./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU --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 1afef333d2d5ce937d4e371f5893af89013ff82bbfaa9da10d02f3a397c05cb5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:21,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:21,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:17:21,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:21,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:21,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:21,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:21,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:21,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:21,171 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:21,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:17:21,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:17:21,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:21,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:21,174 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:21,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:21,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:17:21,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:17:21,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:21,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:17:21,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:21,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:17:21,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:17:21,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:17:21,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:21,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:17:21,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:21,187 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:21,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:21,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:21,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:17:21,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:17:21,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:21,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:21,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:17:21,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:17:21,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:21,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:17:21,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:17:21,195 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:17:21,195 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:17:21,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:17:21,196 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_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1afef333d2d5ce937d4e371f5893af89013ff82bbfaa9da10d02f3a397c05cb5 [2024-10-31 22:17:21,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:21,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:21,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:21,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:21,531 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:21,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i Unable to find full path for "g++" [2024-10-31 22:17:23,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:23,978 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:23,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i [2024-10-31 22:17:23,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/data/fa2adc6f7/65723d7ed888428397ad4e5e9ac7221e/FLAG8051be174 [2024-10-31 22:17:24,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/data/fa2adc6f7/65723d7ed888428397ad4e5e9ac7221e [2024-10-31 22:17:24,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:24,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:24,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:24,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:24,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:24,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466a3f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24, skipping insertion in model container [2024-10-31 22:17:24,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:24,286 WARN L251 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_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i[913,926] [2024-10-31 22:17:24,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:24,434 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:24,451 WARN L251 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_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i[913,926] [2024-10-31 22:17:24,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:24,510 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:24,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24 WrapperNode [2024-10-31 22:17:24,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:24,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:24,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:24,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:24,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,574 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-10-31 22:17:24,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:24,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:24,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:24,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:24,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,607 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]. [2024-10-31 22:17:24,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:24,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:24,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:24,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:24,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (1/1) ... [2024-10-31 22:17:24,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:24,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:24,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:24,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:17:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:17:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:17:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:17:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:24,831 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:24,834 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:25,191 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 22:17:25,191 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:25,212 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:25,212 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:17:25,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:25 BoogieIcfgContainer [2024-10-31 22:17:25,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:25,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:17:25,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:17:25,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:17:25,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:17:24" (1/3) ... [2024-10-31 22:17:25,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8661639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:25, skipping insertion in model container [2024-10-31 22:17:25,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:24" (2/3) ... [2024-10-31 22:17:25,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8661639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:25, skipping insertion in model container [2024-10-31 22:17:25,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:25" (3/3) ... [2024-10-31 22:17:25,224 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-80.i [2024-10-31 22:17:25,244 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:17:25,244 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:17:25,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:17:25,343 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;@44b9e0fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:17:25,343 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:17:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:17:25,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-31 22:17:25,363 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:25,364 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:25,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:25,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:25,372 INFO L85 PathProgramCache]: Analyzing trace with hash -241923401, now seen corresponding path program 1 times [2024-10-31 22:17:25,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:25,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43952664] [2024-10-31 22:17:25,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:25,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:17:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:17:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-31 22:17:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:17:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:17:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:17:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:17:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:17:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:17:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:17:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 22:17:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:17:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:17:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:17:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:17:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:17:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:17:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,903 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-31 22:17:25,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:25,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43952664] [2024-10-31 22:17:25,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43952664] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:25,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:25,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:25,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542329077] [2024-10-31 22:17:25,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:25,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:17:25,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:25,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:17:25,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:17:25,952 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 22:17:25,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:25,991 INFO L93 Difference]: Finished difference Result 95 states and 157 transitions. [2024-10-31 22:17:25,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:17:25,995 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2024-10-31 22:17:25,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:26,005 INFO L225 Difference]: With dead ends: 95 [2024-10-31 22:17:26,005 INFO L226 Difference]: Without dead ends: 47 [2024-10-31 22:17:26,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:17:26,019 INFO L432 NwaCegarLoop]: 66 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, 