./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_copy9_ground-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_copy9_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 aab03c22d13215fab0d6755eff6eea090232335ae63c67c9d83313131cbb4c89 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 14:29:46,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 14:29:46,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 14:29:46,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 14:29:46,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 14:29:46,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 14:29:46,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 14:29:46,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 14:29:46,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 14:29:46,781 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 14:29:46,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 14:29:46,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 14:29:46,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 14:29:46,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 14:29:46,783 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 14:29:46,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 14:29:46,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 14:29:46,783 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 14:29:46,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 14:29:46,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 14:29:46,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 14:29:46,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 14:29:46,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 14:29:46,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 14:29:46,787 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 14:29:46,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 14:29:46,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 14:29:46,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 14:29:46,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 14:29:46,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 14:29:46,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 14:29:46,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 14:29:46,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 14:29:46,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 14:29:46,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 14:29:46,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 14:29:46,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 14:29:46,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 14:29:46,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 14:29:46,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 14:29:46,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 14:29:46,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 14:29:46,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aab03c22d13215fab0d6755eff6eea090232335ae63c67c9d83313131cbb4c89 [2024-10-12 14:29:46,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 14:29:47,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 14:29:47,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 14:29:47,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 14:29:47,015 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 14:29:47,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_copy9_ground-2.i [2024-10-12 14:29:48,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 14:29:48,548 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 14:29:48,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_copy9_ground-2.i [2024-10-12 14:29:48,554 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1012ae266/36364f57ec0c44449f2a1825efbf0bf2/FLAG96ca9d684 [2024-10-12 14:29:48,945 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1012ae266/36364f57ec0c44449f2a1825efbf0bf2 [2024-10-12 14:29:48,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 14:29:48,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 14:29:48,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 14:29:48,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 14:29:48,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 14:29:48,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 02:29:48" (1/1) ... [2024-10-12 14:29:48,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ef8928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:48, skipping insertion in model container [2024-10-12 14:29:48,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 02:29:48" (1/1) ... [2024-10-12 14:29:48,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 14:29:49,199 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/array-examples/standard_copy9_ground-2.i[816,829] [2024-10-12 14:29:49,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 14:29:49,256 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 14:29:49,270 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/array-examples/standard_copy9_ground-2.i[816,829] [2024-10-12 14:29:49,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 14:29:49,325 INFO L204 MainTranslator]: Completed translation [2024-10-12 14:29:49,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49 WrapperNode [2024-10-12 14:29:49,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 14:29:49,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 14:29:49,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 14:29:49,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 14:29:49,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,389 INFO L138 Inliner]: procedures = 16, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 192 [2024-10-12 14:29:49,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 14:29:49,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 14:29:49,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 14:29:49,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 14:29:49,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,413 INFO L175 MemorySlicer]: Split 23 memory accesses to 11 slices as follows [2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 13 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, 0]. The 10 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-10-12 14:29:49,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 14:29:49,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 14:29:49,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 14:29:49,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 14:29:49,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (1/1) ... [2024-10-12 14:29:49,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 14:29:49,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:29:49,484 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) [2024-10-12 14:29:49,490 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 [2024-10-12 14:29:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 14:29:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 14:29:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 14:29:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 14:29:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 14:29:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-12 14:29:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-12 14:29:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-12 14:29:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-12 14:29:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-12 14:29:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-12 14:29:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-12 14:29:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 14:29:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 14:29:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 14:29:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 14:29:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-12 14:29:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-12 14:29:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-12 14:29:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-12 14:29:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-12 14:29:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-12 14:29:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-12 14:29:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-12 14:29:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 14:29:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 14:29:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 14:29:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 14:29:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 14:29:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-12 14:29:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-12 14:29:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-12 14:29:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-12 14:29:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-12 14:29:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-12 14:29:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-12 14:29:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-12 14:29:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 14:29:49,658 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 14:29:49,659 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 14:29:49,943 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-12 14:29:49,943 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 14:29:49,992 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 14:29:49,992 INFO L314 CfgBuilder]: Removed 11 assume(true) statements. [2024-10-12 14:29:49,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 02:29:49 BoogieIcfgContainer [2024-10-12 