./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-15.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_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/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_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/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_e06398b9-c950-47f1-9736-17f1b880be04/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 f973169401bb1753394cb63d2104eadaf253c35457ff559a70aef9da15f26905 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:27:33,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:27:33,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:27:33,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:27:33,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:27:33,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:27:33,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:27:33,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:27:33,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:27:33,797 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:27:33,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:27:33,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:27:33,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:27:33,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:27:33,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:27:33,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:27:33,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:27:33,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:27:33,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:27:33,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:27:33,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:27:33,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:27:33,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:27:33,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:27:33,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:27:33,810 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:27:33,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:27:33,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:27:33,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:27:33,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:27:33,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:27:33,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:27:33,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:27:33,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:27:33,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:27:33,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:27:33,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:27:33,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:27:33,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:27:33,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:27:33,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:27:33,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:27:33,816 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_e06398b9-c950-47f1-9736-17f1b880be04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f973169401bb1753394cb63d2104eadaf253c35457ff559a70aef9da15f26905 [2024-11-08 17:27:34,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:27:34,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:27:34,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:27:34,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:27:34,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:27:34,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-15.i Unable to find full path for "g++" [2024-11-08 17:27:36,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:27:36,476 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:27:36,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-15.i [2024-11-08 17:27:36,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/data/7f398b585/d055a8a2999b40538c655ea77552c99b/FLAG16d775dc1 [2024-11-08 17:27:36,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/data/7f398b585/d055a8a2999b40538c655ea77552c99b [2024-11-08 17:27:36,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:27:36,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:27:36,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:36,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:27:36,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:27:36,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:36" (1/1) ... [2024-11-08 17:27:36,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cce0bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:36, skipping insertion in model container [2024-11-08 17:27:36,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:36" (1/1) ... [2024-11-08 17:27:36,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:27:37,061 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_e06398b9-c950-47f1-9736-17f1b880be04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-15.i[913,926] [2024-11-08 17:27:37,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:37,130 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:27:37,142 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_e06398b9-c950-47f1-9736-17f1b880be04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-15.i[913,926] [2024-11-08 17:27:37,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:37,198 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:27:37,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37 WrapperNode [2024-11-08 17:27:37,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:37,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:37,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:27:37,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:27:37,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,251 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-08 17:27:37,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:37,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:27:37,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:27:37,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:27:37,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,269 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,286 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:27:37,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:27:37,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:27:37,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:27:37,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:27:37,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (1/1) ... [2024-11-08 17:27:37,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:27:37,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:27:37,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:27:37,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:27:37,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:27:37,411 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:27:37,411 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:27:37,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:27:37,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:27:37,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:27:37,551 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:27:37,554 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:27:37,833 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 17:27:37,833 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:27:37,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:27:37,848 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:27:37,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:37 BoogieIcfgContainer [2024-11-08 17:27:37,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:27:37,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:27:37,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:27:37,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:27:37,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:27:36" (1/3) ... [2024-11-08 17:27:37,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a75415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:37, skipping insertion in model container [2024-11-08 17:27:37,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:37" (2/3) ... [2024-11-08 17:27:37,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a75415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:37, skipping insertion in model container [2024-11-08 17:27:37,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:37" (3/3) ... [2024-11-08 17:27:37,860 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-15.i [2024-11-08 17:27:37,882 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:27:37,882 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:27:37,982 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:27:37,991 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;@35131980, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:27:37,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:27:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 17:27:38,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 17:27:38,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:38,015 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:38,017 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:27:38,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:38,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1424259984, now seen corresponding path program 1 times [2024-11-08 17:27:38,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:38,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926046322] [2024-11-08 17:27:38,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:38,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:27:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:27:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:27:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:27:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:27:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:27:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:27:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:27:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:27:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 