/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 12:38:35,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 12:38:35,611 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 12:38:35,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 12:38:35,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 12:38:35,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 12:38:35,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 12:38:35,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 12:38:35,637 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 12:38:35,640 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 12:38:35,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 12:38:35,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 12:38:35,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 12:38:35,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 12:38:35,642 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 12:38:35,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 12:38:35,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 12:38:35,642 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 12:38:35,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 12:38:35,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 12:38:35,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 12:38:35,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 12:38:35,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 12:38:35,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 12:38:35,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 12:38:35,644 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 12:38:35,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 12:38:35,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 12:38:35,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 12:38:35,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 12:38:35,645 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 12:38:35,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 12:38:35,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 12:38:35,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 12:38:35,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 12:38:35,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 12:38:35,646 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 12:38:35,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 12:38:35,646 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 12:38:35,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 12:38:35,647 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 12:38:35,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 12:38:35,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 12:38:35,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 12:38:35,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 12:38:35,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 12:38:35,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 12:38:35,910 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 12:38:35,910 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 12:38:35,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2023-12-21 12:38:36,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 12:38:37,216 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 12:38:37,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2023-12-21 12:38:37,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506d6c240/6097f1e0f68942a298d29d73012fd0d3/FLAGac3ba3847 [2023-12-21 12:38:37,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506d6c240/6097f1e0f68942a298d29d73012fd0d3 [2023-12-21 12:38:37,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 12:38:37,257 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 12:38:37,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 12:38:37,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 12:38:37,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 12:38:37,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:38:37" (1/1) ... [2023-12-21 12:38:37,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742ef8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:37, skipping insertion in model container [2023-12-21 12:38:37,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:38:37" (1/1) ... [2023-12-21 12:38:37,331 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 12:38:37,471 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2023-12-21 12:38:37,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 12:38:37,945 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 12:38:37,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.bug2.i","-S") [42] [2023-12-21 12:38:37,958 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2023-12-21 12:38:38,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 12:38:38,204 INFO L206 MainTranslator]: Completed translation [2023-12-21 12:38:38,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38 WrapperNode [2023-12-21 12:38:38,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 12:38:38,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 12:38:38,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 12:38:38,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 12:38:38,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,419 INFO L138 Inliner]: procedures = 99, calls = 2724, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8476 [2023-12-21 12:38:38,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 12:38:38,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 12:38:38,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 12:38:38,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 12:38:38,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,550 INFO L175 MemorySlicer]: Split 2332 memory accesses to 49 slices as follows [2, 80, 86, 37, 37, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46, 49, 46]. 4 percent of accesses are in the largest equivalence class. The 338 initializations are split as follows [2, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]. The 402 writes are split as follows [0, 7, 7, 7, 7, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6, 11, 6]. [2023-12-21 12:38:38,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 12:38:38,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 12:38:38,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 12:38:38,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 12:38:38,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (1/1) ... [2023-12-21 12:38:38,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 12:38:38,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:38:38,922 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) [2023-12-21 12:38:38,954 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 [2023-12-21 12:38:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2023-12-21 12:38:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2023-12-21 12:38:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2023-12-21 12:38:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2023-12-21 12:38:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-21 12:38:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-21 12:38:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-21 12:38:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-21 12:38:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-21 12:38:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-21 12:38:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-21 12:38:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-21 12:38:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-21 12:38:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-21 12:38:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-21 12:38:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-21 12:38:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-12-21 12:38:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-12-21 12:38:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-12-21 12:38:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-12-21 12:38:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-12-21 12:38:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-12-21 12:38:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-12-21 12:38:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-12-21 12:38:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-12-21 12:38:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-12-21 12:38:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-12-21 12:38:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-12-21 12:38:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#45 [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#46 [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#47 [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#48 [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2023-12-21 12:38:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-21 12:38:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-21 12:38:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-12-21 12:38:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-12-21 12:38:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2023-12-21 12:38:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2023-12-21 12:38:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-12-21 12:38:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-12-21 12:38:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2023-12-21 12:38:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2023-12-21 12:38:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2023-12-21 12:38:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2023-12-21 12:38:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2023-12-21 12:38:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2023-12-21 12:38:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-21 12:38:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-21 12:38:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-21 12:38:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-21 12:38:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-21 12:38:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-21 12:38:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-21 12:38:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-21 12:38:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-21 12:38:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-21 12:38:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-21 12:38:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-21 12:38:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-12-21 12:38:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-12-21 12:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-12-21 12:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-12-21 12:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-12-21 12:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-12-21 12:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-12-21 12:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-12-21 12:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-12-21 12:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-12-21 12:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-12-21 12:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-12-21 12:38:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-12-21 12:38:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-12-21 12:38:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-12-21 12:38:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-12-21 12:38:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-12-21 12:38:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-12-21 12:38:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#45 [2023-12-21 12:38:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#46 [2023-12-21 12:38:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#47 [2023-12-21 12:38:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#48 [2023-12-21 12:38:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-21 12:38:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-21 12:38:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2023-12-21 12:38:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2023-12-21 12:38:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2023-12-21 12:38:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2023-12-21 12:38:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2023-12-21 12:38:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2023-12-21 12:38:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2023-12-21 12:38:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2023-12-21 12:38:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2023-12-21 12:38:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2023-12-21 12:38:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-21 12:38:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-21 12:38:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 12:38:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-21 12:38:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-21 12:38:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2023-12-21 12:38:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2023-12-21 12:38:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2023-12-21 12:38:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2023-12-21 12:38:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2023-12-21 12:38:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2023-12-21 12:38:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-21 12:38:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-21 12:38:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2023-12-21 12:38:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2023-12-21 12:38:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-21 12:38:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-21 12:38:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2023-12-21 12:38:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2023-12-21 12:38:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2023-12-21 12:38:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2023-12-21 12:38:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-12-21 12:38:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-12-21 12:38:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2023-12-21 12:38:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2023-12-21 12:38:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2023-12-21 12:38:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2023-12-21 12:38:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2023-12-21 12:38:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2023-12-21 12:38:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2023-12-21 12:38:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2023-12-21 12:38:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2023-12-21 12:38:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2023-12-21 12:38:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2023-12-21 12:38:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2023-12-21 12:38:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2023-12-21 12:38:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2023-12-21 12:38:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2023-12-21 12:38:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2023-12-21 12:38:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2023-12-21 12:38:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2023-12-21 12:38:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2023-12-21 12:38:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2023-12-21 12:38:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2023-12-21 12:38:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 12:38:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-12-21 12:38:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-12-21 12:38:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#45 [2023-12-21 12:38:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#46 [2023-12-21 12:38:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#47 [2023-12-21 12:38:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#48 [2023-12-21 12:38:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2023-12-21 12:38:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2023-12-21 12:38:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 