./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-examples/standard_copy8_ground-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-examples/standard_copy8_ground-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 675f35e66fa59545cd4a52408711c9386973ccbbb0528c29e7af26cf7aa65f50 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 20:33:23,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 20:33:23,850 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-21 20:33:23,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 20:33:23,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 20:33:23,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 20:33:23,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 20:33:23,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 20:33:23,877 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 20:33:23,877 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 20:33:23,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 20:33:23,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 20:33:23,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 20:33:23,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 20:33:23,879 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 20:33:23,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 20:33:23,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 20:33:23,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 20:33:23,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 20:33:23,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 20:33:23,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 20:33:23,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 20:33:23,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 20:33:23,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 20:33:23,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 20:33:23,883 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 20:33:23,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 20:33:23,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 20:33:23,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 20:33:23,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 20:33:23,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 20:33:23,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 20:33:23,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 20:33:23,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 20:33:23,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 20:33:23,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 20:33:23,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 20:33:23,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 20:33:23,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 20:33:23,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 20:33:23,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 20:33:23,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 20:33:23,888 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675f35e66fa59545cd4a52408711c9386973ccbbb0528c29e7af26cf7aa65f50 [2024-11-21 20:33:24,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 20:33:24,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 20:33:24,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 20:33:24,168 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 20:33:24,169 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 20:33:24,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_copy8_ground-2.i [2024-11-21 20:33:25,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 20:33:25,828 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 20:33:25,829 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_copy8_ground-2.i [2024-11-21 20:33:25,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/218c3ddc2/ab495798cda749609d1dfcaa22a950d3/FLAGe9edf36db [2024-11-21 20:33:25,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/218c3ddc2/ab495798cda749609d1dfcaa22a950d3 [2024-11-21 20:33:25,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 20:33:25,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 20:33:25,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 20:33:25,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 20:33:25,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 20:33:25,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:33:25" (1/1) ... [2024-11-21 20:33:25,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556e1985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:25, skipping insertion in model container [2024-11-21 20:33:25,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:33:25" (1/1) ... [2024-11-21 20:33:25,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 20:33:26,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_copy8_ground-2.i[816,829] [2024-11-21 20:33:26,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 20:33:26,121 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 20:33:26,132 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_copy8_ground-2.i[816,829] [2024-11-21 20:33:26,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 20:33:26,167 INFO L204 MainTranslator]: Completed translation [2024-11-21 20:33:26,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26 WrapperNode [2024-11-21 20:33:26,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 20:33:26,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 20:33:26,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 20:33:26,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 20:33:26,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,207 INFO L138 Inliner]: procedures = 16, calls = 54, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 180 [2024-11-21 20:33:26,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 20:33:26,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 20:33:26,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 20:33:26,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 20:33:26,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,224 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,239 INFO L175 MemorySlicer]: Split 22 memory accesses to 10 slices as follows [2, 2, 3, 2, 3, 2, 2, 2, 2, 2]. 14 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 2, 1, 1, 1, 1, 1, 1, 1]. [2024-11-21 20:33:26,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 20:33:26,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 20:33:26,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 20:33:26,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 20:33:26,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (1/1) ... [2024-11-21 20:33:26,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 20:33:26,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 20:33:26,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-21 20:33:26,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-21 20:33:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 20:33:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-21 20:33:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-21 20:33:26,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-21 20:33:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-21 20:33:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-21 20:33:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-21 20:33:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-21 20:33:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-21 20:33:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-21 20:33:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-21 20:33:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 20:33:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-21 20:33:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-21 20:33:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-21 20:33:26,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-21 20:33:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-21 20:33:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-21 20:33:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-21 20:33:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-21 20:33:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-21 20:33:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-21 20:33:26,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 20:33:26,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 20:33:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-21 20:33:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-21 20:33:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-21 20:33:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-21 20:33:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-21 20:33:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-21 20:33:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-21 20:33:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-21 20:33:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-21 20:33:26,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-21 20:33:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 20:33:26,541 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 20:33:26,543 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 20:33:26,806 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-21 20:33:26,806 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 20:33:26,821 