/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 01:47:29,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 01:47:29,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 01:47:29,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 01:47:29,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 01:47:29,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 01:47:29,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 01:47:29,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 01:47:29,240 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 01:47:29,243 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 01:47:29,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 01:47:29,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 01:47:29,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 01:47:29,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 01:47:29,245 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 01:47:29,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 01:47:29,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 01:47:29,245 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 01:47:29,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 01:47:29,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 01:47:29,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 01:47:29,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 01:47:29,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 01:47:29,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 01:47:29,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 01:47:29,247 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 01:47:29,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 01:47:29,247 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 01:47:29,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 01:47:29,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 01:47:29,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 01:47:29,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 01:47:29,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 01:47:29,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 01:47:29,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 01:47:29,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 01:47:29,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 01:47:29,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 01:47:29,249 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 01:47:29,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 01:47:29,250 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 01:47:29,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 01:47:29,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 01:47:29,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-20 01:47:29,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 01:47:29,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 01:47:29,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 01:47:29,483 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 01:47:29,483 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 01:47:29,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-1.c [2023-12-20 01:47:30,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 01:47:30,712 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 01:47:30,713 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-1.c [2023-12-20 01:47:30,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0abfff56/34346413e80a4293bde2d1c664d3808d/FLAG536b5a167 [2023-12-20 01:47:30,751 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0abfff56/34346413e80a4293bde2d1c664d3808d [2023-12-20 01:47:30,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 01:47:30,755 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 01:47:30,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 01:47:30,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 01:47:30,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 01:47:30,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 01:47:30" (1/1) ... [2023-12-20 01:47:30,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d3a017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:30, skipping insertion in model container [2023-12-20 01:47:30,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 01:47:30" (1/1) ... [2023-12-20 01:47:30,814 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 01:47:30,924 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/rekcba_nxt.1.M1-1.c[1674,1687] [2023-12-20 01:47:31,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 01:47:31,147 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 01:47:31,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [42] [2023-12-20 01:47:31,164 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/rekcba_nxt.1.M1-1.c[1674,1687] [2023-12-20 01:47:31,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 01:47:31,300 INFO L206 MainTranslator]: Completed translation [2023-12-20 01:47:31,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31 WrapperNode [2023-12-20 01:47:31,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 01:47:31,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 01:47:31,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 01:47:31,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 01:47:31,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,475 INFO L138 Inliner]: procedures = 57, calls = 1672, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3819 [2023-12-20 01:47:31,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 01:47:31,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 01:47:31,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 01:47:31,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 01:47:31,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,515 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,575 INFO L175 MemorySlicer]: Split 1232 memory accesses to 17 slices as follows [2, 2, 241, 282, 156, 113, 79, 57, 57, 79, 56, 79, 8, 2, 8, 4, 7]. 23 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 0, 0, 2, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2]. The 181 writes are split as follows [0, 1, 25, 25, 2, 2, 1, 1, 29, 27, 29, 27, 4, 1, 4, 0, 3]. [2023-12-20 01:47:31,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 01:47:31,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 01:47:31,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 01:47:31,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 01:47:31,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (1/1) ... [2023-12-20 01:47:31,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 01:47:31,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:47:31,765 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) [2023-12-20 01:47:31,784 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 [2023-12-20 01:47:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 01:47:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-20 01:47:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-20 01:47:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-20 01:47:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-20 01:47:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-20 01:47:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-20 01:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-20 01:47:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-20 01:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-20 01:47:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-20 01:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-20 01:47:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-20 01:47:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-20 01:47:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-20 01:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-20 01:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-20 01:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-20 01:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-20 01:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-20 01:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-20 01:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-20 01:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-20 01:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-20 01:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-12-20 01:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-12-20 01:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-12-20 01:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-12-20 01:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-12-20 01:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-20 01:47:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-20 01:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-20 01:47:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-20 01:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-20 01:47:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-20 01:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-20 01:47:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-20 01:47:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-20 01:47:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-20 01:47:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-20 01:47:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-20 01:47:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-20 01:47:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-20 01:47:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-20 01:47:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-20 01:47:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-20 01:47:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-20 01:47:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-20 01:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 01:47:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 01:47:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 01:47:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-20 01:47:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-20 01:47:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-20 01:47:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-20 01:47:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-20 01:47:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-20 01:47:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-20 01:47:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-20 01:47:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-20 01:47:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-20 01:47:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-20 01:47:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-12-20 01:47:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-12-20 01:47:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-12-20 01:47:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-12-20 01:47:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-12-20 01:47:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 01:47:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 01:47:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-20 01:47:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-20 01:47:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-20 01:47:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-20 