14:29:49,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 14:29:49,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 14:29:49,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 14:29:50,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 14:29:50,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 02:29:48" (1/3) ... [2024-10-12 14:29:50,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dad3cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 02:29:50, skipping insertion in model container [2024-10-12 14:29:50,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:29:49" (2/3) ... [2024-10-12 14:29:50,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dad3cf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 02:29:50, skipping insertion in model container [2024-10-12 14:29:50,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 02:29:49" (3/3) ... [2024-10-12 14:29:50,003 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_copy9_ground-2.i [2024-10-12 14:29:50,023 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 14:29:50,024 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 14:29:50,067 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 14:29:50,072 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;@64b1c6b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 14:29:50,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 14:29:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 27 states have internal predecessors, (50), 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) [2024-10-12 14:29:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-12 14:29:50,081 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:29:50,081 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] [2024-10-12 14:29:50,082 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:29:50,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:29:50,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1323528616, now seen corresponding path program 1 times [2024-10-12 14:29:50,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:29:50,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521765332] [2024-10-12 14:29:50,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:29:50,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:29:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:29:50,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 14:29:50,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:29:50,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521765332] [2024-10-12 14:29:50,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521765332] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 14:29:50,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 14:29:50,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 14:29:50,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497716898] [2024-10-12 14:29:50,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 14:29:50,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 14:29:50,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 14:29:50,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 14:29:50,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 14:29:50,353 INFO L87 Difference]: Start difference. First operand has 28 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 27 states have internal predecessors, (50), 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 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2024-10-12 14:29:50,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 14:29:50,417 INFO L93 Difference]: Finished difference Result 55 states and 99 transitions. [2024-10-12 14:29:50,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 14:29:50,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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 24 [2024-10-12 14:29:50,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 14:29:50,426 INFO L225 Difference]: With dead ends: 55 [2024-10-12 14:29:50,426 INFO L226 Difference]: Without dead ends: 27 [2024-10-12 14:29:50,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 14:29:50,432 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 14:29:50,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 14:29:50,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-12 14:29:50,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-12 14:29:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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) [2024-10-12 14:29:50,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2024-10-12 14:29:50,462 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 24 [2024-10-12 14:29:50,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 14:29:50,462 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2024-10-12 14:29:50,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2024-10-12 14:29:50,462 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-10-12 14:29:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-12 14:29:50,463 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:29:50,463 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] [2024-10-12 14:29:50,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 14:29:50,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:29:50,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:29:50,464 INFO L85 PathProgramCache]: Analyzing trace with hash -801417200, now seen corresponding path program 1 times [2024-10-12 14:29:50,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:29:50,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11603460] [2024-10-12 14:29:50,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:29:50,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:29:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:29:50,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 14:29:50,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:29:50,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11603460] [2024-10-12 14:29:50,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11603460] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 14:29:50,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521938313] [2024-10-12 14:29:50,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:29:50,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:29:50,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:29:50,561 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) [2024-10-12 14:29:50,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-12 14:29:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:29:50,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 14:29:50,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 14:29:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-12 14:29:50,690 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 14:29:50,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521938313] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 14:29:50,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 14:29:50,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2024-10-12 14:29:50,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659771024] [2024-10-12 14:29:50,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 14:29:50,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 14:29:50,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 14:29:50,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 14:29:50,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-12 14:29:50,695 INFO L87 Difference]: Start difference. First operand 27 states and 37 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) [2024-10-12 14:29:50,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 14:29:50,778 INFO L93 Difference]: Finished difference Result 58 states and 85 transitions. [2024-10-12 14:29:50,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 14:29:50,779 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 [2024-10-12 14:29:50,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 14:29:50,780 INFO L225 Difference]: With dead ends: 58 [2024-10-12 14:29:50,780 INFO L226 Difference]: Without dead ends: 36 [2024-10-12 14:29:50,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-12 14:29:50,782 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 14:29:50,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 14:29:50,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-10-12 14:29:50,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-10-12 14:29:50,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 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) [2024-10-12 14:29:50,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2024-10-12 14:29:50,791 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 46 transitions. Word has length 25 [2024-10-12 14:29:50,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 14:29:50,791 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 46 transitions. [2024-10-12 14:29:50,791 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) [2024-10-12 14:29:50,792 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2024-10-12 14:29:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-12 14:29:50,796 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:29:50,796 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] [2024-10-12 14:29:50,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-12 14:29:50,996 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 [2024-10-12 14:29:50,997 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:29:50,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:29:50,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1532542569, now seen corresponding path program 1 times [2024-10-12 