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 20:33:26,822 INFO L316 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-21 20:33:26,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:33:26 BoogieIcfgContainer [2024-11-21 20:33:26,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 20:33:26,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 20:33:26,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 20:33:26,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 20:33:26,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:33:25" (1/3) ... [2024-11-21 20:33:26,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d81a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:33:26, skipping insertion in model container [2024-11-21 20:33:26,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:33:26" (2/3) ... [2024-11-21 20:33:26,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d81a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:33:26, skipping insertion in model container [2024-11-21 20:33:26,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:33:26" (3/3) ... [2024-11-21 20:33:26,831 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_copy8_ground-2.i [2024-11-21 20:33:26,850 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 20:33:26,851 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 20:33:26,912 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 20:33:26,918 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;@67be28d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 20:33:26,919 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 20:33:26,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 37 states have (on average 1.5945945945945945) internal successors, (59), 38 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-21 20:33:26,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:33:26,930 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:33:26,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:33:26,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:33:26,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1852783825, now seen corresponding path program 1 times [2024-11-21 20:33:26,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:33:26,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150880238] [2024-11-21 20:33:26,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 20:33:26,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:33:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 20:33:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 20:33:27,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:33:27,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150880238] [2024-11-21 20:33:27,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150880238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 20:33:27,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 20:33:27,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 20:33:27,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256336581] [2024-11-21 20:33:27,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 20:33:27,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 20:33:27,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:33:27,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 20:33:27,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 20:33:27,278 INFO L87 Difference]: Start difference. First operand has 39 states, 37 states have (on average 1.5945945945945945) internal successors, (59), 38 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:27,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:33:27,317 INFO L93 Difference]: Finished difference Result 76 states and 116 transitions. [2024-11-21 20:33:27,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 20:33:27,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-21 20:33:27,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:33:27,328 INFO L225 Difference]: With dead ends: 76 [2024-11-21 20:33:27,329 INFO L226 Difference]: Without dead ends: 37 [2024-11-21 20:33:27,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 20:33:27,338 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 20:33:27,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 89 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 20:33:27,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-21 20:33:27,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2024-11-21 20:33:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2024-11-21 20:33:27,379 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 23 [2024-11-21 20:33:27,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:33:27,379 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2024-11-21 20:33:27,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2024-11-21 20:33:27,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-21 20:33:27,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:33:27,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:33:27,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 20:33:27,382 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:33:27,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:33:27,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1595357053, now seen corresponding path program 1 times [2024-11-21 20:33:27,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:33:27,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400884701] [2024-11-21 20:33:27,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 20:33:27,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:33:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 20:33:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 20:33:27,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:33:27,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400884701] [2024-11-21 20:33:27,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400884701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 20:33:27,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018623915] [2024-11-21 20:33:27,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 20:33:27,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:33:27,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 20:33:27,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 20:33:27,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-21 20:33:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 20:33:27,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-21 20:33:27,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 20:33:27,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 20:33:27,662 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 20:33:27,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018623915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 20:33:27,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 20:33:27,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-21 20:33:27,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697379994] [2024-11-21 20:33:27,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 20:33:27,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 20:33:27,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:33:27,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 20:33:27,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 20:33:27,667 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:27,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:33:27,773 INFO L93 Difference]: Finished difference Result 80 states and 104 transitions. [2024-11-21 20:33:27,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 20:33:27,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-21 20:33:27,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:33:27,775 INFO L225 Difference]: With dead ends: 80 [2024-11-21 20:33:27,775 INFO L226 Difference]: Without dead ends: 52 [2024-11-21 20:33:27,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 20:33:27,777 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 8 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-21 20:33:27,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 39 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-21 20:33:27,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-21 20:33:27,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2024-11-21 20:33:27,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 43 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:27,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2024-11-21 20:33:27,789 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 25 [2024-11-21 20:33:27,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:33:27,790 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2024-11-21 20:33:27,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:27,790 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2024-11-21 20:33:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-21 20:33:27,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:33:27,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:33:27,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-21 20:33:27,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:33:27,993 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:33:27,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:33:27,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1558845843, now seen corresponding path program 