01:47:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-20 01:47:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-20 01:47:32,087 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 01:47:32,088 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 01:47:38,818 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 01:47:38,882 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 01:47:38,882 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 01:47:38,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 01:47:38 BoogieIcfgContainer [2023-12-20 01:47:38,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 01:47:38,884 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 01:47:38,884 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 01:47:38,886 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 01:47:38,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 01:47:30" (1/3) ... [2023-12-20 01:47:38,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5f3443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 01:47:38, skipping insertion in model container [2023-12-20 01:47:38,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 01:47:31" (2/3) ... [2023-12-20 01:47:38,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5f3443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 01:47:38, skipping insertion in model container [2023-12-20 01:47:38,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 01:47:38" (3/3) ... [2023-12-20 01:47:38,888 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M1-1.c [2023-12-20 01:47:38,899 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 01:47:38,899 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 01:47:38,941 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 01:47:38,945 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;@53d2f6c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 01:47:38,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 01:47:38,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 1105 states, 696 states have (on average 1.3031609195402298) internal successors, (907), 728 states have internal predecessors, (907), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) [2023-12-20 01:47:38,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2023-12-20 01:47:38,998 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:47:38,999 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:47:39,000 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:47:39,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:47:39,005 INFO L85 PathProgramCache]: Analyzing trace with hash 735321255, now seen corresponding path program 1 times [2023-12-20 01:47:39,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:47:39,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534882584] [2023-12-20 01:47:39,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:47:39,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:47:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:47:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:47:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:47:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:47:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:47:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:47:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:47:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:47:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:47:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:47:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:47:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:47:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:47:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:47:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:47:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:47:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:47:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:47:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:47:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:47:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:47:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:47:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:47:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:47:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:47:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:47:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:47:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:47:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:47:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:47:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:47:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:47:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:47:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:47:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:47:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:47:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:47:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:47:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:47:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:47:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:47:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:47:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:47:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:47:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:47:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:47:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:47:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:47:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:47:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:47:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:47:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:47:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:47:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:47:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:47:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:47:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:47:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:47:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:47:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:47:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:47:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:47:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:47:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:47:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:47:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:47:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:47:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:47:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:47:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:47:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:47:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:47:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:47:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:47:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:47:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:47:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:47:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:47:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:47:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:47:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:47:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:47:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:47:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:47:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:47:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14280 trivial. 0 not checked. [2023-12-20 01:47:40,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:47:40,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534882584] [2023-12-20 01:47:40,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534882584] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 01:47:40,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 01:47:40,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 01:47:40,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495041597] [2023-12-20 01:47:40,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 01:47:40,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 01:47:40,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 01:47:40,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 01:47:40,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 01:47:40,131 INFO L87 Difference]: Start difference. First operand has 1105 states, 696 states have (on average 1.3031609195402298) internal successors, (907), 728 states have internal predecessors, (907), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) Second operand has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) [2023-12-20 01:47:44,202 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 [] [2023-12-20 01:47:44,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 01:47:44,265 INFO L93 Difference]: Finished difference Result 2208 states and 3755 transitions. [2023-12-20 01:47:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 01:47:44,267 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) Word has length 716 [2023-12-20 01:47:44,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 01:47:44,280 INFO L225 Difference]: With dead ends: 2208 [2023-12-20 01:47:44,280 INFO L226 Difference]: Without dead ends: 1102 [2023-12-20 01:47:44,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 01:47:44,290 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-12-20 01:47:44,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1663 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2023-12-20 01:47:44,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2023-12-20 01:47:44,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1102. [2023-12-20 01:47:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 694 states have (on average 1.2968299711815563) internal successors, (900), 725 states have internal predecessors, (900), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) [2023-12-20 01:47:44,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1684 transitions. [2023-12-20 01:47:44,471 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1684 transitions. Word has length 716 [2023-12-20 01:47:44,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 01:47:44,471 INFO L495 AbstractCegarLoop]: Abstraction has 1102 states and 1684 transitions. [2023-12-20 01:47:44,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) [2023-12-20 01:47:44,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1684 transitions. [2023-12-20 01:47:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2023-12-20 01:47:44,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 01:47:44,486 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 01:47:44,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 01:47:44,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 01:47:44,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 01:47:44,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1324394833, now seen corresponding path program 1 times [2023-12-20 