17:27:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 17:27:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:27:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 17:27:38,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:38,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926046322] [2024-11-08 17:27:38,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926046322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:38,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:38,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:38,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985708147] [2024-11-08 17:27:38,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:38,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:27:38,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:38,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:27:38,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:27:38,620 INFO L87 Difference]: Start difference. First operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 17:27:38,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:38,654 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions. [2024-11-08 17:27:38,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:27:38,659 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2024-11-08 17:27:38,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:27:38,674 INFO L225 Difference]: With dead ends: 85 [2024-11-08 17:27:38,674 INFO L226 Difference]: Without dead ends: 42 [2024-11-08 17:27:38,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:27:38,686 INFO L432 NwaCegarLoop]: 58 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, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:27:38,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:27:38,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-08 17:27:38,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-08 17:27:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 17:27:38,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2024-11-08 17:27:38,754 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 82 [2024-11-08 17:27:38,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:27:38,757 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2024-11-08 17:27:38,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 17:27:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-11-08 17:27:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 17:27:38,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:38,765 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:38,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:27:38,766 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:27:38,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:38,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1159666024, now seen corresponding path program 1 times [2024-11-08 17:27:38,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:38,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575501461] [2024-11-08 17:27:38,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:27:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:27:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:27:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:27:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:27:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:27:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:27:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:27:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:27:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 17:27:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 17:27:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:27:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,533 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 17:27:39,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:39,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575501461] [2024-11-08 17:27:39,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575501461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:39,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:39,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:27:39,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938789265] [2024-11-08 17:27:39,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:39,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:27:39,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:39,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:27:39,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:27:39,540 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 17:27:39,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:39,612 INFO L93 Difference]: Finished difference Result 95 states and 131 transitions. [2024-11-08 17:27:39,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:27:39,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2024-11-08 17:27:39,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:27:39,616 INFO L225 Difference]: With dead ends: 95 [2024-11-08 17:27:39,616 INFO L226 Difference]: Without dead ends: 56 [2024-11-08 17:27:39,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:27:39,621 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 15 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:27:39,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 121 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:27:39,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-08 17:27:39,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2024-11-08 17:27:39,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 17:27:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2024-11-08 17:27:39,639 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 82 [2024-11-08 17:27:39,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:27:39,641 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2024-11-08 17:27:39,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 17:27:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-11-08 17:27:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 17:27:39,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:39,646 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:39,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:27:39,646 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:27:39,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:39,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1288954280, now seen corresponding path program 1 times [2024-11-08 17:27:39,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:39,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600227795] [2024-11-08 17:27:39,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:39,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:27:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:27:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:27:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:27:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:27:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:27:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:27:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:27:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:27:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 17:27:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 17:27:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:27:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 17:27:39,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:39,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600227795] [2024-11-08 17:27:39,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600227795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:39,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:39,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:27:39,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955325996] [2024-11-08 17:27:39,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:39,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:27:39,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:27:39,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:27:39,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:39,916 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 17:27:39,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:39,967 INFO L93 Difference]: Finished difference Result 127 states and 175 transitions. [2024-11-08 17:27:39,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:27:39,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2024-11-08 17:27:39,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:27:39,970 INFO L225 Difference]: With dead ends: 127 [2024-11-08 17:27:39,970 INFO L226 Difference]: Without dead ends: 85 [2024-11-08 17:27:39,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:39,976 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 28 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:27:39,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 116 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:27:39,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-08 17:27:40,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2024-11-08 17:27:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.2) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:27:40,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2024-11-08 17:27:40,008 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 82 [2024-11-08 17:27:40,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:27:40,009 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2024-11-08 17:27:40,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 17:27:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2024-11-08 17:27:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 17:27:40,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:40,011 