14:29:50,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:29:50,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093264377] [2024-10-12 14:29:50,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:29:50,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:29:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:29:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-12 14:29:51,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:29:51,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093264377] [2024-10-12 14:29:51,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093264377] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 14:29:51,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592327493] [2024-10-12 14:29:51,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:29:51,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:29:51,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:29:51,113 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) [2024-10-12 14:29:51,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-12 14:29:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:29:51,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 14:29:51,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 14:29:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-12 14:29:51,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 14:29:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-12 14:29:51,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592327493] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 14:29:51,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 14:29:51,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-12 14:29:51,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075510516] [2024-10-12 14:29:51,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 14:29:51,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 14:29:51,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 14:29:51,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 14:29:51,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-12 14:29:51,252 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2024-10-12 14:29:51,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 14:29:51,291 INFO L93 Difference]: Finished difference Result 72 states and 94 transitions. [2024-10-12 14:29:51,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 14:29:51,292 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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 34 [2024-10-12 14:29:51,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 14:29:51,292 INFO L225 Difference]: With dead ends: 72 [2024-10-12 14:29:51,292 INFO L226 Difference]: Without dead ends: 39 [2024-10-12 14:29:51,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-12 14:29:51,293 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 14:29:51,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 14:29:51,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-10-12 14:29:51,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-10-12 14:29:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 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) [2024-10-12 14:29:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2024-10-12 14:29:51,298 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 34 [2024-10-12 14:29:51,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 14:29:51,298 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2024-10-12 14:29:51,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2024-10-12 14:29:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2024-10-12 14:29:51,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-12 14:29:51,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:29:51,299 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-12 14:29:51,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-12 14:29:51,502 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 [2024-10-12 14:29:51,502 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:29:51,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:29:51,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1253645871, now seen corresponding path program 2 times [2024-10-12 14:29:51,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:29:51,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768252718] [2024-10-12 14:29:51,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:29:51,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:29:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:29:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-12 14:29:51,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:29:51,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768252718] [2024-10-12 14:29:51,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768252718] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 14:29:51,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145369767] [2024-10-12 14:29:51,612 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 14:29:51,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:29:51,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:29:51,618 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) [2024-10-12 14:29:51,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-12 14:29:51,710 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-12 14:29:51,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 14:29:51,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-12 14:29:51,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 14:29:51,747 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-12 14:29:51,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 14:29:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-12 14:29:51,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145369767] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 14:29:51,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 14:29:51,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 14 [2024-10-12 14:29:51,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796228364] [2024-10-12 14:29:51,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 14:29:51,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-12 14:29:51,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 14:29:51,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-12 14:29:51,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-10-12 14:29:51,804 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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) [2024-10-12 14:29:51,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 14:29:51,895 INFO L93 Difference]: Finished difference Result 87 states and 121 transitions. [2024-10-12 14:29:51,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 14:29:51,895 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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 37 [2024-10-12 14:29:51,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 14:29:51,896 INFO L225 Difference]: With dead ends: 87 [2024-10-12 14:29:51,896 INFO L226 Difference]: Without dead ends: 54 [2024-10-12 14:29:51,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-10-12 14:29:51,898 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 14:29:51,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 14:29:51,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-12 14:29:51,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-12 14:29:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 53 states have internal predecessors, (64), 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) [2024-10-12 14:29:51,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2024-10-12 14:29:51,904 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 37 [2024-10-12 14:29:51,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 14:29:51,904 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2024-10-12 14:29:51,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 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) [2024-10-12 14:29:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2024-10-12 14:29:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-12 14:29:51,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:29:51,905 INFO L215 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 14:29:51,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-12 14:29:52,105 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 [2024-10-12 14:29:52,106 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:29:52,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:29:52,106 INFO L85 PathProgramCache]: Analyzing trace with hash 58690422, now seen corresponding path program 3 times [2024-10-12 14:29:52,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:29:52,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132748794] [2024-10-12 14:29:52,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:29:52,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:29:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:29:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-12 14:29:52,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:29:52,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132748794] [2024-10-12 14:29:52,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132748794] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 14:29:52,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146957487] [2024-10-12 14:29:52,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-12 14:29:52,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:29:52,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:29:52,479 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) [2024-10-12 14:29:52,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-12 