./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --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 635d22826d94d730e7ad3ae4f19cd66841ae17da2d3a120d8f593801b41e2197 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 13:37:59,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 13:37:59,644 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 13:37:59,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 13:37:59,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 13:37:59,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 13:37:59,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 13:37:59,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 13:37:59,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 13:37:59,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 13:37:59,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 13:37:59,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 13:37:59,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 13:37:59,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 13:37:59,684 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 13:37:59,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 13:37:59,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 13:37:59,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 13:37:59,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 13:37:59,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 13:37:59,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 13:37:59,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 13:37:59,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 13:37:59,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 13:37:59,688 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 13:37:59,688 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 13:37:59,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 13:37:59,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 13:37:59,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 13:37:59,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 13:37:59,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 13:37:59,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 13:37:59,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:37:59,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 13:37:59,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 13:37:59,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 13:37:59,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 13:37:59,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 13:37:59,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 13:37:59,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 13:37:59,692 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 13:37:59,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 13:37:59,693 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:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635d22826d94d730e7ad3ae4f19cd66841ae17da2d3a120d8f593801b41e2197 [2024-10-11 13:37:59,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 13:38:00,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 13:38:00,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 13:38:00,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 13:38:00,028 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 13:38:00,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i [2024-10-11 13:38:01,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 13:38:01,609 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 13:38:01,611 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i [2024-10-11 13:38:01,620 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/9d7256389/b3c5651eae274eb8a9535542356c8dbe/FLAG1d60392a2 [2024-10-11 13:38:01,634 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/9d7256389/b3c5651eae274eb8a9535542356c8dbe [2024-10-11 13:38:01,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 13:38:01,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 13:38:01,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 13:38:01,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 13:38:01,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 13:38:01,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:01,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b1b7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01, skipping insertion in model container [2024-10-11 13:38:01,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:01,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 13:38:01,849 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i[916,929] [2024-10-11 13:38:01,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:38:01,922 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 13:38:01,931 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-40.i[916,929] [2024-10-11 13:38:01,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:38:01,994 INFO L204 MainTranslator]: Completed translation [2024-10-11 13:38:01,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01 WrapperNode [2024-10-11 13:38:01,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 13:38:01,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 13:38:01,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 13:38:01,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 13:38:02,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,074 INFO L138 Inliner]: procedures = 29, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 509 [2024-10-11 13:38:02,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 13:38:02,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 13:38:02,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 13:38:02,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 13:38:02,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,112 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,155 INFO L175 MemorySlicer]: Split 120 memory accesses to 17 slices as follows [2, 3, 6, 10, 5, 7, 7, 6, 8, 4, 10, 9, 8, 10, 15, 3, 7]. 13 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-10-11 13:38:02,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 13:38:02,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 13:38:02,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 13:38:02,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 13:38:02,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (1/1) ... [2024-10-11 13:38:02,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:38:02,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:38:02,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 13:38:02,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 13:38:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 13:38:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-11 13:38:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-11 13:38:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-11 13:38:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-11 13:38:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-11 13:38:02,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-11 13:38:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-11 13:38:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-11 13:38:02,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-11 13:38:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-11 13:38:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-11 13:38:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-11 13:38:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-11 13:38:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-11 13:38:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-10-11 13:38:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-10-11 13:38:02,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-10-11 13:38:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 13:38:02,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 13:38:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 13:38:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 13:38:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 13:38:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 13:38:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 13:38:02,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 13:38:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 13:38:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 13:38:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 13:38:02,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 13:38:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 13:38:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 13:38:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 13:38:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 13:38:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 13:38:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-11 13:38:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-11 13:38:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-11 13:38:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-11 13:38:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-11 13:38:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-11 13:38:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-11 13:38:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-11 13:38:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-11 13:38:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-11 13:38:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-11 13:38:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-11 13:38:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-11 13:38:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-11 13:38:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-10-11 13:38:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-10-11 13:38:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-10-11 13:38:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 13:38:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 13:38:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 13:38:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 13:38:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 13:38:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 13:38:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 13:38:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 13:38:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 13:38:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 13:38:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 13:38:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 13:38:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 13:38:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 13:38:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 13:38:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 13:38:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 13:38:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-11 13:38:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-11 13:38:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-11 13:38:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-11 