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:40,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:27:40,012 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:27:40,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:40,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1334218610, now seen corresponding path program 1 times [2024-11-08 17:27:40,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:40,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276118323] [2024-11-08 17:27:40,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:40,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:40,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:27:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:27:40,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:27:40,366 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:27:40,367 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:27:40,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:27:40,372 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 17:27:40,454 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:27:40,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:27:40 BoogieIcfgContainer [2024-11-08 17:27:40,461 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:27:40,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:27:40,461 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:27:40,461 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:27:40,462 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:37" (3/4) ... [2024-11-08 17:27:40,465 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:27:40,466 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:27:40,468 INFO L158 Benchmark]: Toolchain (without parser) took 3658.86ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 110.2MB in the beginning and 104.8MB in the end (delta: 5.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-11-08 17:27:40,468 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 148.9MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:27:40,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.30ms. Allocated memory is still 148.9MB. Free memory was 109.7MB in the beginning and 95.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:27:40,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.09ms. Allocated memory is still 148.9MB. Free memory was 95.5MB in the beginning and 93.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:27:40,469 INFO L158 Benchmark]: Boogie Preprocessor took 53.84ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 91.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:27:40,470 INFO L158 Benchmark]: RCFGBuilder took 540.88ms. Allocated memory is still 148.9MB. Free memory was 91.3MB in the beginning and 76.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:27:40,473 INFO L158 Benchmark]: TraceAbstraction took 2609.00ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 76.1MB in the beginning and 104.8MB in the end (delta: -28.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-11-08 17:27:40,474 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 190.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:27:40,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 148.9MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.30ms. Allocated memory is still 148.9MB. Free memory was 109.7MB in the beginning and 95.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.09ms. Allocated memory is still 148.9MB. Free memory was 95.5MB in the beginning and 93.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.84ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 91.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.88ms. Allocated memory is still 148.9MB. Free memory was 91.3MB in the beginning and 76.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2609.00ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 76.1MB in the beginning and 104.8MB in the end (delta: -28.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 190.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 91, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -128; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_7 = 8; [L26] unsigned long int var_1_8 = 1; [L27] unsigned long int var_1_9 = 1885310857; [L28] signed long int var_1_10 = -10; [L29] double var_1_11 = 32.6; [L30] double var_1_12 = 9.75; [L31] double var_1_13 = 5.1; [L32] double var_1_14 = 128.1; [L33] double var_1_15 = 63.9; [L34] signed long int last_1_var_1_10 = -10; VAL [isInitial=0, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] CALL updateLastVariables() [L88] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L98] RET updateLastVariables() [L99] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L67] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L68] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L68] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L69] var_1_6 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L71] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L71] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L72] var_1_7 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L73] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L74] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L74] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L75] var_1_9 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_9 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L76] RET assume_abort_if_not(var_1_9 >= 1073741824) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L77] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L77] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L78] var_1_12 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L79] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L80] var_1_13 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L81] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L82] var_1_14 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L83] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L84] var_1_15 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L85] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L99] RET updateVariables() [L100] CALL step() [L38] COND TRUE \read(var_1_2) [L39] var_1_8 = ((1514707036u + ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) - last_1_var_1_10) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L43] COND TRUE \read(var_1_2) [L44] var_1_10 = (var_1_8 + ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L46] unsigned char stepLocal_1 = var_1_2; [L47] signed long int stepLocal_0 = var_1_10; VAL [isInitial=1, last_1_var_1_10=-10, stepLocal_0=-1706518424, stepLocal_1=-255, var_1_10=-1706518424, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L48] COND TRUE stepLocal_1 || ((~ var_1_10) >= var_1_10) VAL [isInitial=1, last_1_var_1_10=-10, stepLocal_0=-1706518424, var_1_10=-1706518424, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L49] COND FALSE !(stepLocal_0 < var_1_8) [L54] var_1_1 = 2 VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_11=163/5, var_1_1=2, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L59] COND TRUE var_1_1 >= var_1_1 [L60] var_1_11 = (var_1_12 - (((((var_1_13 + var_1_14)) > (var_1_15)) ? ((var_1_13 + var_1_14)) : (var_1_15)))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_1=2, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L100] RET step() [L101] CALL, EXPR property() [L91-L92] return ((((var_1_2 || ((~ var_1_10) >= var_1_10)) ? ((var_1_10 < var_1_8) ? ((! var_1_6) ? (var_1_1 == ((signed char) var_1_7)) : 1) : (var_1_1 == ((signed char) 2))) : (var_1_1 == ((signed char) var_1_7))) && (var_1_2 ? (var_1_8 == ((unsigned long int) ((1514707036u + ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) - last_1_var_1_10))) : (var_1_8 == ((unsigned long int) ((((last_1_var_1_10) > (var_1_9)) ? (last_1_var_1_10) : (var_1_9))))))) && (var_1_2 ? (var_1_10 == ((signed long int) (var_1_8 + ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))))) : 1)) && ((var_1_1 >= var_1_1) ? (var_1_11 == ((double) (var_1_12 - (((((var_1_13 + var_1_14)) > (var_1_15)) ? ((var_1_13 + var_1_14)) : (var_1_15)))))) : (var_1_11 == ((double) ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13)))))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_1=2, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_1=2, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_1=2, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 295 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 109 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 186 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=3, InterpolantAutomatonStates: 9, 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, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 243 ConstructedInterpolants, 0 QuantifiedInterpolants, 380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 792/792 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:27:40,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/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_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/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_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/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_e06398b9-c950-47f1-9736-17f1b880be04/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 f973169401bb1753394cb63d2104eadaf253c35457ff559a70aef9da15f26905 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:27:43,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:27:43,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:27:43,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:27:43,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:27:43,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:27:43,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:27:43,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:27:43,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:27:43,178 