14:29:52,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-12 14:29:52,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 14:29:52,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 14:29:52,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 14:29:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-12 14:29:52,622 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 14:29:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-10-12 14:29:52,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146957487] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 14:29:52,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 14:29:52,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 19 [2024-10-12 14:29:52,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835061788] [2024-10-12 14:29:52,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 14:29:52,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-12 14:29:52,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 14:29:52,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-12 14:29:52,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2024-10-12 14:29:52,658 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 19 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 19 states have internal predecessors, (69), 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) [2024-10-12 14:29:52,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 14:29:52,836 INFO L93 Difference]: Finished difference Result 133 states and 189 transitions. [2024-10-12 14:29:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-12 14:29:52,836 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 19 states have internal predecessors, (69), 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 52 [2024-10-12 14:29:52,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 14:29:52,837 INFO L225 Difference]: With dead ends: 133 [2024-10-12 14:29:52,838 INFO L226 Difference]: Without dead ends: 91 [2024-10-12 14:29:52,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2024-10-12 14:29:52,839 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-12 14:29:52,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-12 14:29:52,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-10-12 14:29:52,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-10-12 14:29:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.1222222222222222) internal successors, (101), 90 states have internal predecessors, (101), 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) [2024-10-12 14:29:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 101 transitions. [2024-10-12 14:29:52,852 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 101 transitions. Word has length 52 [2024-10-12 14:29:52,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 14:29:52,853 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 101 transitions. [2024-10-12 14:29:52,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 19 states have internal predecessors, (69), 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) [2024-10-12 14:29:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2024-10-12 14:29:52,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-12 14:29:52,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:29:52,855 INFO L215 NwaCegarLoop]: trace histogram [11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 14:29:52,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-12 14:29:53,055 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 [2024-10-12 14:29:53,056 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:29:53,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:29:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash -903149136, now seen corresponding path program 4 times [2024-10-12 14:29:53,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:29:53,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212839222] [2024-10-12 14:29:53,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:29:53,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:29:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:29:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-12 14:29:53,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:29:53,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212839222] [2024-10-12 14:29:53,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212839222] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 14:29:53,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598232233] [2024-10-12 14:29:53,442 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-12 14:29:53,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:29:53,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:29:53,444 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) [2024-10-12 14:29:53,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-12 14:29:53,671 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-12 14:29:53,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 14:29:53,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-12 14:29:53,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 14:29:53,713 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-12 14:29:53,714 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 14:29:53,943 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-12 14:29:53,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598232233] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 14:29:53,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 14:29:53,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2024-10-12 14:29:53,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479078859] [2024-10-12 14:29:53,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 14:29:53,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-12 14:29:53,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 14:29:53,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-12 14:29:53,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2024-10-12 14:29:53,947 INFO L87 Difference]: Start difference. First operand 91 states and 101 transitions. Second operand has 27 states, 27 states have (on average 2.185185185185185) internal successors, (59), 26 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) [2024-10-12 14:29:54,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 14:29:54,004 INFO L93 Difference]: Finished difference Result 182 states and 214 transitions. [2024-10-12 14:29:54,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-12 14:29:54,004 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.185185185185185) internal successors, (59), 26 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) Word has length 89 [2024-10-12 14:29:54,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 14:29:54,005 INFO L225 Difference]: With dead ends: 182 [2024-10-12 14:29:54,007 INFO L226 Difference]: Without dead ends: 104 [2024-10-12 14:29:54,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2024-10-12 14:29:54,008 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 14:29:54,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 14:29:54,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-12 14:29:54,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-12 14:29:54,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.1067961165048543) internal successors, (114), 103 states have internal predecessors, (114), 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) [2024-10-12 14:29:54,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 114 transitions. [2024-10-12 14:29:54,015 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 114 transitions. Word has length 89 [2024-10-12 14:29:54,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 14:29:54,015 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 114 transitions. [2024-10-12 14:29:54,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.185185185185185) internal successors, (59), 26 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) [2024-10-12 14:29:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2024-10-12 14:29:54,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-12 14:29:54,016 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:29:54,017 INFO L215 NwaCegarLoop]: trace histogram [24, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 14:29:54,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-12 14:29:54,220 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 [2024-10-12 14:29:54,221 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:29:54,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:29:54,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1173286006, now seen corresponding path program 5 times [2024-10-12 14:29:54,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:29:54,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420333185] [2024-10-12 14:29:54,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:29:54,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:29:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:29:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-10-12 14:29:55,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:29:55,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420333185] [2024-10-12 14:29:55,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420333185] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 14:29:55,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570616485] [2024-10-12 14:29:55,002 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-12 14:29:55,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:29:55,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:29:55,007 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) [2024-10-12 14:29:55,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process