12:38:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 12:38:39,531 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 12:38:39,533 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 12:38:46,903 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 12:38:47,089 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 12:38:47,089 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-21 12:38:47,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:38:47 BoogieIcfgContainer [2023-12-21 12:38:47,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 12:38:47,090 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 12:38:47,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 12:38:47,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 12:38:47,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:38:37" (1/3) ... [2023-12-21 12:38:47,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32193beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:38:47, skipping insertion in model container [2023-12-21 12:38:47,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:38:38" (2/3) ... [2023-12-21 12:38:47,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32193beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:38:47, skipping insertion in model container [2023-12-21 12:38:47,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:38:47" (3/3) ... [2023-12-21 12:38:47,094 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-1.c [2023-12-21 12:38:47,105 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 12:38:47,105 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 12:38:47,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 12:38:47,160 INFO L357 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, mHoare=true, 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;@513de65d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 12:38:47,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 12:38:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 2391 states, 2043 states have (on average 1.495349975526187) internal successors, (3055), 2067 states have internal predecessors, (3055), 302 states have call successors, (302), 44 states have call predecessors, (302), 44 states have return successors, (302), 292 states have call predecessors, (302), 302 states have call successors, (302) [2023-12-21 12:38:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-21 12:38:47,181 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:38:47,181 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:38:47,182 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:38:47,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:38:47,185 INFO L85 PathProgramCache]: Analyzing trace with hash -233935724, now seen corresponding path program 1 times [2023-12-21 12:38:47,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:38:47,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844421319] [2023-12-21 12:38:47,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:38:47,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:38:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:38:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:48,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:38:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:38:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 12:38:48,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:38:48,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844421319] [2023-12-21 12:38:48,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844421319] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:38:48,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:38:48,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 12:38:48,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053526044] [2023-12-21 12:38:48,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:38:48,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 12:38:48,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:38:48,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 12:38:48,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-21 12:38:48,123 INFO L87 Difference]: Start difference. First operand has 2391 states, 2043 states have (on average 1.495349975526187) internal successors, (3055), 2067 states have internal predecessors, (3055), 302 states have call successors, (302), 44 states have call predecessors, (302), 44 states have return successors, (302), 292 states have call predecessors, (302), 302 states have call successors, (302) Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-21 12:38:52,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:38:56,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:39:00,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:39:06,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:39:06,631 INFO L93 Difference]: Finished difference Result 5480 states and 9156 transitions. [2023-12-21 12:39:06,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 12:39:06,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 143 [2023-12-21 12:39:06,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:39:06,683 INFO L225 Difference]: With dead ends: 5480 [2023-12-21 12:39:06,683 INFO L226 Difference]: Without dead ends: 3081 [2023-12-21 12:39:06,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-21 12:39:06,771 INFO L413 NwaCegarLoop]: 2429 mSDtfsCounter, 1106 mSDsluCounter, 2741 mSDsCounter, 0 mSdLazyCounter, 3270 mSolverCounterSat, 641 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 5170 SdHoareTripleChecker+Invalid, 3914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 641 IncrementalHoareTripleChecker+Valid, 3270 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2023-12-21 12:39:06,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 5170 Invalid, 3914 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [641 Valid, 3270 Invalid, 3 Unknown, 0 Unchecked, 18.1s Time] [2023-12-21 12:39:06,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3081 states. [2023-12-21 12:39:07,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3081 to 2381. [2023-12-21 12:39:07,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2034 states have (on average 1.1573254670599804) internal successors, (2354), 2058 states have internal predecessors, (2354), 302 states have call successors, (302), 44 states have call predecessors, (302), 44 states have return successors, (301), 291 states have call predecessors, (301), 301 states have call successors, (301) [2023-12-21 12:39:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 2957 transitions. [2023-12-21 12:39:07,029 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 2957 transitions. Word has length 143 [2023-12-21 12:39:07,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:39:07,044 INFO L495 AbstractCegarLoop]: Abstraction has 2381 states and 2957 transitions. [2023-12-21 12:39:07,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 2 states have internal predecessors, (137), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-21 12:39:07,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2957 transitions. [2023-12-21 12:39:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-21 12:39:07,064 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:39:07,064 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:39:07,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 12:39:07,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:39:07,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:39:07,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1236812142, now seen corresponding path program 1 times [2023-12-21 12:39:07,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:39:07,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269307482] [2023-12-21 12:39:07,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:39:07,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:39:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:39:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:39:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:39:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:39:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:39:08,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 12:39:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:39:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 12:39:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:39:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 12:39:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:39:08,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-21 12:39:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:39:08,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 12:39:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:39:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 12:39:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:39:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-21 12:39:08,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:39:08,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269307482] [2023-12-21 12:39:08,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269307482] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:39:08,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:39:08,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 12:39:08,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260229139] [2023-12-21 12:39:08,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:39:08,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 12:39:08,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:39:08,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 12:39:08,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:39:08,594 INFO L87 Difference]: Start difference. First operand 2381 states and 2957 transitions. Second operand has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-21 12:39:13,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:39:17,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:39:21,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:39:25,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:39:29,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:39:33,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:39:46,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:39:51,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:39:55,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:39:59,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:40:03,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:40:07,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:40:07,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:40:07,227 INFO L93 Difference]: Finished difference Result 6248 states and 8465 transitions. [2023-12-21 12:40:07,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 12:40:07,228 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 197 [2023-12-21 12:40:07,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:40:07,247 INFO L225 Difference]: With dead ends: 6248 [2023-12-21 12:40:07,247 INFO L226 Difference]: Without dead ends: 3869 [2023-12-21 12:40:07,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-21 12:40:07,262 INFO L413 NwaCegarLoop]: 2303 mSDtfsCounter, 9092 mSDsluCounter, 6711 mSDsCounter, 0 mSdLazyCounter, 7476 mSolverCounterSat, 3210 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9232 SdHoareTripleChecker+Valid, 9014 SdHoareTripleChecker+Invalid, 10698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3210 IncrementalHoareTripleChecker+Valid, 7476 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.9s IncrementalHoareTripleChecker+Time [2023-12-21 12:40:07,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9232 Valid, 9014 Invalid, 10698 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3210 Valid, 7476 Invalid, 12 Unknown, 0 Unchecked, 57.9s Time] [2023-12-21 12:40:07,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3869 states. [2023-12-21 12:40:07,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3869 to 2861. [2023-12-21 12:40:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 2371 states have (on average 1.191902150991143) internal successors, (2826), 2401 states have internal predecessors, (2826), 413 states have call successors, (413), 76 states have call predecessors, (413), 76 states have return successors, (412), 398 states have call predecessors, (412), 412 states have call successors, (412) [2023-12-21 12:40:07,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 3651 transitions. [2023-12-21 12:40:07,395 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 3651 transitions. Word has length 197 [2023-12-21 12:40:07,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:40:07,396 INFO L495 AbstractCegarLoop]: Abstraction has 2861 states and 3651 transitions. [2023-12-21 12:40:07,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-21 12:40:07,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 3651 transitions. [2023-12-21 12:40:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-12-21 12:40:07,400 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:40:07,400 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:40:07,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 12:40:07,400 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:40:07,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:40:07,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1739845295, now seen corresponding path program 1 times [2023-12-21 12:40:07,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:40:07,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279805947] [2023-12-21 12:40:07,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:40:07,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:40:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:40:08,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:40:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:40:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:40:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:40:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-21 12:40:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:40:09,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-21 12:40:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:40:09,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 12:40:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:40:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-21 12:40:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:40:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 12:40:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:40:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-21 12:40:09,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:40:09,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279805947] [2023-12-21 12:40:09,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279805947] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:40:09,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:40:09,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-21 12:40:09,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097101738] [2023-12-21 12:40:09,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:40:09,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-21 12:40:09,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:40:09,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-21 12:40:09,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-12-21 12:40:09,332 INFO L87 Difference]: Start difference. First operand 2861 states and 3651 transitions. Second operand has 12 states, 11 states have (on average 15.636363636363637) internal successors, (172), 9 states have internal predecessors, (172), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-21 12:40:14,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:40:18,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:40:22,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:40:27,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:40:31,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:40:35,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:40:39,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:40:56,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:00,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:04,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:08,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:12,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:16,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:20,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:20,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:41:20,522 