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:27:43,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:27:43,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:27:43,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:27:43,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:27:43,180 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:27:43,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:27:43,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:27:43,182 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:27:43,182 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:27:43,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:27:43,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:27:43,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:27:43,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:27:43,189 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:27:43,189 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:27:43,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:27:43,190 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:27:43,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:27:43,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:27:43,191 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:27:43,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:27:43,192 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:27:43,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:27:43,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:27:43,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:27:43,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:27:43,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:27:43,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:27:43,194 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:27:43,194 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:27:43,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:27:43,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:27:43,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:27:43,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:27:43,209 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_e06398b9-c950-47f1-9736-17f1b880be04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f973169401bb1753394cb63d2104eadaf253c35457ff559a70aef9da15f26905 [2024-11-08 17:27:43,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:27:43,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:27:43,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:27:43,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:27:43,671 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:27:43,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-15.i Unable to find full path for "g++" [2024-11-08 17:27:45,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:27:46,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:27:46,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-15.i [2024-11-08 17:27:46,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/data/66ef61cbf/02ddafc892eb4798bfe3ad6df9aa9c36/FLAG088d4f67b [2024-11-08 17:27:46,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/data/66ef61cbf/02ddafc892eb4798bfe3ad6df9aa9c36 [2024-11-08 17:27:46,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:27:46,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:27:46,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:46,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:27:46,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:27:46,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581e86af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46, skipping insertion in model container [2024-11-08 17:27:46,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,311 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:27:46,582 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_e06398b9-c950-47f1-9736-17f1b880be04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-15.i[913,926] [2024-11-08 17:27:46,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:46,681 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:27:46,698 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_e06398b9-c950-47f1-9736-17f1b880be04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-15.i[913,926] [2024-11-08 17:27:46,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:27:46,776 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:27:46,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46 WrapperNode [2024-11-08 17:27:46,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:27:46,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:46,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:27:46,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:27:46,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,851 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2024-11-08 17:27:46,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:27:46,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:27:46,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:27:46,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:27:46,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,901 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:27:46,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:27:46,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:27:46,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:27:46,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:27:46,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (1/1) ... [2024-11-08 17:27:46,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:27:47,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:27:47,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:27:47,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:27:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:27:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:27:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:27:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:27:47,262 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:27:47,266 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:27:50,231 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 17:27:50,232 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:27:50,250 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:27:50,250 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:27:50,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:50 BoogieIcfgContainer [2024-11-08 17:27:50,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:27:50,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:27:50,255 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:27:50,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:27:50,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:27:46" (1/3) ... [2024-11-08 17:27:50,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de2c522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:50, skipping insertion in model container [2024-11-08 17:27:50,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:27:46" (2/3) ... [2024-11-08 17:27:50,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de2c522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:50, skipping insertion in model container [2024-11-08 17:27:50,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:50" (3/3) ... [2024-11-08 17:27:50,265 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-15.i [2024-11-08 17:27:50,287 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:27:50,287 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:27:50,362 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:27:50,369 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;@68f2866e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:27:50,369 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:27:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 17:27:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 17:27:50,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:50,387 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:50,387 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:27:50,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:50,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1424259984, now seen corresponding path program 1 times [2024-11-08 17:27:50,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:27:50,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816689888] [2024-11-08 17:27:50,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:50,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:27:50,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:27:50,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:27:50,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 17:27:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:50,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:27:50,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:27:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-08 17:27:50,817 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:27:50,817 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:27:50,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816689888] [2024-11-08 17:27:50,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816689888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:50,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:50,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:50,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7426490] [2024-11-08 17:27:50,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:50,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:27:50,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:27:50,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:27:50,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:27:50,856 INFO L87 Difference]: Start difference. First operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 17:27:50,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:50,884 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions. [2024-11-08 17:27:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:27:50,887 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2024-11-08 