01:47:44,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 01:47:44,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410077038] [2023-12-20 01:47:44,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:47:44,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 01:47:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 01:47:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-20 01:47:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-20 01:47:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-20 01:47:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-20 01:47:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-20 01:47:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-20 01:47:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-20 01:47:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-20 01:47:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-20 01:47:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-20 01:47:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-20 01:47:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-20 01:47:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-20 01:47:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-20 01:47:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-20 01:47:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-20 01:47:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-20 01:47:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-20 01:47:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-20 01:47:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-20 01:47:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-20 01:47:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-20 01:47:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-20 01:47:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-20 01:47:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-20 01:47:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-20 01:47:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-20 01:47:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-20 01:47:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-20 01:47:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-20 01:47:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-20 01:47:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-20 01:47:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-20 01:47:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-20 01:47:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-20 01:47:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-20 01:47:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-20 01:47:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-20 01:47:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-20 01:47:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-20 01:47:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-20 01:47:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-20 01:47:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-20 01:47:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-20 01:47:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-20 01:47:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-20 01:47:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-20 01:47:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-20 01:47:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-20 01:47:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-20 01:47:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-20 01:47:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-20 01:47:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-20 01:47:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-20 01:47:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-20 01:47:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-20 01:47:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-20 01:47:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-20 01:47:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-20 01:47:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-20 01:47:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-20 01:47:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-20 01:47:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-20 01:47:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-20 01:47:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-20 01:47:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-20 01:47:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-20 01:47:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-20 01:47:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-20 01:47:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-20 01:47:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-20 01:47:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-20 01:47:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-20 01:47:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-20 01:47:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-20 01:47:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-20 01:47:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-20 01:47:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-20 01:47:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-20 01:47:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-20 01:47:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-20 01:47:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-20 01:47:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-20 01:47:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-20 01:47:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:47:51,180 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 27 proven. 225 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2023-12-20 01:47:51,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 01:47:51,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410077038] [2023-12-20 01:47:51,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410077038] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 01:47:51,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303328582] [2023-12-20 01:47:51,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 01:47:51,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:47:51,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 01:47:51,190 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) [2023-12-20 01:47:51,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 01:48:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 01:48:03,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 2223 conjuncts, 278 conjunts are in the unsatisfiable core [2023-12-20 01:48:03,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 01:48:03,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2023-12-20 01:48:05,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 325 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 133 [2023-12-20 01:48:05,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 195 [2023-12-20 01:51:16,889 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-20 01:51:16,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 26 select indices, 26 select index equivalence classes, 325 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 706 treesize of output 498 [2023-12-20 01:51:54,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 484 treesize of output 378 [2023-12-20 01:51:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 3774 proven. 7068 refuted. 0 times theorem prover too weak. 3438 trivial. 0 not checked. [2023-12-20 01:51:55,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 01:55:14,471 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-20 01:55:14,474 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 101 [2023-12-20 01:55:14,476 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-12-20 01:55:14,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-20 01:55:14,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 01:55:14,683 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:950) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:789) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:377) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:579) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 46 more [2023-12-20 01:55:14,685 INFO L158 Benchmark]: Toolchain (without parser) took 463930.79ms. Allocated memory was 342.9MB in the beginning and 730.9MB in the end (delta: 388.0MB). Free memory was 294.3MB in the beginning and 556.8MB in the end (delta: -262.5MB). Peak memory consumption was 126.5MB. Max. memory is 8.0GB. [2023-12-20 01:55:14,686 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 222.3MB. Free memory is still 169.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 01:55:14,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.86ms. Allocated memory is still 342.9MB. Free memory was 294.3MB in the beginning and 230.9MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2023-12-20 01:55:14,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.81ms. Allocated memory is still 342.9MB. Free memory was 230.9MB in the beginning and 272.3MB in the end (delta: -41.4MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2023-12-20 01:55:14,688 INFO L158 Benchmark]: Boogie Preprocessor took 250.58ms. Allocated memory is still 342.9MB. Free memory was 272.3MB in the beginning and 245.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-20 01:55:14,688 INFO L158 Benchmark]: RCFGBuilder took 7154.49ms. Allocated memory was 342.9MB in the beginning and 531.6MB in the end (delta: 188.7MB). Free memory was 245.5MB in the beginning and 389.3MB in the end (delta: -143.8MB). Peak memory consumption was 156.6MB. Max. memory is 8.0GB. [2023-12-20 01:55:14,688 INFO L158 Benchmark]: TraceAbstraction took 455801.06ms. Allocated memory was 531.6MB in the beginning and 730.9MB in the end (delta: 199.2MB). Free memory was 388.8MB in the beginning and 556.8MB in the end (delta: -168.0MB). Peak memory consumption was 31.2MB. Max. memory is 8.0GB. [2023-12-20 01:55:14,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 222.3MB. Free memory is still 169.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 541.86ms. Allocated memory is still 342.9MB. Free memory was 294.3MB in the beginning and 230.9MB in the end (delta: 63.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 173.81ms. Allocated memory is still 342.9MB. Free memory was 230.9MB in the beginning and 272.3MB in the end (delta: -41.4MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 250.58ms. Allocated memory is still 342.9MB. Free memory was 272.3MB in the beginning and 245.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * RCFGBuilder took 7154.49ms. Allocated memory was 342.9MB in the beginning and 531.6MB in the end (delta: 188.7MB). Free memory was 245.5MB in the beginning and 389.3MB in the end (delta: -143.8MB). Peak memory consumption was 156.6MB. Max. memory is 8.0GB. * TraceAbstraction took 455801.06ms. Allocated memory was 531.6MB in the beginning and 730.9MB in the end (delta: 199.2MB). Free memory was 388.8MB in the beginning and 556.8MB in the end (delta: -168.0MB). Peak memory consumption was 31.2MB. 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/nxt.bug1.i","-S") [42] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...