INFO L93 Difference]: Finished difference Result 9093 states and 12624 transitions. [2023-12-21 12:41:20,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-21 12:41:20,522 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.636363636363637) internal successors, (172), 9 states have internal predecessors, (172), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 194 [2023-12-21 12:41:20,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:41:20,552 INFO L225 Difference]: With dead ends: 9093 [2023-12-21 12:41:20,553 INFO L226 Difference]: Without dead ends: 6234 [2023-12-21 12:41:20,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2023-12-21 12:41:20,573 INFO L413 NwaCegarLoop]: 3009 mSDtfsCounter, 11139 mSDsluCounter, 11164 mSDsCounter, 0 mSdLazyCounter, 10553 mSolverCounterSat, 4780 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11301 SdHoareTripleChecker+Valid, 14173 SdHoareTripleChecker+Invalid, 15347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4780 IncrementalHoareTripleChecker+Valid, 10553 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.1s IncrementalHoareTripleChecker+Time [2023-12-21 12:41:20,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11301 Valid, 14173 Invalid, 15347 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4780 Valid, 10553 Invalid, 14 Unknown, 0 Unchecked, 70.1s Time] [2023-12-21 12:41:20,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6234 states. [2023-12-21 12:41:20,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6234 to 3885. [2023-12-21 12:41:20,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3885 states, 3088 states have (on average 1.2435233160621761) internal successors, (3840), 3142 states have internal predecessors, (3840), 667 states have call successors, (667), 128 states have call predecessors, (667), 129 states have return successors, (668), 642 states have call predecessors, (668), 666 states have call successors, (668) [2023-12-21 12:41:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 5175 transitions. [2023-12-21 12:41:20,891 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 5175 transitions. Word has length 194 [2023-12-21 12:41:20,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:41:20,892 INFO L495 AbstractCegarLoop]: Abstraction has 3885 states and 5175 transitions. [2023-12-21 12:41:20,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.636363636363637) internal successors, (172), 9 states have internal predecessors, (172), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-21 12:41:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 5175 transitions. [2023-12-21 12:41:20,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-21 12:41:20,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:41:20,900 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:41:20,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 12:41:20,901 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:41:20,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:41:20,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1193462182, now seen corresponding path program 1 times [2023-12-21 12:41:20,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:41:20,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525829910] [2023-12-21 12:41:20,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:41:20,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:41:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:21,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:41:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:41:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 12:41:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 12:41:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:21,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-12-21 12:41:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-21 12:41:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-21 12:41:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:21,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-21 12:41:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-21 12:41:21,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:41:21,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525829910] [2023-12-21 12:41:21,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525829910] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 12:41:21,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963716699] [2023-12-21 12:41:21,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:41:21,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:41:21,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:41:21,834 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) [2023-12-21 12:41:21,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 12:41:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:23,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 2806 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-21 12:41:23,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:41:23,155 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-21 12:41:23,156 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:41:23,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963716699] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:41:23,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 12:41:23,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2023-12-21 12:41:23,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043147941] [2023-12-21 12:41:23,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:41:23,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 12:41:23,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:41:23,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 12:41:23,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-12-21 12:41:23,159 INFO L87 Difference]: Start difference. First operand 3885 states and 5175 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-21 12:41:27,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:31,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:35,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:39,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:45,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:49,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:53,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:57,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:41:57,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:41:57,670 INFO L93 Difference]: Finished difference Result 7967 states and 10590 transitions. [2023-12-21 12:41:57,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:41:57,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 197 [2023-12-21 12:41:57,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:41:57,710 INFO L225 Difference]: With dead ends: 7967 [2023-12-21 12:41:57,710 INFO L226 Difference]: Without dead ends: 4007 [2023-12-21 12:41:57,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-12-21 12:41:57,728 INFO L413 NwaCegarLoop]: 3389 mSDtfsCounter, 1423 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 1647 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1424 SdHoareTripleChecker+Valid, 9328 SdHoareTripleChecker+Invalid, 1659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1647 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2023-12-21 12:41:57,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1424 Valid, 9328 Invalid, 1659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1647 Invalid, 8 Unknown, 0 Unchecked, 34.2s Time] [2023-12-21 12:41:57,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4007 states. [2023-12-21 12:41:57,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4007 to 3872. [2023-12-21 12:41:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3872 states, 3080 states have (on average 1.2422077922077923) internal successors, (3826), 3134 states have internal predecessors, (3826), 662 states have call successors, (662), 128 states have call predecessors, (662), 129 states have return successors, (663), 637 states have call predecessors, (663), 661 states have call successors, (663) [2023-12-21 12:41:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 5151 transitions. [2023-12-21 12:41:57,976 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 5151 transitions. Word has length 197 [2023-12-21 12:41:57,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:41:57,976 INFO L495 AbstractCegarLoop]: Abstraction has 3872 states and 5151 transitions. [2023-12-21 12:41:57,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-21 12:41:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 5151 transitions. [2023-12-21 12:41:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-21 12:41:57,980 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:41:57,980 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:41:57,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-21 12:41:58,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:41:58,188 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:41:58,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:41:58,188 INFO L85 PathProgramCache]: Analyzing trace with hash 291700465, now seen corresponding path program 1 times [2023-12-21 12:41:58,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:41:58,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660257042] [2023-12-21 12:41:58,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:41:58,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:41:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:58,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:41:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:58,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:41:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:59,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:41:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:59,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:41:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:59,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 12:41:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-21 12:41:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-12-21 12:41:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:41:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:41:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 12:41:59,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:41:59,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660257042] [2023-12-21 12:41:59,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660257042] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 12:41:59,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570182018] [2023-12-21 12:41:59,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:41:59,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:41:59,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:41:59,114 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) [2023-12-21 12:41:59,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 12:42:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:00,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 2808 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-21 12:42:00,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:42:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-21 12:42:00,483 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:42:00,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570182018] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:42:00,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 12:42:00,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2023-12-21 12:42:00,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021950666] [2023-12-21 12:42:00,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:42:00,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 12:42:00,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:42:00,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 12:42:00,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-12-21 12:42:00,484 INFO L87 Difference]: Start difference. First operand 3872 states and 5151 transitions. Second operand has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-21 12:42:05,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:42:09,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:42:13,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:42:17,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:42:23,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:42:27,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:42:31,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:42:35,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:42:35,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:42:35,935 INFO L93 Difference]: Finished difference Result 9441 states and 12481 transitions. [2023-12-21 12:42:35,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:42:35,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 198 [2023-12-21 12:42:35,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:42:35,957 INFO L225 Difference]: With dead ends: 9441 [2023-12-21 12:42:35,957 INFO L226 Difference]: Without dead ends: 5571 [2023-12-21 12:42:35,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-12-21 12:42:35,967 INFO L413 NwaCegarLoop]: 4194 mSDtfsCounter, 2308 mSDsluCounter, 9458 mSDsCounter, 0 mSdLazyCounter, 2151 mSolverCounterSat, 6 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2309 SdHoareTripleChecker+Valid, 13652 SdHoareTripleChecker+Invalid, 2165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2151 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2023-12-21 12:42:35,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2309 Valid, 13652 Invalid, 2165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2151 Invalid, 8 Unknown, 0 Unchecked, 35.1s Time] [2023-12-21 12:42:35,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2023-12-21 12:42:36,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5105. [2023-12-21 12:42:36,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5105 states, 4042 states have (on average 1.2508659079663533) internal successors, (5056), 4113 states have internal predecessors, (5056), 881 states have call successors, (881), 178 states have call predecessors, (881), 181 states have return successors, (885), 851 states have call predecessors, (885), 880 states have call successors, (885) [2023-12-21 12:42:36,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5105 states to 5105 states and 6822 transitions. [2023-12-21 12:42:36,218 INFO L78 Accepts]: Start accepts. Automaton has 5105 states and 6822 transitions. Word has length 198 [2023-12-21 12:42:36,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:42:36,218 INFO L495 AbstractCegarLoop]: Abstraction has 5105 states and 6822 transitions. [2023-12-21 12:42:36,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 5 states have internal predecessors, (177), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-21 12:42:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 5105 states and 6822 transitions. [2023-12-21 12:42:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-21 12:42:36,229 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:42:36,229 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:42:36,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-21 12:42:36,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:42:36,440 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:42:36,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:42:36,441 INFO L85 PathProgramCache]: Analyzing trace with hash 230134926, now seen corresponding path program 1 times [2023-12-21 12:42:36,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:42:36,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765558459] [2023-12-21 12:42:36,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:42:36,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:42:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:42:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:37,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:42:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:42:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:42:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:37,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 12:42:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-21 