66 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 [2024-10-31 22:17:26,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:17:26,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-31 22:17:26,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-31 22:17:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:17:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2024-10-31 22:17:26,084 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 109 [2024-10-31 22:17:26,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:26,085 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2024-10-31 22:17:26,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 22:17:26,086 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2024-10-31 22:17:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-31 22:17:26,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:26,091 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:26,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:17:26,092 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:26,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:26,095 INFO L85 PathProgramCache]: Analyzing trace with hash 985876905, now seen corresponding path program 1 times [2024-10-31 22:17:26,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:26,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124624636] [2024-10-31 22:17:26,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:26,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:17:26,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167110814] [2024-10-31 22:17:26,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:26,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:26,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:26,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:26,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:17:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:26,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:26,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:26,748 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:17:26,750 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:17:26,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:26,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:26,955 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:17:27,034 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:17:27,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:17:27 BoogieIcfgContainer [2024-10-31 22:17:27,038 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:17:27,038 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:17:27,038 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:17:27,039 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:17:27,039 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:25" (3/4) ... [2024-10-31 22:17:27,045 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:17:27,047 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:17:27,048 INFO L158 Benchmark]: Toolchain (without parser) took 3018.91ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 120.2MB in the beginning and 105.3MB in the end (delta: 15.0MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2024-10-31 22:17:27,048 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 163.6MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:17:27,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.95ms. Allocated memory is still 163.6MB. Free memory was 120.2MB in the beginning and 105.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:17:27,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.14ms. Allocated memory is still 163.6MB. Free memory was 105.1MB in the beginning and 102.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:17:27,050 INFO L158 Benchmark]: Boogie Preprocessor took 56.69ms. Allocated memory is still 163.6MB. Free memory was 102.5MB in the beginning and 99.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:17:27,050 INFO L158 Benchmark]: RCFGBuilder took 580.07ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 81.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:17:27,051 INFO L158 Benchmark]: TraceAbstraction took 1822.69ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 81.4MB in the beginning and 105.3MB in the end (delta: -23.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-10-31 22:17:27,051 INFO L158 Benchmark]: Witness Printer took 8.34ms. Allocated memory is still 201.3MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:17:27,054 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 163.6MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.95ms. Allocated memory is still 163.6MB. Free memory was 120.2MB in the beginning and 105.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.14ms. Allocated memory is still 163.6MB. Free memory was 105.1MB in the beginning and 102.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.69ms. Allocated memory is still 163.6MB. Free memory was 102.5MB in the beginning and 99.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 580.07ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 81.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1822.69ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 81.4MB in the beginning and 105.3MB in the end (delta: -23.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 8.34ms. Allocated memory is still 201.3MB. Free memory is still 105.3MB. 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 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_8 = 128; [L24] signed short int var_1_9 = -1; [L25] signed short int var_1_10 = 1; [L26] signed char var_1_12 = 0; [L27] unsigned char var_1_13 = 1; [L28] signed char var_1_14 = 2; [L29] double var_1_15 = 1.8; [L30] double var_1_16 = 25.8; [L31] double var_1_17 = 5.5; [L32] double var_1_18 = 4.3; [L33] double var_1_19 = 500.7; [L34] double var_1_20 = 127.5; [L35] double var_1_21 = 1.5; [L36] double var_1_22 = 99.84; [L37] unsigned short int var_1_23 = 4; [L38] signed char var_1_24 = -64; VAL [isInitial=0, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=128, var_1_9=-1] [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L62] var_1_8 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L63] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L64] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L64] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L65] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L65] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L66] var_1_9 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L67] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L68] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L69] var_1_10 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L70] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L71] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L73] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L75] var_1_14 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L78] var_1_16 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L79] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L80] var_1_17 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L81] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L82] var_1_18 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L83] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L84] var_1_19 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L85] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L86] var_1_20 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L87] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L88] var_1_21 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L89] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L102] RET updateVariables() [L103] CALL step() [L42] var_1_22 = var_1_19 [L43] var_1_23 = var_1_10 [L44] var_1_24 = var_1_14 [L45] unsigned char stepLocal_0 = var_1_23 <= var_1_24; VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L46] COND FALSE !(var_1_13 || stepLocal_0) [L49] var_1_12 = var_1_14 VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L51] signed short int stepLocal_1 = var_1_10; VAL [isInitial=1, stepLocal_1=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L52] COND TRUE stepLocal_1 <= (var_1_23 / var_1_8) [L53] var_1_15 = ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L57] COND TRUE (((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8)))) [L58] var_1_1 = (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L103] RET step() [L104] CALL, EXPR property() [L94-L95] return (((((((((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8))))) ? (var_1_1 == ((signed short int) (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))))) : 1) && ((var_1_13 || (var_1_23 <= var_1_24)) ? (var_1_12 == ((signed char) ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))))) : (var_1_12 == ((signed char) var_1_14)))) && ((var_1_10 <= (var_1_23 / var_1_8)) ? (var_1_15 == ((double) ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))))) : (var_1_15 == ((double) (var_1_20 - var_1_21))))) && (var_1_22 == ((double) var_1_19))) && (var_1_23 == ((unsigned short int) var_1_10))) && (var_1_24 == ((signed char) var_1_14)) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 66 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 544/544 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 [2024-10-31 22:17:27,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/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_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU --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 1afef333d2d5ce937d4e371f5893af89013ff82bbfaa9da10d02f3a397c05cb5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:29,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:29,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:17:29,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:29,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:29,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:29,718 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:29,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:29,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:29,722 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:29,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:17:29,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:17:29,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:29,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:29,726 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:29,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:29,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:17:29,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:17:29,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:17:29,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:29,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:17:29,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:17:29,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:17:29,734 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:17:29,734 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:17:29,735 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:29,735 