13:38:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-11 13:38:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-11 13:38:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-11 13:38:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-11 13:38:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-11 13:38:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-11 13:38:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-11 13:38:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-11 13:38:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-11 13:38:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-10-11 13:38:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-10-11 13:38:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-10-11 13:38:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#16 [2024-10-11 13:38:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 13:38:02,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 13:38:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 13:38:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 13:38:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 13:38:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 13:38:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 13:38:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 13:38:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 13:38:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 13:38:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 13:38:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 13:38:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 13:38:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 13:38:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 13:38:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 13:38:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 13:38:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 13:38:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 13:38:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 13:38:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 13:38:02,565 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 13:38:02,567 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 13:38:03,105 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-10-11 13:38:03,105 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 13:38:03,141 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 13:38:03,141 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 13:38:03,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:38:03 BoogieIcfgContainer [2024-10-11 13:38:03,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 13:38:03,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 13:38:03,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 13:38:03,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 13:38:03,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:38:01" (1/3) ... [2024-10-11 13:38:03,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbbba66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:38:03, skipping insertion in model container [2024-10-11 13:38:03,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:38:01" (2/3) ... [2024-10-11 13:38:03,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbbba66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:38:03, skipping insertion in model container [2024-10-11 13:38:03,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:38:03" (3/3) ... [2024-10-11 13:38:03,152 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-40.i [2024-10-11 13:38:03,168 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 13:38:03,169 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 13:38:03,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 13:38:03,251 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;@38e4931d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 13:38:03,252 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 13:38:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 13:38:03,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-11 13:38:03,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:38:03,271 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:38:03,272 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:38:03,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:38:03,278 INFO L85 PathProgramCache]: Analyzing trace with hash -398761096, now seen corresponding path program 1 times [2024-10-11 13:38:03,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:38:03,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271801717] [2024-10-11 13:38:03,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:38:03,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:38:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:38:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:38:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:38:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:38:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:38:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:38:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:38:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:38:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:38:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:38:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:38:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:38:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:38:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:38:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 13:38:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 13:38:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 13:38:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 13:38:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 13:38:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:03,797 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-11 13:38:03,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:38:03,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271801717] [2024-10-11 13:38:03,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271801717] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:38:03,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:38:03,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 13:38:03,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219206822] [2024-10-11 13:38:03,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:38:03,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 13:38:03,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:38:03,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 13:38:03,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:38:03,910 INFO L87 Difference]: Start difference. First operand has 106 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 13:38:03,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:38:03,964 INFO L93 Difference]: Finished difference Result 209 states and 337 transitions. [2024-10-11 13:38:03,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 13:38:03,966 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 145 [2024-10-11 13:38:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:38:03,974 INFO L225 Difference]: With dead ends: 209 [2024-10-11 13:38:03,974 INFO L226 Difference]: Without dead ends: 104 [2024-10-11 13:38:03,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:38:03,985 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:38:03,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:38:04,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-11 13:38:04,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-11 13:38:04,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 83 states have internal predecessors, (117), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 13:38:04,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 155 transitions. [2024-10-11 13:38:04,043 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 155 transitions. Word has length 145 [2024-10-11 13:38:04,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:38:04,045 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 155 transitions. [2024-10-11 13:38:04,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-11 13:38:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2024-10-11 13:38:04,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-11 13:38:04,049 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:38:04,049 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:38:04,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 13:38:04,050 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:38:04,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:38:04,051 INFO L85 PathProgramCache]: Analyzing trace with hash -473838262, now seen corresponding path program 1 times [2024-10-11 13:38:04,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:38:04,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675023843] [2024-10-11 13:38:04,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:38:04,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:38:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:38:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:38:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:38:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:38:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:38:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:38:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:38:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:38:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:38:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:38:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:38:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:38:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:38:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:38:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 13:38:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 13:38:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 13:38:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 13:38:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 13:38:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-11 13:38:04,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:38:04,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675023843] [2024-10-11 13:38:04,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675023843] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:38:04,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:38:04,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:38:04,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644220298] [2024-10-11 13:38:04,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:38:04,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:38:04,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:38:04,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:38:04,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:38:04,617 INFO L87 Difference]: Start difference. First operand 104 states and 155 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-11 13:38:04,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:38:04,677 INFO L93 Difference]: Finished difference Result 209 states and 312 transitions. [2024-10-11 13:38:04,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:38:04,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2024-10-11 13:38:04,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:38:04,680 INFO L225 Difference]: With dead ends: 209 [2024-10-11 13:38:04,680 INFO L226 Difference]: Without dead ends: 106 [2024-10-11 13:38:04,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:38:04,685 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:38:04,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 440 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:38:04,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-11 13:38:04,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-10-11 13:38:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 85 states have (on average 1.4) internal successors, (119), 85 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 13:38:04,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 157 transitions. [2024-10-11 13:38:04,711 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 157 transitions. Word has length 145 [2024-10-11 13:38:04,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:38:04,712 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 157 transitions. [2024-10-11 13:38:04,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-11 13:38:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2024-10-11 13:38:04,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-11 13:38:04,719 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:38:04,719 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:38:04,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 13:38:04,720 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:38:04,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:38:04,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1196367013, now seen corresponding path program 1 times [2024-10-11 13:38:04,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:38:04,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438049185] [2024-10-11 13:38:04,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:38:04,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:38:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:38:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:38:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:38:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:38:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:38:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:38:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:38:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:38:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:38:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:04,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:38:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:38:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:38:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:38:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:38:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 13:38:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 13:38:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 13:38:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 13:38:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 13:38:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-11 13:38:05,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:38:05,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438049185] [2024-10-11 13:38:05,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438049185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:38:05,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:38:05,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:38:05,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272320562] [2024-10-11 13:38:05,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:38:05,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:38:05,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:38:05,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:38:05,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:38:05,027 INFO L87 Difference]: Start difference. First operand 106 states and 157 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-11 13:38:05,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:38:05,070 INFO L93 Difference]: Finished difference Result 214 states and 317 transitions. [2024-10-11 13:38:05,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:38:05,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-11 13:38:05,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:38:05,074 INFO L225 Difference]: With dead ends: 214 [2024-10-11 13:38:05,076 INFO L226 Difference]: Without dead ends: 109 [2024-10-11 13:38:05,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:38:05,078 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:38:05,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 437 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:38:05,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-11 13:38:05,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-10-11 13:38:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 87 states have internal predecessors, (121), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 13:38:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 159 transitions. [2024-10-11 13:38:05,095 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 159 transitions. Word has length 148 [2024-10-11 13:38:05,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:38:05,096 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 159 transitions. [2024-10-11 13:38:05,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-11 13:38:05,097 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2024-10-11 13:38:05,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-11 13:38:05,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:38:05,102 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:38:05,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 13:38:05,103 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:38:05,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:38:05,104 INFO L85 PathProgramCache]: Analyzing trace with hash 387020387, now seen corresponding path program 1 times [2024-10-11 13:38:05,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:38:05,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572621572] [2024-10-11 13:38:05,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:38:05,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:38:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:38:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 13:38:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 13:38:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 13:38:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 13:38:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 13:38:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 13:38:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 13:38:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 13:38:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 13:38:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 13:38:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:38:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:38:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:38:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 13:38:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 13:38:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 13:38:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 13:38:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 13:38:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:38:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-11 13:38:05,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:38:05,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572621572] [2024-10-11 13:38:05,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572621572] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:38:05,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:38:05,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 13:38:05,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406283546] [2024-10-11 13:38:05,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:38:05,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 13:38:05,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:38:05,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 13:38:05,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:38:05,370 INFO L87 Difference]: Start difference. First operand 108 states and 159 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-11 13:38:05,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:38:05,410 INFO L93 Difference]: Finished difference Result 218 states and 321 transitions. [2024-10-11 13:38:05,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 13:38:05,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-11 13:38:05,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:38:05,415 INFO L225 Difference]: With dead ends: 218 [2024-10-11 13:38:05,415 INFO L226 Difference]: Without dead ends: 111 [2024-10-11 13:38:05,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 13:38:05,417 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:38:05,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 441 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:38:05,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-11 13:38:05,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-10-11 13:38:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 89 states have internal predecessors, (123), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 13:38:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2024-10-11 13:38:05,434 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 148 [2024-10-11 13:38:05,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:38:05,435 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2024-10-11 13:38:05,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-11 13:38:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2024-10-11 13:38:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-11 13:38:05,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:38:05,440 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:38:05,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 13:38:05,440 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:38:05,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:38:05,441 INFO L85 PathProgramCache]: Analyzing trace with hash 387079969, now seen corresponding path program 1 times [2024-10-11 13:38:05,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:38:05,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719664463] [2024-10-11 13:38:05,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:38:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:38:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat