), 91 states have internal predecessors, (98), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 18:34:55,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2024-11-08 18:34:55,492 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 114 [2024-11-08 18:34:55,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:34:55,493 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2024-11-08 18:34:55,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 28 states have internal predecessors, (82), 12 states have call successors, (48), 6 states have call predecessors, (48), 13 states have return successors, (49), 12 states have call predecessors, (49), 12 states have call successors, (49) [2024-11-08 18:34:55,494 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2024-11-08 18:34:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-08 18:34:55,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:34:55,495 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:34:55,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:34:55,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:34:55,696 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:34:55,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:34:55,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1795630155, now seen corresponding path program 1 times [2024-11-08 18:34:55,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:34:55,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591037594] [2024-11-08 18:34:55,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:34:55,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:34:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:34:55,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:34:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:34:55,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:34:55,841 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:34:55,842 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:34:55,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:34:55,847 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 18:34:55,951 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:34:55,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:34:55 BoogieIcfgContainer [2024-11-08 18:34:55,956 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:34:55,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:34:55,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:34:55,957 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:34:55,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:34:36" (3/4) ... [2024-11-08 18:34:55,961 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:34:55,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:34:55,964 INFO L158 Benchmark]: Toolchain (without parser) took 20618.72ms. Allocated memory was 146.8MB in the beginning and 293.6MB in the end (delta: 146.8MB). Free memory was 107.0MB in the beginning and 108.5MB in the end (delta: -1.5MB). Peak memory consumption was 147.9MB. Max. memory is 16.1GB. [2024-11-08 18:34:55,964 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 146.8MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:34:55,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.93ms. Allocated memory is still 146.8MB. Free memory was 107.0MB in the beginning and 92.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:34:55,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.59ms. Allocated memory is still 146.8MB. Free memory was 92.5MB in the beginning and 89.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:34:55,966 INFO L158 Benchmark]: Boogie Preprocessor took 49.68ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 86.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:34:55,966 INFO L158 Benchmark]: RCFGBuilder took 555.60ms. Allocated memory is still 146.8MB. Free memory was 86.2MB in the beginning and 68.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 18:34:55,967 INFO L158 Benchmark]: TraceAbstraction took 19531.32ms. Allocated memory was 146.8MB in the beginning and 293.6MB in the end (delta: 146.8MB). Free memory was 68.2MB in the beginning and 109.5MB in the end (delta: -41.3MB). Peak memory consumption was 105.9MB. Max. memory is 16.1GB. [2024-11-08 18:34:55,967 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 293.6MB. Free memory was 109.5MB in the beginning and 108.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:34:55,969 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 146.8MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.93ms. Allocated memory is still 146.8MB. Free memory was 107.0MB in the beginning and 92.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.59ms. Allocated memory is still 146.8MB. Free memory was 92.5MB in the beginning and 89.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.68ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 86.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 555.60ms. Allocated memory is still 146.8MB. Free memory was 86.2MB in the beginning and 68.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 19531.32ms. Allocated memory was 146.8MB in the beginning and 293.6MB in the end (delta: 146.8MB). Free memory was 68.2MB in the beginning and 109.5MB in the end (delta: -41.3MB). Peak memory consumption was 105.9MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 293.6MB. Free memory was 109.5MB in the beginning and 108.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 99. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_3 = 1456677701; [L24] unsigned long int var_1_4 = 1000000000; [L25] unsigned long int var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 0; [L29] double var_1_9 = 256.5; [L30] double var_1_10 = 8.8; [L31] unsigned char var_1_11 = 1; [L32] unsigned short int var_1_12 = 16; [L33] unsigned long int var_1_13 = 3110219175; [L34] unsigned short int var_1_14 = 128; [L35] unsigned char var_1_15 = 1; [L36] unsigned char var_1_16 = 0; VAL [isInitial=0, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] FCALL updateLastVariables() [L107] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_3 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L68] RET assume_abort_if_not(var_1_3 >= 1073741823) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L69] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L69] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L70] var_1_4 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_4 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L71] RET assume_abort_if_not(var_1_4 >= 536870911) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L72] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L72] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L73] var_1_5 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L74] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L75] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L75] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L76] var_1_7 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=513/2] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=513/2] [L78] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=513/2] [L78] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=513/2] [L79] var_1_9 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L80] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L81] var_1_10 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L82] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L83] var_1_11 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L84] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L85] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L85] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L86] var_1_13 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L87] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L88] CALL assume_abort_if_not(var_1_13 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L88] RET assume_abort_if_not(var_1_13 <= 4294967295) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L89] var_1_14 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L90] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L91] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L91] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L92] var_1_16 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L93] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L94] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L94] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L107] RET updateVariables() [L108] CALL step() [L40] var_1_6 = var_1_7 VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L41] COND TRUE var_1_5 <= (var_1_13 - var_1_4) [L42] var_1_12 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L44] COND TRUE (var_1_9 * 16.5f) > var_1_10 [L45] var_1_15 = (! var_1_11) VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L49] var_1_1 = (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))) [L50] signed long int stepLocal_1 = (((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)); [L51] unsigned long int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=1073741823, stepLocal_1=0, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L52] COND TRUE stepLocal_1 != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) VAL [isInitial=1, stepLocal_0=1073741823, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L53] COND FALSE !(var_1_9 == var_1_10) VAL [isInitial=1, stepLocal_0=1073741823, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return ((((var_1_1 == ((unsigned long int) (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))))) && (var_1_6 == ((unsigned char) var_1_7))) && ((((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12))) != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) ? ((var_1_9 == var_1_10) ? (var_1_6 ? ((var_1_3 >= var_1_12) ? (var_1_8 == ((unsigned char) (var_1_7 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_7))) : 1) : 1) : (var_1_8 == ((unsigned char) var_1_11)))) && ((var_1_5 <= (var_1_13 - var_1_4)) ? (var_1_12 == ((unsigned short int) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))) : 1)) && (((var_1_9 * 16.5f) > var_1_10) ? (var_1_15 == ((unsigned char) (! var_1_11))) : (var_1_15 == ((unsigned char) (var_1_11 && var_1_16)))) ; VAL [\result=0, isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.3s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 361 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 351 mSDsluCounter, 667 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 497 mSDsCounter, 223 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1041 IncrementalHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 223 mSolverCounterUnsat, 170 mSDtfsCounter, 1041 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 623 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=3, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 31 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 681 NumberOfCodeBlocks, 681 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 787 ConstructedInterpolants, 0 QuantifiedInterpolants, 7457 SizeOfPredicates, 14 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 3474/4284 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:34:56,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84eeb297e823eb36482e14540b5864bb912f8862fcf27c075ed8bdc65c440193 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:34:58,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:34:58,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:34:58,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:34:58,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:34:58,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:34:58,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:34:58,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:34:58,554 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:34:58,554 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:34:58,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:34:58,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:34:58,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:34:58,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:34:58,562 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:34:58,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:34:58,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:34:58,564 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:34:58,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:34:58,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:34:58,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:34:58,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:34:58,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:34:58,570 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:34:58,570 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:34:58,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:34:58,571 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:34:58,571 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:34:58,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:34:58,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:34:58,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:34:58,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:34:58,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:34:58,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:34:58,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:34:58,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:34:58,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:34:58,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:34:58,577 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:34:58,577 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:34:58,585 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:34:58,586 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:34:58,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:34:58,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:34:58,588 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_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84eeb297e823eb36482e14540b5864bb912f8862fcf27c075ed8bdc65c440193 [2024-11-08 18:34:58,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:34:59,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:34:59,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:34:59,029 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:34:59,030 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:34:59,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-53.i Unable to find full path for "g++" [2024-11-08 18:35:01,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:35:01,336 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:35:01,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-53.i [2024-11-08 18:35:01,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/data/8f647f731/0110b2e876f2444794d428f0c7611bc8/FLAG0ce1dc1a6 [2024-11-08 18:35:01,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/data/8f647f731/0110b2e876f2444794d428f0c7611bc8 [2024-11-08 18:35:01,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:35:01,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:35:01,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:35:01,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:35:01,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:35:01,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58387605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01, skipping insertion in model container [2024-11-08 18:35:01,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:35:01,647 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-53.i[913,926] [2024-11-08 18:35:01,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:35:01,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:35:01,744 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-53.i[913,926] [2024-11-08 18:35:01,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:35:01,822 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:35:01,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01 WrapperNode [2024-11-08 18:35:01,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:35:01,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:35:01,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:35:01,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:35:01,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,866 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-08 18:35:01,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:35:01,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:35:01,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:35:01,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:35:01,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,884 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,897 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:35:01,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:35:01,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:35:01,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:35:01,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:35:01,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (1/1) ... [2024-11-08 18:35:01,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:35:01,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:35:01,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:35:01,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:35:01,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:35:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:35:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:35:01,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:35:01,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:35:01,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:35:02,063 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:35:02,066 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:35:02,789 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 18:35:02,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:35:02,806 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:35:02,807 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:35:02,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:35:02 BoogieIcfgContainer [2024-11-08 18:35:02,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:35:02,810 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:35:02,810 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:35:02,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:35:02,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:35:01" (1/3) ... [2024-11-08 18:35:02,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abca4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:35:02, skipping insertion in model container [2024-11-08 18:35:02,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:35:01" (2/3) ... [2024-11-08 18:35:02,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abca4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:35:02, skipping insertion in model container [2024-11-08 18:35:02,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:35:02" (3/3) ... [2024-11-08 18:35:02,819 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-53.i [2024-11-08 18:35:02,838 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:35:02,839 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:35:02,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:35:02,914 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@622fdb94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:35:02,914 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:35:02,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 18:35:02,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 18:35:02,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:35:02,932 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:35:02,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:35:02,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:35:02,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1209723455, now seen corresponding path program 1 times [2024-11-08 18:35:02,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:35:02,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131121007] [2024-11-08 18:35:02,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:35:02,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 18:35:02,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:35:02,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 18:35:02,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 18:35:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:35:03,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:35:03,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:35:03,350 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-08 18:35:03,354 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:35:03,354 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:35:03,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1131121007] [2024-11-08 18:35:03,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1131121007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:35:03,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:35:03,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:35:03,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536671034] [2024-11-08 18:35:03,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:35:03,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:35:03,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:35:03,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:35:03,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:35:03,400 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 18:35:03,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:35:03,444 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-11-08 18:35:03,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:35:03,448 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2024-11-08 18:35:03,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:35:03,458 INFO L225 Difference]: With dead ends: 101 [2024-11-08 18:35:03,459 INFO L226 Difference]: Without dead ends: 50 [2024-11-08 18:35:03,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:35:03,470 INFO L432 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:35:03,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:35:03,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-08 18:35:03,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-08 18:35:03,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 18:35:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-08 18:35:03,528 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 113 [2024-11-08 18:35:03,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:35:03,542 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-08 18:35:03,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 18:35:03,542 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-08 18:35:03,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 18:35:03,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:35:03,549 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:35:03,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 18:35:03,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 18:35:03,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:35:03,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:35:03,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1899597627, now seen corresponding path program 1 times [2024-11-08 18:35:03,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:35:03,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877942930] [2024-11-08 18:35:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:35:03,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 18:35:03,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:35:03,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 18:35:03,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 18:35:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:35:04,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 18:35:04,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:35:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 80 proven. 168 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 18:35:06,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:35:06,423 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:35:06,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877942930] [2024-11-08 18:35:06,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877942930] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:35:06,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549980356] [2024-11-08 18:35:06,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:35:06,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:35:06,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:35:06,427 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:35:06,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3c3834-98b1-49c4-93fd-47b3244c54c4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:35:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:35:06,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 18:35:06,582 INFO L278 TraceCheckSpWp]: Computing forward predicates...