1 times [2024-11-21 20:33:27,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:33:27,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3371726] [2024-11-21 20:33:27,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 20:33:27,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:33:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 20:33:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-21 20:33:28,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:33:28,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3371726] [2024-11-21 20:33:28,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3371726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 20:33:28,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892339343] [2024-11-21 20:33:28,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 20:33:28,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:33:28,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 20:33:28,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 20:33:28,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 20:33:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 20:33:28,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 20:33:28,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 20:33:28,372 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-21 20:33:28,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 20:33:28,398 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-21 20:33:28,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892339343] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 20:33:28,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 20:33:28,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-21 20:33:28,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810927663] [2024-11-21 20:33:28,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 20:33:28,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 20:33:28,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:33:28,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 20:33:28,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 20:33:28,400 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:28,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:33:28,425 INFO L93 Difference]: Finished difference Result 89 states and 109 transitions. [2024-11-21 20:33:28,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 20:33:28,426 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2024-11-21 20:33:28,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:33:28,427 INFO L225 Difference]: With dead ends: 89 [2024-11-21 20:33:28,427 INFO L226 Difference]: Without dead ends: 50 [2024-11-21 20:33:28,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 20:33:28,428 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 20:33:28,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 122 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 20:33:28,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-21 20:33:28,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-21 20:33:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 49 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2024-11-21 20:33:28,438 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 41 [2024-11-21 20:33:28,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:33:28,439 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2024-11-21 20:33:28,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2024-11-21 20:33:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-21 20:33:28,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:33:28,440 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:33:28,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 20:33:28,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-21 20:33:28,641 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:33:28,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:33:28,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1467949145, now seen corresponding path program 2 times [2024-11-21 20:33:28,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:33:28,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759407913] [2024-11-21 20:33:28,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 20:33:28,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:33:28,702 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 20:33:28,703 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 20:33:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-21 20:33:28,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:33:28,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759407913] [2024-11-21 20:33:28,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759407913] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 20:33:28,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978489008] [2024-11-21 20:33:28,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 20:33:28,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:33:28,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 20:33:28,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 20:33:28,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 20:33:28,953 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 20:33:28,953 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 20:33:28,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 20:33:28,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 20:33:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-21 20:33:28,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 20:33:29,005 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-21 20:33:29,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978489008] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 20:33:29,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 20:33:29,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-21 20:33:29,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529189967] [2024-11-21 20:33:29,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 20:33:29,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 20:33:29,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:33:29,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 20:33:29,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 20:33:29,012 INFO L87 Difference]: Start difference. First operand 50 states and 59 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:29,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:33:29,209 INFO L93 Difference]: Finished difference Result 133 states and 173 transitions. [2024-11-21 20:33:29,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 20:33:29,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-11-21 20:33:29,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:33:29,211 INFO L225 Difference]: With dead ends: 133 [2024-11-21 20:33:29,211 INFO L226 Difference]: Without dead ends: 98 [2024-11-21 20:33:29,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-21 20:33:29,212 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 58 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-21 20:33:29,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 39 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-21 20:33:29,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-21 20:33:29,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-21 20:33:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.1030927835051547) internal successors, (107), 97 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:29,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 107 transitions. [2024-11-21 20:33:29,228 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 107 transitions. Word has length 47 [2024-11-21 20:33:29,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:33:29,231 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 107 transitions. [2024-11-21 20:33:29,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:29,232 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 107 transitions. [2024-11-21 20:33:29,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-21 20:33:29,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:33:29,234 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:33:29,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 20:33:29,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:33:29,435 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:33:29,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:33:29,436 INFO L85 PathProgramCache]: Analyzing trace with hash -68874121, now seen corresponding path program 3 times [2024-11-21 20:33:29,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:33:29,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33439754] [2024-11-21 20:33:29,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 20:33:29,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:33:29,610 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-21 20:33:29,611 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 20:33:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-21 20:33:29,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:33:29,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33439754] [2024-11-21 20:33:29,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33439754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 20:33:29,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976465321] [2024-11-21 20:33:29,792 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 20:33:29,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:33:29,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 20:33:29,797 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 20:33:29,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 20:33:30,475 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-21 20:33:30,475 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 20:33:30,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 20:33:30,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 20:33:30,524 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-21 20:33:30,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 20:33:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-21 20:33:30,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976465321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 20:33:30,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 20:33:30,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-21 20:33:30,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930813236] [2024-11-21 20:33:30,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 20:33:30,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 20:33:30,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:33:30,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 20:33:30,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 20:33:30,608 INFO L87 Difference]: Start difference. First operand 98 states and 107 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:30,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:33:30,993 INFO L93 Difference]: Finished difference Result 271 states and 335 transitions. [2024-11-21 20:33:30,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 20:33:30,994 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-21 20:33:30,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:33:30,996 INFO L225 Difference]: With dead ends: 271 [2024-11-21 20:33:30,998 INFO L226 Difference]: Without dead ends: 194 [2024-11-21 20:33:30,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-21 20:33:31,000 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 212 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-21 20:33:31,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 39 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-21 20:33:31,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-21 20:33:31,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-21 20:33:31,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 193 states have (on average 1.0518134715025906) internal successors, (203), 193 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 203 transitions. [2024-11-21 20:33:31,030 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 203 transitions. Word has length 95 [2024-11-21 20:33:31,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:33:31,030 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 203 transitions. [2024-11-21 20:33:31,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 203 transitions. [2024-11-21 20:33:31,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-21 20:33:31,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:33:31,034 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:33:31,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-21 20:33:31,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:33:31,238 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:33:31,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:33:31,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1734143465, now seen corresponding path program 4 times [2024-11-21 20:33:31,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:33:31,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717063960] [2024-11-21 20:33:31,239 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 20:33:31,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:33:31,351 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 20:33:31,352 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 20:33:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-21 20:33:31,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:33:31,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717063960] [2024-11-21 20:33:31,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717063960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 20:33:31,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237854069] [2024-11-21 20:33:31,629 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 20:33:31,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:33:31,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 20:33:31,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 20:33:31,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 20:33:31,888 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 20:33:31,888 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 20:33:31,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 20:33:31,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 20:33:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-21 20:33:31,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 20:33:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-21 20:33:31,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237854069] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 20:33:31,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 20:33:31,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-21 20:33:31,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997960418] [2024-11-21 20:33:31,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 20:33:31,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-21 20:33:31,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 20:33:31,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-21 20:33:31,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-21 20:33:31,990 INFO L87 Difference]: Start difference. First operand 194 states and 203 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:32,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 20:33:32,027 INFO L93 Difference]: Finished difference Result 389 states and 412 transitions. [2024-11-21 20:33:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 20:33:32,028 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2024-11-21 20:33:32,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 20:33:32,029 INFO L225 Difference]: With dead ends: 389 [2024-11-21 20:33:32,029 INFO L226 Difference]: Without dead ends: 206 [2024-11-21 20:33:32,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-21 20:33:32,031 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 20:33:32,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 122 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 20:33:32,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-21 20:33:32,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-21 20:33:32,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 1.048780487804878) internal successors, (215), 205 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:32,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 215 transitions. [2024-11-21 20:33:32,044 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 215 transitions. Word has length 191 [2024-11-21 20:33:32,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 20:33:32,045 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 215 transitions. [2024-11-21 20:33:32,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 20:33:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 215 transitions. [2024-11-21 20:33:32,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-21 20:33:32,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 20:33:32,047 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 20:33:32,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 20:33:32,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:33:32,249 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 20:33:32,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 20:33:32,249 INFO L85 PathProgramCache]: Analyzing trace with hash -206831093, now seen corresponding path program 5 times [2024-11-21 20:33:32,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 20:33:32,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565440973] [2024-11-21 20:33:32,249 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 20:33:32,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 20:33:32,572 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-21 20:33:32,573 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 20:33:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-21 20:33:33,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 20:33:33,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565440973] [2024-11-21 20:33:33,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565440973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 20:33:33,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51149999] [2024-11-21 20:33:33,120 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 20:33:33,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 20:33:33,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 20:33:33,125 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 20:33:33,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process