12:42:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-12-21 12:42:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:42:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-21 12:42:37,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:42:37,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765558459] [2023-12-21 12:42:37,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765558459] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 12:42:37,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639383525] [2023-12-21 12:42:37,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:42:37,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:42:37,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:42:37,253 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) [2023-12-21 12:42:37,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 12:42:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:38,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-21 12:42:38,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:42:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-21 12:42:38,601 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 12:42:38,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639383525] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:42:38,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 12:42:38,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2023-12-21 12:42:38,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54755405] [2023-12-21 12:42:38,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:42:38,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 12:42:38,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:42:38,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 12:42:38,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-12-21 12:42:38,603 INFO L87 Difference]: Start difference. First operand 5105 states and 6822 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-21 12:42:43,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:42:47,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:42:51,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:42:53,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:42:53,570 INFO L93 Difference]: Finished difference Result 11095 states and 14821 transitions. [2023-12-21 12:42:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 12:42:53,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 198 [2023-12-21 12:42:53,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:42:53,611 INFO L225 Difference]: With dead ends: 11095 [2023-12-21 12:42:53,612 INFO L226 Difference]: Without dead ends: 5992 [2023-12-21 12:42:53,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-12-21 12:42:53,632 INFO L413 NwaCegarLoop]: 3403 mSDtfsCounter, 1686 mSDsluCounter, 8157 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 14 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 11560 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2023-12-21 12:42:53,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1689 Valid, 11560 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1798 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time] [2023-12-21 12:42:53,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5992 states. [2023-12-21 12:42:53,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5992 to 5663. [2023-12-21 12:42:53,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5663 states, 4430 states have (on average 1.2645598194130925) internal successors, (5602), 4512 states have internal predecessors, (5602), 1022 states have call successors, (1022), 206 states have call predecessors, (1022), 210 states have return successors, (1027), 988 states have call predecessors, (1027), 1021 states have call successors, (1027) [2023-12-21 12:42:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5663 states to 5663 states and 7651 transitions. [2023-12-21 12:42:53,977 INFO L78 Accepts]: Start accepts. Automaton has 5663 states and 7651 transitions. Word has length 198 [2023-12-21 12:42:53,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:42:53,977 INFO L495 AbstractCegarLoop]: Abstraction has 5663 states and 7651 transitions. [2023-12-21 12:42:53,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-21 12:42:53,977 INFO L276 IsEmpty]: Start isEmpty. Operand 5663 states and 7651 transitions. [2023-12-21 12:42:53,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-21 12:42:53,983 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:42:53,983 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:42:54,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-21 12:42:54,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:42:54,196 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:42:54,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:42:54,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1016841181, now seen corresponding path program 1 times [2023-12-21 12:42:54,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:42:54,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774310143] [2023-12-21 12:42:54,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:42:54,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:42:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:42:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:55,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:42:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:55,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:42:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:42:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:55,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:42:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:55,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:42:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-21 12:42:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:55,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-21 12:42:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 12:42:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:42:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:42:55,087 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-21 12:42:55,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:42:55,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774310143] [2023-12-21 12:42:55,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774310143] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:42:55,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:42:55,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 12:42:55,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532683211] [2023-12-21 12:42:55,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:42:55,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 12:42:55,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:42:55,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 12:42:55,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:42:55,089 INFO L87 Difference]: Start difference. First operand 5663 states and 7651 transitions. Second operand has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 6 states have internal predecessors, (173), 3 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-21 12:43:00,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:04,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:08,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:12,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:16,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:20,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:33,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:37,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:41,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:45,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:49,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:53,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:43:53,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:43:53,869 INFO L93 Difference]: Finished difference Result 12526 states and 17997 transitions. [2023-12-21 12:43:53,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-21 12:43:53,870 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 6 states have internal predecessors, (173), 3 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 206 [2023-12-21 12:43:53,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:43:53,910 INFO L225 Difference]: With dead ends: 12526 [2023-12-21 12:43:53,910 INFO L226 Difference]: Without dead ends: 6865 [2023-12-21 12:43:53,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-12-21 12:43:53,941 INFO L413 NwaCegarLoop]: 2383 mSDtfsCounter, 6841 mSDsluCounter, 7444 mSDsCounter, 0 mSdLazyCounter, 8215 mSolverCounterSat, 2309 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6996 SdHoareTripleChecker+Valid, 9827 SdHoareTripleChecker+Invalid, 10536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2309 IncrementalHoareTripleChecker+Valid, 8215 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.9s IncrementalHoareTripleChecker+Time [2023-12-21 12:43:53,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6996 Valid, 9827 Invalid, 10536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2309 Valid, 8215 Invalid, 12 Unknown, 0 Unchecked, 57.9s Time] [2023-12-21 12:43:53,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6865 states. [2023-12-21 12:43:54,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6865 to 4667. [2023-12-21 12:43:54,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4667 states, 3649 states have (on average 1.266922444505344) internal successors, (4623), 3716 states have internal predecessors, (4623), 842 states have call successors, (842), 173 states have call predecessors, (842), 175 states have return successors, (843), 813 states have call predecessors, (843), 841 states have call successors, (843) [2023-12-21 12:43:54,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4667 states to 4667 states and 6308 transitions. [2023-12-21 12:43:54,223 INFO L78 Accepts]: Start accepts. Automaton has 4667 states and 6308 transitions. Word has length 206 [2023-12-21 12:43:54,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:43:54,224 INFO L495 AbstractCegarLoop]: Abstraction has 4667 states and 6308 transitions. [2023-12-21 12:43:54,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 6 states have internal predecessors, (173), 3 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-21 12:43:54,224 INFO L276 IsEmpty]: Start isEmpty. Operand 4667 states and 6308 transitions. [2023-12-21 12:43:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-21 12:43:54,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:43:54,228 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:43:54,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-21 12:43:54,228 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:43:54,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:43:54,228 INFO L85 PathProgramCache]: Analyzing trace with hash 186230423, now seen corresponding path program 1 times [2023-12-21 12:43:54,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:43:54,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640010251] [2023-12-21 12:43:54,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:43:54,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:43:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:43:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:43:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:43:54,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:43:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:43:55,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:43:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:43:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:43:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:43:55,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:43:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:43:55,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:43:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:43:55,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-21 12:43:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:43:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-21 12:43:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:43:55,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 12:43:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:43:55,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:43:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:43:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-21 12:43:55,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:43:55,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640010251] [2023-12-21 12:43:55,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640010251] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:43:55,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:43:55,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 12:43:55,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960663453] [2023-12-21 12:43:55,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:43:55,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 12:43:55,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:43:55,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 12:43:55,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:43:55,070 INFO L87 Difference]: Start difference. First operand 4667 states and 6308 transitions. Second operand has 9 states, 9 states have (on average 20.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 12:44:00,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:44:04,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:44:08,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:44:12,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:44:16,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:44:20,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:44:29,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:44:29,697 INFO L93 Difference]: Finished difference Result 10473 states and 14987 transitions. [2023-12-21 12:44:29,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 12:44:29,698 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 206 [2023-12-21 12:44:29,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:44:29,741 INFO L225 Difference]: With dead ends: 10473 [2023-12-21 12:44:29,741 INFO L226 Difference]: Without dead ends: 5808 [2023-12-21 12:44:29,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-21 12:44:29,759 INFO L413 NwaCegarLoop]: 2209 mSDtfsCounter, 9993 mSDsluCounter, 5215 mSDsCounter, 0 mSdLazyCounter, 6206 mSolverCounterSat, 3883 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10154 SdHoareTripleChecker+Valid, 7424 SdHoareTripleChecker+Invalid, 10095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3883 IncrementalHoareTripleChecker+Valid, 6206 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2023-12-21 12:44:29,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10154 Valid, 7424 Invalid, 10095 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3883 Valid, 6206 Invalid, 6 Unknown, 0 Unchecked, 33.7s Time] [2023-12-21 12:44:29,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5808 states. [2023-12-21 12:44:30,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5808 to 4107. [2023-12-21 12:44:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4107 states, 3260 states have (on average 1.2493865030674847) internal successors, (4073), 3316 states have internal predecessors, (4073), 700 states have call successors, (700), 145 states have call predecessors, (700), 146 states have return successors, (700), 675 states have call predecessors, (700), 699 states have call successors, (700) [2023-12-21 12:44:30,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4107 states to 4107 states and 5473 transitions. [2023-12-21 12:44:30,047 INFO L78 Accepts]: Start accepts. Automaton has 4107 states and 5473 transitions. Word has length 206 [2023-12-21 12:44:30,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:44:30,047 INFO L495 AbstractCegarLoop]: Abstraction has 4107 states and 5473 transitions. [2023-12-21 12:44:30,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-21 12:44:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 4107 states and 5473 transitions. [2023-12-21 12:44:30,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-21 12:44:30,051 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:44:30,051 