17:27:50,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:27:50,897 INFO L225 Difference]: With dead ends: 85 [2024-11-08 17:27:50,897 INFO L226 Difference]: Without dead ends: 42 [2024-11-08 17:27:50,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:27:50,906 INFO L432 NwaCegarLoop]: 58 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, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:27:50,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:27:50,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-08 17:27:50,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-08 17:27:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 17:27:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2024-11-08 17:27:50,959 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 82 [2024-11-08 17:27:50,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:27:50,960 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2024-11-08 17:27:50,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 17:27:50,962 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-11-08 17:27:50,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 17:27:50,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:50,966 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:50,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 17:27:51,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:27:51,167 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:27:51,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:51,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1159666024, now seen corresponding path program 1 times [2024-11-08 17:27:51,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:27:51,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791941766] [2024-11-08 17:27:51,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:51,173 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:27:51,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:27:51,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:27:51,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 17:27:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:51,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:27:51,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:27:52,136 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 53 proven. 30 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-08 17:27:52,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:27:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 17:27:52,391 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:27:52,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791941766] [2024-11-08 17:27:52,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791941766] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:27:52,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:27:52,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-08 17:27:52,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237267913] [2024-11-08 17:27:52,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:52,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:27:52,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:27:52,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:27:52,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:27:52,396 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 17:27:53,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:53,273 INFO L93 Difference]: Finished difference Result 95 states and 131 transitions. [2024-11-08 17:27:53,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:27:53,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2024-11-08 17:27:53,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:27:53,288 INFO L225 Difference]: With dead ends: 95 [2024-11-08 17:27:53,288 INFO L226 Difference]: Without dead ends: 56 [2024-11-08 17:27:53,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:27:53,291 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 16 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:27:53,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 165 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:27:53,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-08 17:27:53,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2024-11-08 17:27:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 17:27:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2024-11-08 17:27:53,304 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 82 [2024-11-08 17:27:53,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:27:53,307 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2024-11-08 17:27:53,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 17:27:53,307 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-11-08 17:27:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 17:27:53,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:53,310 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:53,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/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)] Ended with exit code 0 [2024-11-08 17:27:53,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:27:53,512 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:27:53,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:53,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1288954280, now seen corresponding path program 1 times [2024-11-08 17:27:53,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:27:53,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340516313] [2024-11-08 17:27:53,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:53,515 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:27:53,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:27:53,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:27:53,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/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 (4)] Waiting until timeout for monitored process [2024-11-08 17:27:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:53,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:27:53,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:27:54,356 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 17:27:54,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:27:54,356 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:27:54,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340516313] [2024-11-08 17:27:54,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [340516313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:54,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:54,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:54,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772430144] [2024-11-08 17:27:54,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:54,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:27:54,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:27:54,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:27:54,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:54,366 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 17:27:54,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:54,850 INFO L93 Difference]: Finished difference Result 127 states and 175 transitions. [2024-11-08 17:27:54,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:27:54,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2024-11-08 17:27:54,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:27:54,853 INFO L225 Difference]: With dead ends: 127 [2024-11-08 17:27:54,854 INFO L226 Difference]: Without dead ends: 85 [2024-11-08 17:27:54,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:27:54,856 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 13 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:27:54,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 116 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:27:54,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-08 17:27:54,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2024-11-08 17:27:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.2) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:27:54,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2024-11-08 17:27:54,888 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 82 [2024-11-08 17:27:54,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:27:54,890 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2024-11-08 17:27:54,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-08 17:27:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2024-11-08 17:27:54,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 17:27:54,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:54,897 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:54,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/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 (4)] Ended with exit code 0 [2024-11-08 17:27:55,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:27:55,099 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:27:55,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:55,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1334218610, now seen corresponding path program 1 times [2024-11-08 17:27:55,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:27:55,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280619361] [2024-11-08 17:27:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:55,102 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:27:55,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:27:55,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:27:55,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e06398b9-c950-47f1-9736-17f1b880be04/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 (5)] Waiting until timeout for monitored process [2024-11-08 17:27:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:55,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 17:27:55,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:29:16,299 WARN L286 SmtUtils]: Spent 27.55s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)