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:17:29,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:17:29,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:29,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:29,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:29,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:29,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:17:29,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:17:29,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:29,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:29,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:17:29,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:17:29,740 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:17:29,740 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:17:29,740 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:17:29,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:17:29,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:17:29,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:17:29,768 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:17:29,768 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_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1afef333d2d5ce937d4e371f5893af89013ff82bbfaa9da10d02f3a397c05cb5 [2024-10-31 22:17:30,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:30,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:30,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:30,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:30,280 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:30,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i Unable to find full path for "g++" [2024-10-31 22:17:32,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:32,614 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:32,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i [2024-10-31 22:17:32,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/data/64d76df5b/9f9d3ad0fe8a4e47aad4fe8afef425c8/FLAG98be76db9 [2024-10-31 22:17:32,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/data/64d76df5b/9f9d3ad0fe8a4e47aad4fe8afef425c8 [2024-10-31 22:17:32,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:32,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:32,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:32,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:32,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:32,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:32" (1/1) ... [2024-10-31 22:17:32,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3062d67b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:32, skipping insertion in model container [2024-10-31 22:17:32,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:32" (1/1) ... [2024-10-31 22:17:32,698 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:32,943 WARN L251 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_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i[913,926] [2024-10-31 22:17:33,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:33,059 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:33,075 WARN L251 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_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-80.i[913,926] [2024-10-31 22:17:33,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:33,141 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:33,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33 WrapperNode [2024-10-31 22:17:33,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:33,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:33,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:33,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:33,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,212 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-10-31 22:17:33,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:33,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:33,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:33,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:33,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,257 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]. [2024-10-31 22:17:33,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:33,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:33,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:33,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:33,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:33,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:33,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:33,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:17:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:17:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:17:33,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:17:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:33,533 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:33,539 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:34,640 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 22:17:34,641 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:34,656 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:34,656 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:17:34,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:34 BoogieIcfgContainer [2024-10-31 22:17:34,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:34,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:17:34,660 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:17:34,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:17:34,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:17:32" (1/3) ... [2024-10-31 22:17:34,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208e5975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:34, skipping insertion in model container [2024-10-31 22:17:34,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (2/3) ... [2024-10-31 22:17:34,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208e5975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:34, skipping insertion in model container [2024-10-31 22:17:34,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:34" (3/3) ... [2024-10-31 22:17:34,668 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-80.i [2024-10-31 22:17:34,688 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:17:34,689 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:17:34,757 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:17:34,767 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;@21d98cdd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:17:34,768 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:17:34,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:17:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-31 22:17:34,789 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:34,790 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:34,791 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:34,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:34,800 INFO L85 PathProgramCache]: Analyzing trace with hash -241923401, now seen corresponding path program 1 times [2024-10-31 22:17:34,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:17:34,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977541149] [2024-10-31 22:17:34,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:34,821 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 [2024-10-31 22:17:34,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:17:34,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:17:34,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:17:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:35,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:17:35,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-10-31 22:17:35,323 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:17:35,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:17:35,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977541149] [2024-10-31 22:17:35,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977541149] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:35,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:35,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:35,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915257977] [2024-10-31 22:17:35,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:35,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:17:35,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:17:35,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:17:35,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:17:35,372 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 22:17:35,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:35,414 INFO L93 Difference]: Finished difference Result 95 states and 157 transitions. [2024-10-31 22:17:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:17:35,417 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2024-10-31 22:17:35,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:35,425 INFO L225 Difference]: With dead ends: 95 [2024-10-31 22:17:35,426 INFO L226 Difference]: Without dead ends: 47 [2024-10-31 22:17:35,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:17:35,434 INFO L432 NwaCegarLoop]: 66 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, 66 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 [2024-10-31 22:17:35,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:17:35,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-31 22:17:35,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-31 22:17:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:17:35,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2024-10-31 22:17:35,488 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 109 [2024-10-31 22:17:35,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:35,488 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2024-10-31 22:17:35,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 22:17:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2024-10-31 22:17:35,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-31 22:17:35,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:35,494 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:35,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:17:35,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:17:35,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:35,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:35,700 INFO L85 PathProgramCache]: Analyzing trace with hash 985876905, now seen corresponding path program 1 times [2024-10-31 22:17:35,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:17:35,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822428737] [2024-10-31 22:17:35,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:35,701 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 [2024-10-31 22:17:35,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:17:35,714 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:17:35,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00f20b5-2ddc-4b7d-9368-d91ace9b8506/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:17:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:36,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-31 22:17:36,741 INFO L278 TraceCheckSpWp]: Computing forward predicates...