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:44:30,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-21 12:44:30,051 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:44:30,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:44:30,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1758063692, now seen corresponding path program 1 times [2023-12-21 12:44:30,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:44:30,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701495054] [2023-12-21 12:44:30,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:44:30,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:44:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:44:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:44:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:44:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:44:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:44:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:44:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 12:44:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-21 12:44:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-21 12:44:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 12:44:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:44:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:44:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-21 12:44:30,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:44:30,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701495054] [2023-12-21 12:44:30,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701495054] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:44:30,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:44:30,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 12:44:30,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730220431] [2023-12-21 12:44:30,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:44:30,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 12:44:30,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:44:30,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 12:44:30,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:44:30,856 INFO L87 Difference]: Start difference. First operand 4107 states and 5473 transitions. Second operand has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 6 states have internal predecessors, (181), 4 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-12-21 12:44:35,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:44:39,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:44:44,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:44:48,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:44:52,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:44:56,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:09,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:13,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:17,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:21,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:25,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:29,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:29,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:45:29,266 INFO L93 Difference]: Finished difference Result 10043 states and 14292 transitions. [2023-12-21 12:45:29,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 12:45:29,266 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 6 states have internal predecessors, (181), 4 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 209 [2023-12-21 12:45:29,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:45:29,307 INFO L225 Difference]: With dead ends: 10043 [2023-12-21 12:45:29,307 INFO L226 Difference]: Without dead ends: 5938 [2023-12-21 12:45:29,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-21 12:45:29,338 INFO L413 NwaCegarLoop]: 2364 mSDtfsCounter, 6897 mSDsluCounter, 7397 mSDsCounter, 0 mSdLazyCounter, 8365 mSolverCounterSat, 2321 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7050 SdHoareTripleChecker+Valid, 9761 SdHoareTripleChecker+Invalid, 10698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2321 IncrementalHoareTripleChecker+Valid, 8365 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.6s IncrementalHoareTripleChecker+Time [2023-12-21 12:45:29,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7050 Valid, 9761 Invalid, 10698 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2321 Valid, 8365 Invalid, 12 Unknown, 0 Unchecked, 57.6s Time] [2023-12-21 12:45:29,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5938 states. [2023-12-21 12:45:29,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5938 to 4105. [2023-12-21 12:45:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4105 states, 3259 states have (on average 1.2491561828781834) internal successors, (4071), 3315 states have internal predecessors, (4071), 699 states have call successors, (699), 145 states have call predecessors, (699), 146 states have return successors, (699), 674 states have call predecessors, (699), 698 states have call successors, (699) [2023-12-21 12:45:29,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4105 states to 4105 states and 5469 transitions. [2023-12-21 12:45:29,790 INFO L78 Accepts]: Start accepts. Automaton has 4105 states and 5469 transitions. Word has length 209 [2023-12-21 12:45:29,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:45:29,791 INFO L495 AbstractCegarLoop]: Abstraction has 4105 states and 5469 transitions. [2023-12-21 12:45:29,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 6 states have internal predecessors, (181), 4 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-12-21 12:45:29,791 INFO L276 IsEmpty]: Start isEmpty. Operand 4105 states and 5469 transitions. [2023-12-21 12:45:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-21 12:45:29,794 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:45:29,794 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:45:29,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-21 12:45:29,795 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:45:29,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:45:29,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1956377444, now seen corresponding path program 1 times [2023-12-21 12:45:29,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:45:29,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184641313] [2023-12-21 12:45:29,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:45:29,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:45:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:45:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:45:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:45:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:45:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:45:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:45:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:45:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 12:45:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:45:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 12:45:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:45:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:45:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-21 12:45:30,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:45:30,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184641313] [2023-12-21 12:45:30,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184641313] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:45:30,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:45:30,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 12:45:30,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195832444] [2023-12-21 12:45:30,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:45:30,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 12:45:30,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:45:30,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 12:45:30,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:45:30,607 INFO L87 Difference]: Start difference. First operand 4105 states and 5469 transitions. Second operand has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-21 12:45:35,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:39,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:43,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:47,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:51,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:45:55,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:46:04,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:46:04,526 INFO L93 Difference]: Finished difference Result 9908 states and 14137 transitions. [2023-12-21 12:46:04,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 12:46:04,526 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 210 [2023-12-21 12:46:04,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:46:04,551 INFO L225 Difference]: With dead ends: 9908 [2023-12-21 12:46:04,552 INFO L226 Difference]: Without dead ends: 5805 [2023-12-21 12:46:04,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-21 12:46:04,561 INFO L413 NwaCegarLoop]: 2146 mSDtfsCounter, 8654 mSDsluCounter, 4282 mSDsCounter, 0 mSdLazyCounter, 5989 mSolverCounterSat, 3651 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8814 SdHoareTripleChecker+Valid, 6428 SdHoareTripleChecker+Invalid, 9646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3651 IncrementalHoareTripleChecker+Valid, 5989 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2023-12-21 12:46:04,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8814 Valid, 6428 Invalid, 9646 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3651 Valid, 5989 Invalid, 6 Unknown, 0 Unchecked, 33.1s Time] [2023-12-21 12:46:04,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5805 states. [2023-12-21 12:46:04,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5805 to 4105. [2023-12-21 12:46:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4105 states, 3259 states have (on average 1.248849340288432) internal successors, (4070), 3315 states have internal predecessors, (4070), 699 states have call successors, (699), 145 states have call predecessors, (699), 146 states have return successors, (699), 674 states have call predecessors, (699), 698 states have call successors, (699) [2023-12-21 12:46:04,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4105 states to 4105 states and 5468 transitions. [2023-12-21 12:46:04,814 INFO L78 Accepts]: Start accepts. Automaton has 4105 states and 5468 transitions. Word has length 210 [2023-12-21 12:46:04,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:46:04,815 INFO L495 AbstractCegarLoop]: Abstraction has 4105 states and 5468 transitions. [2023-12-21 12:46:04,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-21 12:46:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 4105 states and 5468 transitions. [2023-12-21 12:46:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-21 12:46:04,819 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:46:04,819 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:46:04,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-21 12:46:04,819 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:46:04,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:46:04,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1408610281, now seen corresponding path program 1 times [2023-12-21 12:46:04,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:46:04,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851662908] [2023-12-21 12:46:04,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:46:04,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:46:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:46:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:46:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:46:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:46:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:46:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:46:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:46:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 12:46:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 12:46:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-21 12:46:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 12:46:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:46:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:46:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-21 12:46:05,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:46:05,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851662908] [2023-12-21 12:46:05,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851662908] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:46:05,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:46:05,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 12:46:05,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556297136] [2023-12-21 12:46:05,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:46:05,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 12:46:05,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:46:05,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 12:46:05,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:46:05,565 INFO L87 Difference]: Start difference. First operand 4105 states and 5468 transitions. Second operand has 9 states, 9 states have (on average 20.0) internal successors, (180), 6 states have internal predecessors, (180), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-12-21 12:46:10,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:46:14,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:46:18,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:46:22,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:46:27,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:46:31,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:46:43,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:46:47,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:46:51,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:46:55,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:46:59,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:47:03,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:47:03,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:47:03,802 INFO L93 Difference]: Finished difference Result 10038 states and 14280 transitions. [2023-12-21 12:47:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 12:47:03,803 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 6 states have internal predecessors, (180), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 213 [2023-12-21 12:47:03,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:47:03,848 INFO L225 Difference]: With dead ends: 10038 [2023-12-21 12:47:03,848 INFO L226 Difference]: Without dead ends: 5935 [2023-12-21 12:47:03,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-21 12:47:03,869 INFO L413 NwaCegarLoop]: 2285 mSDtfsCounter, 8271 mSDsluCounter, 5906 mSDsCounter, 0 mSdLazyCounter, 6956 mSolverCounterSat, 3040 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8413 SdHoareTripleChecker+Valid, 8191 SdHoareTripleChecker+Invalid, 10008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3040 IncrementalHoareTripleChecker+Valid, 6956 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.4s IncrementalHoareTripleChecker+Time [2023-12-21 12:47:03,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8413 Valid, 8191 Invalid, 10008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3040 Valid, 6956 Invalid, 12 Unknown, 0 Unchecked, 57.4s Time] [2023-12-21 12:47:03,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5935 states. [2023-12-21 12:47:04,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5935 to 4103. [2023-12-21 12:47:04,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4103 states, 3258 states have (on average 1.2486187845303867) internal successors, (4068), 3314 states have internal predecessors, (4068), 698 states have call successors, (698), 145 states have call predecessors, (698), 146 states have return successors, (698), 673 states have call predecessors, (698), 697 states have call successors, (698) [2023-12-21 12:47:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 4103 states and 5464 transitions. [2023-12-21 12:47:04,194 INFO L78 Accepts]: Start accepts. Automaton has 4103 states and 5464 transitions. Word has length 213 [2023-12-21 12:47:04,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:47:04,194 INFO L495 AbstractCegarLoop]: Abstraction has 4103 states and 5464 transitions. [2023-12-21 12:47:04,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 6 states have internal predecessors, (180), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-12-21 12:47:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 5464 transitions. [2023-12-21 12:47:04,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-21 12:47:04,197 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:47:04,198 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:47:04,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-21 12:47:04,198 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:47:04,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:47:04,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1112485159, now seen corresponding path program 1 times [2023-12-21 12:47:04,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:47:04,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793375566] [2023-12-21 12:47:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:47:04,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:47:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:47:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:47:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:47:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:47:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:47:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:47:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:47:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 12:47:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:47:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 12:47:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:47:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:47:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:47:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-21 12:47:04,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:47:04,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793375566] [2023-12-21 12:47:04,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793375566] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:47:04,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:47:04,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 12:47:04,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353164888] [2023-12-21 12:47:04,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:47:04,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 12:47:04,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:47:04,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 12:47:04,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:47:04,992 INFO L87 Difference]: Start difference. First operand 4103 states and 5464 transitions. Second operand has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 6 states have internal predecessors, (178), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-12-21 12:47:10,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:47:14,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:47:18,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:47:22,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:47:26,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:47:30,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:47:44,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:47:48,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:47:52,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:47:56,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:00,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:04,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:04,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:48:04,998 INFO L93 Difference]: Finished difference Result 10033 states and 14270 transitions. [2023-12-21 12:48:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 12:48:04,999 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 6 states have internal predecessors, (178), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 214 [2023-12-21 12:48:04,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:48:05,014 INFO L225 Difference]: With dead ends: 10033 [2023-12-21 12:48:05,014 INFO L226 Difference]: Without dead ends: 5932 [2023-12-21 12:48:05,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-21 12:48:05,024 INFO L413 NwaCegarLoop]: 2299 mSDtfsCounter, 9529 mSDsluCounter, 4996 mSDsCounter, 0 mSdLazyCounter, 6509 mSolverCounterSat, 3169 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9692 SdHoareTripleChecker+Valid, 7295 SdHoareTripleChecker+Invalid, 9690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3169 IncrementalHoareTripleChecker+Valid, 6509 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.1s IncrementalHoareTripleChecker+Time [2023-12-21 12:48:05,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9692 Valid, 7295 Invalid, 9690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3169 Valid, 6509 Invalid, 12 Unknown, 0 Unchecked, 59.1s Time] [2023-12-21 12:48:05,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5932 states. [2023-12-21 12:48:05,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5932 to 4099. [2023-12-21 12:48:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4099 states, 3256 states have (on average 1.2481572481572483) internal successors, (4064), 3312 states have internal predecessors, (4064), 696 states have call successors, (696), 145 states have call predecessors, (696), 146 states have return successors, (696), 671 states have call predecessors, (696), 695 states have call successors, (696) [2023-12-21 12:48:05,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 4099 states and 5456 transitions. [2023-12-21 12:48:05,295 INFO L78 Accepts]: Start accepts. Automaton has 4099 states and 5456 transitions. Word has length 214 [2023-12-21 12:48:05,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:48:05,295 INFO L495 AbstractCegarLoop]: Abstraction has 4099 states and 5456 transitions. [2023-12-21 12:48:05,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.77777777777778) internal successors, (178), 6 states have internal predecessors, (178), 4 states have call successors, (14), 5 states have call predecessors, (14), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-12-21 12:48:05,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 5456 transitions. [2023-12-21 12:48:05,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-21 12:48:05,299 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:48:05,299 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:48:05,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-21 12:48:05,299 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:48:05,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:48:05,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1713492676, now seen corresponding path program 1 times [2023-12-21 12:48:05,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:48:05,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138506304] [2023-12-21 12:48:05,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:48:05,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:48:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:48:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:48:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:48:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:48:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:48:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:48:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:48:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 12:48:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:48:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 12:48:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:48:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:06,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:48:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-21 12:48:06,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:48:06,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138506304] [2023-12-21 12:48:06,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138506304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:48:06,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:48:06,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 12:48:06,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256498354] [2023-12-21 12:48:06,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:48:06,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 12:48:06,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:48:06,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 12:48:06,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-21 12:48:06,045 INFO L87 Difference]: Start difference. First operand 4099 states and 5456 transitions. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 12:48:11,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:15,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:19,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:23,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:27,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:35,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:48:35,742 INFO L93 Difference]: Finished difference Result 9893 states and 14103 transitions. [2023-12-21 12:48:35,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 12:48:35,742 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 214 [2023-12-21 12:48:35,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:48:35,758 INFO L225 Difference]: With dead ends: 9893 [2023-12-21 12:48:35,758 INFO L226 Difference]: Without dead ends: 5796 [2023-12-21 12:48:35,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2023-12-21 12:48:35,769 INFO L413 NwaCegarLoop]: 2136 mSDtfsCounter, 3673 mSDsluCounter, 8593 mSDsCounter, 0 mSdLazyCounter, 6191 mSolverCounterSat, 1960 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3749 SdHoareTripleChecker+Valid, 10729 SdHoareTripleChecker+Invalid, 8156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1960 IncrementalHoareTripleChecker+Valid, 6191 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2023-12-21 12:48:35,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3749 Valid, 10729 Invalid, 8156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1960 Valid, 6191 Invalid, 5 Unknown, 0 Unchecked, 29.0s Time] [2023-12-21 12:48:35,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5796 states. [2023-12-21 12:48:36,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5796 to 4099. [2023-12-21 12:48:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4099 states, 3256 states have (on average 1.2478501228501229) internal successors, (4063), 3312 states have internal predecessors, (4063), 696 states have call successors, (696), 145 states have call predecessors, (696), 146 states have return successors, (696), 671 states have call predecessors, (696), 695 states have call successors, (696) [2023-12-21 12:48:36,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 4099 states and 5455 transitions. [2023-12-21 12:48:36,083 INFO L78 Accepts]: Start accepts. Automaton has 4099 states and 5455 transitions. Word has length 214 [2023-12-21 12:48:36,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:48:36,084 INFO L495 AbstractCegarLoop]: Abstraction has 4099 states and 5455 transitions. [2023-12-21 12:48:36,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-21 12:48:36,084 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 5455 transitions. [2023-12-21 12:48:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-12-21 12:48:36,086 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:48:36,086 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:48:36,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-21 12:48:36,087 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:48:36,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:48:36,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1020607179, now seen corresponding path program 1 times [2023-12-21 12:48:36,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:48:36,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807387481] [2023-12-21 12:48:36,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:48:36,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:48:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:48:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:48:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:48:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:48:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:48:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:48:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:48:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 12:48:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:48:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 12:48:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-21 12:48:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 12:48:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:48:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:48:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-21 12:48:36,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:48:36,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807387481] [2023-12-21 12:48:36,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807387481] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:48:36,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:48:36,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 12:48:36,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567511268] [2023-12-21 12:48:36,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:48:36,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 12:48:36,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:48:36,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 12:48:36,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-21 12:48:36,839 INFO L87 Difference]: Start difference. First operand 4099 states and 5455 transitions. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-21 12:48:42,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:46,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:50,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:54,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:48:58,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:49:11,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:49:15,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:49:19,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:49:23,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:49:27,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:49:27,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:49:27,301 INFO L93 Difference]: Finished difference Result 10022 states and 14242 transitions. [2023-12-21 12:49:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 12:49:27,302 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 217 [2023-12-21 12:49:27,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:49:27,328 INFO L225 Difference]: With dead ends: 10022 [2023-12-21 12:49:27,328 INFO L226 Difference]: Without dead ends: 5925 [2023-12-21 12:49:27,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2023-12-21 12:49:27,340 INFO L413 NwaCegarLoop]: 2209 mSDtfsCounter, 7300 mSDsluCounter, 6048 mSDsCounter, 0 mSdLazyCounter, 4791 mSolverCounterSat, 2905 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7412 SdHoareTripleChecker+Valid, 8257 SdHoareTripleChecker+Invalid, 7706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2905 IncrementalHoareTripleChecker+Valid, 4791 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.7s IncrementalHoareTripleChecker+Time [2023-12-21 12:49:27,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7412 Valid, 8257 Invalid, 7706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2905 Valid, 4791 Invalid, 10 Unknown, 0 Unchecked, 49.7s Time] [2023-12-21 12:49:27,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5925 states. [2023-12-21 12:49:27,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5925 to 4097. [2023-12-21 12:49:27,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4097 states, 3255 states have (on average 1.2476190476190476) internal successors, (4061), 3311 states have internal predecessors, (4061), 695 states have call successors, (695), 145 states have call predecessors, (695), 146 states have return successors, (695), 670 states have call predecessors, (695), 694 states have call successors, (695) [2023-12-21 12:49:27,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 4097 states and 5451 transitions. [2023-12-21 12:49:27,612 INFO L78 Accepts]: Start accepts. Automaton has 4097 states and 5451 transitions. Word has length 217 [2023-12-21 12:49:27,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:49:27,613 INFO L495 AbstractCegarLoop]: Abstraction has 4097 states and 5451 transitions. [2023-12-21 12:49:27,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-21 12:49:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 4097 states and 5451 transitions. [2023-12-21 12:49:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-12-21 12:49:27,615 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:49:27,615 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:49:27,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-21 12:49:27,615 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:49:27,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:49:27,616 INFO L85 PathProgramCache]: Analyzing trace with hash -991831873, now seen corresponding path program 1 times [2023-12-21 12:49:27,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:49:27,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135641270] [2023-12-21 12:49:27,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:49:27,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:49:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:49:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:49:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:49:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:49:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:49:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:49:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:49:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 12:49:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:49:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 12:49:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 12:49:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 12:49:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:49:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:49:28,362 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-21 12:49:28,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:49:28,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135641270] [2023-12-21 12:49:28,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135641270] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:49:28,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:49:28,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 12:49:28,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608470226] [2023-12-21 12:49:28,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:49:28,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 12:49:28,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:49:28,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 12:49:28,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:49:28,364 INFO L87 Difference]: Start difference. First operand 4097 states and 5451 transitions. Second operand has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-21 12:49:32,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:49:36,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:49:40,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:49:45,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:49:49,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:49:53,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:50:07,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:50:11,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:50:15,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:50:19,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:50:23,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:50:27,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:50:27,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:50:27,937 INFO L93 Difference]: Finished difference Result 10017 states and 14233 transitions. [2023-12-21 12:50:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 12:50:27,938 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 218 [2023-12-21 12:50:27,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:50:27,955 INFO L225 Difference]: With dead ends: 10017 [2023-12-21 12:50:27,955 INFO L226 Difference]: Without dead ends: 5922 [2023-12-21 12:50:27,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-21 12:50:27,966 INFO L413 NwaCegarLoop]: 2306 mSDtfsCounter, 10554 mSDsluCounter, 4018 mSDsCounter, 0 mSdLazyCounter, 5528 mSolverCounterSat, 3847 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10717 SdHoareTripleChecker+Valid, 6324 SdHoareTripleChecker+Invalid, 9387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3847 IncrementalHoareTripleChecker+Valid, 5528 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.5s IncrementalHoareTripleChecker+Time [2023-12-21 12:50:27,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10717 Valid, 6324 Invalid, 9387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3847 Valid, 5528 Invalid, 12 Unknown, 0 Unchecked, 58.5s Time] [2023-12-21 12:50:27,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5922 states. [2023-12-21 12:50:28,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5922 to 4093. [2023-12-21 12:50:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4093 states, 3253 states have (on average 1.2471564709498923) internal successors, (4057), 3309 states have internal predecessors, (4057), 693 states have call successors, (693), 145 states have call predecessors, (693), 146 states have return successors, (693), 668 states have call predecessors, (693), 692 states have call successors, (693) [2023-12-21 12:50:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4093 states to 4093 states and 5443 transitions. [2023-12-21 12:50:28,273 INFO L78 Accepts]: Start accepts. Automaton has 4093 states and 5443 transitions. Word has length 218 [2023-12-21 12:50:28,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:50:28,273 INFO L495 AbstractCegarLoop]: Abstraction has 4093 states and 5443 transitions. [2023-12-21 12:50:28,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.88888888888889) internal successors, (179), 6 states have internal predecessors, (179), 4 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-21 12:50:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 4093 states and 5443 transitions. [2023-12-21 12:50:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-12-21 12:50:28,276 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:50:28,276 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:50:28,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-21 12:50:28,276 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:50:28,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:50:28,278 INFO L85 PathProgramCache]: Analyzing trace with hash 807037794, now seen corresponding path program 1 times [2023-12-21 12:50:28,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:50:28,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164781465] [2023-12-21 12:50:28,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:50:28,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:50:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:28,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:50:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:50:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:28,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:50:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:50:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:29,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:50:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:50:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:29,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:50:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:29,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 12:50:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:50:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 12:50:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:29,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 12:50:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:29,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 12:50:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:50:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:50:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-21 12:50:29,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:50:29,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164781465] [2023-12-21 12:50:29,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164781465] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:50:29,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:50:29,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 12:50:29,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009264442] [2023-12-21 12:50:29,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:50:29,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 12:50:29,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:50:29,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 12:50:29,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-21 12:50:29,044 INFO L87 Difference]: Start difference. First operand 4093 states and 5443 transitions. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-21 12:50:33,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:50:37,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:50:41,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:50:45,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:50:50,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:01,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:05,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:09,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:13,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:18,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:18,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:51:18,056 INFO L93 Difference]: Finished difference Result 10008 states and 14209 transitions. [2023-12-21 12:51:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 12:51:18,056 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 218 [2023-12-21 12:51:18,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:51:18,072 INFO L225 Difference]: With dead ends: 10008 [2023-12-21 12:51:18,073 INFO L226 Difference]: Without dead ends: 5917 [2023-12-21 12:51:18,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2023-12-21 12:51:18,083 INFO L413 NwaCegarLoop]: 2088 mSDtfsCounter, 5634 mSDsluCounter, 5275 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 2117 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5768 SdHoareTripleChecker+Valid, 7363 SdHoareTripleChecker+Invalid, 7264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2117 IncrementalHoareTripleChecker+Valid, 5137 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.3s IncrementalHoareTripleChecker+Time [2023-12-21 12:51:18,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5768 Valid, 7363 Invalid, 7264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2117 Valid, 5137 Invalid, 10 Unknown, 0 Unchecked, 48.3s Time] [2023-12-21 12:51:18,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5917 states. [2023-12-21 12:51:18,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5917 to 4091. [2023-12-21 12:51:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4091 states, 3252 states have (on average 1.2469249692496924) internal successors, (4055), 3308 states have internal predecessors, (4055), 692 states have call successors, (692), 145 states have call predecessors, (692), 146 states have return successors, (692), 667 states have call predecessors, (692), 691 states have call successors, (692) [2023-12-21 12:51:18,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4091 states to 4091 states and 5439 transitions. [2023-12-21 12:51:18,373 INFO L78 Accepts]: Start accepts. Automaton has 4091 states and 5439 transitions. Word has length 218 [2023-12-21 12:51:18,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:51:18,373 INFO L495 AbstractCegarLoop]: Abstraction has 4091 states and 5439 transitions. [2023-12-21 12:51:18,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-21 12:51:18,374 INFO L276 IsEmpty]: Start isEmpty. Operand 4091 states and 5439 transitions. [2023-12-21 12:51:18,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-12-21 12:51:18,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:51:18,376 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:51:18,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-21 12:51:18,376 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:51:18,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:51:18,377 INFO L85 PathProgramCache]: Analyzing trace with hash -2054717665, now seen corresponding path program 1 times [2023-12-21 12:51:18,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:51:18,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572490853] [2023-12-21 12:51:18,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:51:18,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:51:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:51:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:51:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:51:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:51:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:51:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:51:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:51:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 12:51:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:51:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 12:51:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:51:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 12:51:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:51:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-21 12:51:19,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:51:19,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572490853] [2023-12-21 12:51:19,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572490853] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:51:19,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:51:19,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 12:51:19,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32970530] [2023-12-21 12:51:19,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:51:19,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 12:51:19,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:51:19,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 12:51:19,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-21 12:51:19,147 INFO L87 Difference]: Start difference. First operand 4091 states and 5439 transitions. Second operand has 8 states, 8 states have (on average 22.875) internal successors, (183), 5 states have internal predecessors, (183), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-21 12:51:24,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:28,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:32,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:36,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:40,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:49,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:51:49,401 INFO L93 Difference]: Finished difference Result 9871 states and 14052 transitions. [2023-12-21 12:51:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 12:51:49,402 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.875) internal successors, (183), 5 states have internal predecessors, (183), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 218 [2023-12-21 12:51:49,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:51:49,423 INFO L225 Difference]: With dead ends: 9871 [2023-12-21 12:51:49,423 INFO L226 Difference]: Without dead ends: 5782 [2023-12-21 12:51:49,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2023-12-21 12:51:49,437 INFO L413 NwaCegarLoop]: 2129 mSDtfsCounter, 5776 mSDsluCounter, 5611 mSDsCounter, 0 mSdLazyCounter, 4391 mSolverCounterSat, 3172 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5847 SdHoareTripleChecker+Valid, 7740 SdHoareTripleChecker+Invalid, 7568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3172 IncrementalHoareTripleChecker+Valid, 4391 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2023-12-21 12:51:49,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5847 Valid, 7740 Invalid, 7568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3172 Valid, 4391 Invalid, 5 Unknown, 0 Unchecked, 29.4s Time] [2023-12-21 12:51:49,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5782 states. [2023-12-21 12:51:49,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5782 to 4091. [2023-12-21 12:51:49,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4091 states, 3252 states have (on average 1.2466174661746618) internal successors, (4054), 3308 states have internal predecessors, (4054), 692 states have call successors, (692), 145 states have call predecessors, (692), 146 states have return successors, (692), 667 states have call predecessors, (692), 691 states have call successors, (692) [2023-12-21 12:51:49,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4091 states to 4091 states and 5438 transitions. [2023-12-21 12:51:49,886 INFO L78 Accepts]: Start accepts. Automaton has 4091 states and 5438 transitions. Word has length 218 [2023-12-21 12:51:49,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:51:49,887 INFO L495 AbstractCegarLoop]: Abstraction has 4091 states and 5438 transitions. [2023-12-21 12:51:49,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.875) internal successors, (183), 5 states have internal predecessors, (183), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-21 12:51:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 4091 states and 5438 transitions. [2023-12-21 12:51:49,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-12-21 12:51:49,890 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:51:49,891 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:51:49,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-21 12:51:49,891 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:51:49,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:51:49,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1669965368, now seen corresponding path program 1 times [2023-12-21 12:51:49,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:51:49,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273914043] [2023-12-21 12:51:49,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:51:49,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:51:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:51:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:51:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:51:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:51:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:51:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:51:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:51:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 12:51:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:51:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 12:51:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:51:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:51:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 12:51:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:51:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:51:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-21 12:51:50,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:51:50,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273914043] [2023-12-21 12:51:50,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273914043] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:51:50,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:51:50,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 12:51:50,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58663772] [2023-12-21 12:51:50,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:51:50,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 12:51:50,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:51:50,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 12:51:50,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-21 12:51:50,764 INFO L87 Difference]: Start difference. First operand 4091 states and 5438 transitions. Second operand has 8 states, 8 states have (on average 23.0) internal successors, (184), 5 states have internal predecessors, (184), 3 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-21 12:51:55,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:51:59,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:52:03,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:52:07,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:52:12,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:52:24,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:52:29,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:52:33,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:52:37,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:52:41,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:52:41,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:52:41,123 INFO L93 Difference]: Finished difference Result 10000 states and 14191 transitions. [2023-12-21 12:52:41,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 12:52:41,123 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.0) internal successors, (184), 5 states have internal predecessors, (184), 3 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 221 [2023-12-21 12:52:41,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:52:41,164 INFO L225 Difference]: With dead ends: 10000 [2023-12-21 12:52:41,164 INFO L226 Difference]: Without dead ends: 5911 [2023-12-21 12:52:41,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2023-12-21 12:52:41,191 INFO L413 NwaCegarLoop]: 2224 mSDtfsCounter, 6187 mSDsluCounter, 5498 mSDsCounter, 0 mSdLazyCounter, 4935 mSolverCounterSat, 2874 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6297 SdHoareTripleChecker+Valid, 7722 SdHoareTripleChecker+Invalid, 7819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2874 IncrementalHoareTripleChecker+Valid, 4935 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.5s IncrementalHoareTripleChecker+Time [2023-12-21 12:52:41,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6297 Valid, 7722 Invalid, 7819 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2874 Valid, 4935 Invalid, 10 Unknown, 0 Unchecked, 49.5s Time] [2023-12-21 12:52:41,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5911 states. [2023-12-21 12:52:41,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5911 to 4089. [2023-12-21 12:52:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4089 states, 3251 states have (on average 1.2463857274684713) internal successors, (4052), 3307 states have internal predecessors, (4052), 691 states have call successors, (691), 145 states have call predecessors, (691), 146 states have return successors, (691), 666 states have call predecessors, (691), 690 states have call successors, (691) [2023-12-21 12:52:41,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4089 states to 4089 states and 5434 transitions. [2023-12-21 12:52:41,535 INFO L78 Accepts]: Start accepts. Automaton has 4089 states and 5434 transitions. Word has length 221 [2023-12-21 12:52:41,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:52:41,536 INFO L495 AbstractCegarLoop]: Abstraction has 4089 states and 5434 transitions. [2023-12-21 12:52:41,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.0) internal successors, (184), 5 states have internal predecessors, (184), 3 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-21 12:52:41,536 INFO L276 IsEmpty]: Start isEmpty. Operand 4089 states and 5434 transitions. [2023-12-21 12:52:41,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-21 12:52:41,538 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:52:41,538 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:52:41,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-21 12:52:41,539 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:52:41,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:52:41,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1092719156, now seen corresponding path program 1 times [2023-12-21 12:52:41,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:52:41,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576600614] [2023-12-21 12:52:41,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:52:41,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:52:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-21 12:52:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:52:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:52:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 12:52:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:52:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-21 12:52:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:52:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 12:52:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-21 12:52:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 12:52:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:52:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 12:52:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 12:52:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-12-21 12:52:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:52:42,301 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-21 12:52:42,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:52:42,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576600614] [2023-12-21 12:52:42,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576600614] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:52:42,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:52:42,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 12:52:42,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450508184] [2023-12-21 12:52:42,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:52:42,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 12:52:42,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:52:42,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 12:52:42,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-21 12:52:42,303 INFO L87 Difference]: Start difference. First operand 4089 states and 5434 transitions. Second operand has 8 states, 8 states have (on average 22.75) internal successors, (182), 5 states have internal predecessors, (182), 3 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-21 12:52:47,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-12-21 12:52:51,301 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-21 12:52:51,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:52:52,502 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-21 12:52:52,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-21 12:52:52,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-21 12:52:52,593 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 295 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-12-21 12:52:52,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 296 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2023-12-21 12:52:52,594 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 12:52:52,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-21 12:52:52,595 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-12-21 12:52:52,597 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 12:52:52,599 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 12:52:52,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:52:52 BoogieIcfgContainer [2023-12-21 12:52:52,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 12:52:52,607 INFO L158 Benchmark]: Toolchain (without parser) took 855349.44ms. Allocated memory was 205.5MB in the beginning and 801.1MB in the end (delta: 595.6MB). Free memory was 138.4MB in the beginning and 461.4MB in the end (delta: -323.0MB). Peak memory consumption was 273.1MB. Max. memory is 8.0GB. [2023-12-21 12:52:52,607 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 205.5MB. Free memory was 156.9MB in the beginning and 156.8MB in the end (delta: 89.6kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 12:52:52,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 946.24ms. Allocated memory was 205.5MB in the beginning and 249.6MB in the end (delta: 44.0MB). Free memory was 137.9MB in the beginning and 169.2MB in the end (delta: -31.4MB). Peak memory consumption was 81.9MB. Max. memory is 8.0GB. [2023-12-21 12:52:52,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 213.55ms. Allocated memory is still 249.6MB. Free memory was 169.2MB in the beginning and 122.1MB in the end (delta: 47.2MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. [2023-12-21 12:52:52,608 INFO L158 Benchmark]: Boogie Preprocessor took 463.01ms. Allocated memory is still 249.6MB. Free memory was 122.1MB in the beginning and 164.4MB in the end (delta: -42.4MB). Peak memory consumption was 70.9MB. Max. memory is 8.0GB. [2023-12-21 12:52:52,608 INFO L158 Benchmark]: RCFGBuilder took 8205.08ms. Allocated memory was 249.6MB in the beginning and 499.1MB in the end (delta: 249.6MB). Free memory was 164.4MB in the beginning and 369.9MB in the end (delta: -205.5MB). Peak memory consumption was 188.7MB. Max. memory is 8.0GB. [2023-12-21 12:52:52,609 INFO L158 Benchmark]: TraceAbstraction took 845515.78ms. Allocated memory was 499.1MB in the beginning and 801.1MB in the end (delta: 302.0MB). Free memory was 369.4MB in the beginning and 461.4MB in the end (delta: -92.0MB). Peak memory consumption was 209.5MB. Max. memory is 8.0GB. [2023-12-21 12:52:52,614 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 205.5MB. Free memory was 156.9MB in the beginning and 156.8MB in the end (delta: 89.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 946.24ms. Allocated memory was 205.5MB in the beginning and 249.6MB in the end (delta: 44.0MB). Free memory was 137.9MB in the beginning and 169.2MB in the end (delta: -31.4MB). Peak memory consumption was 81.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 213.55ms. Allocated memory is still 249.6MB. Free memory was 169.2MB in the beginning and 122.1MB in the end (delta: 47.2MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 463.01ms. Allocated memory is still 249.6MB. Free memory was 122.1MB in the beginning and 164.4MB in the end (delta: -42.4MB). Peak memory consumption was 70.9MB. Max. memory is 8.0GB. * RCFGBuilder took 8205.08ms. Allocated memory was 249.6MB in the beginning and 499.1MB in the end (delta: 249.6MB). Free memory was 164.4MB in the beginning and 369.9MB in the end (delta: -205.5MB). Peak memory consumption was 188.7MB. Max. memory is 8.0GB. * TraceAbstraction took 845515.78ms. Allocated memory was 499.1MB in the beginning and 801.1MB in the end (delta: 302.0MB). Free memory was 369.4MB in the beginning and 461.4MB in the end (delta: -92.0MB). Peak memory consumption was 209.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 42]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.bug2.i","-S") [42] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 46). Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 2391 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 845.5s, OverallIterations: 19, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 817.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 162 mSolverCounterUnknown, 118316 SdHoareTripleChecker+Valid, 802.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116358 mSDsluCounter, 160254 SdHoareTripleChecker+Invalid, 784.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114601 mSDsCounter, 43906 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100113 IncrementalHoareTripleChecker+Invalid, 144182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43906 mSolverCounterUnsat, 45653 mSDtfsCounter, 100113 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1296 GetRequests, 1046 SyntacticMatches, 3 SemanticMatches, 247 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5663occurred in iteration=6, InterpolantAutomatonStates: 209, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 26777 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 4506 NumberOfCodeBlocks, 4506 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4484 ConstructedInterpolants, 0 QuantifiedInterpolants, 9234 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8421 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 22 InterpolantComputations, 19 PerfectInterpolantSequences, 266/280 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown