/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 12:22:07,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 12:22:07,384 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 12:22:07,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 12:22:07,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 12:22:07,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 12:22:07,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 12:22:07,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 12:22:07,414 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 12:22:07,417 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 12:22:07,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 12:22:07,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 12:22:07,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 12:22:07,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 12:22:07,419 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 12:22:07,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 12:22:07,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 12:22:07,419 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 12:22:07,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 12:22:07,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 12:22:07,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 12:22:07,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 12:22:07,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 12:22:07,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 12:22:07,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 12:22:07,420 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 12:22:07,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 12:22:07,421 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 12:22:07,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 12:22:07,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 12:22:07,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 12:22:07,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 12:22:07,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 12:22:07,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 12:22:07,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 12:22:07,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 12:22:07,422 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 12:22:07,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 12:22:07,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 12:22:07,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 12:22:07,423 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 12:22:07,423 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 12:22:07,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 12:22:07,423 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 12:22:07,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 12:22:07,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 12:22:07,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 12:22:07,651 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 12:22:07,653 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 12:22:07,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-1.c [2023-12-21 12:22:08,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 12:22:08,971 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 12:22:08,972 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-1.c [2023-12-21 12:22:08,992 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebb68c69c/096d0d2c4ed6453d865ac71066bf91ad/FLAGb7627c775 [2023-12-21 12:22:09,003 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebb68c69c/096d0d2c4ed6453d865ac71066bf91ad [2023-12-21 12:22:09,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 12:22:09,006 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 12:22:09,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 12:22:09,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 12:22:09,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 12:22:09,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:09,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a22ed6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09, skipping insertion in model container [2023-12-21 12:22:09,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:09,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 12:22:09,200 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] [2023-12-21 12:22:09,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 12:22:09,485 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 12:22:09,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [42] [2023-12-21 12:22:09,506 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] [2023-12-21 12:22:09,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 12:22:09,627 INFO L206 MainTranslator]: Completed translation [2023-12-21 12:22:09,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09 WrapperNode [2023-12-21 12:22:09,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 12:22:09,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 12:22:09,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 12:22:09,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 12:22:09,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:09,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:09,806 INFO L138 Inliner]: procedures = 57, calls = 1672, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3819 [2023-12-21 12:22:09,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 12:22:09,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 12:22:09,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 12:22:09,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 12:22:09,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:09,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:09,839 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:09,891 INFO L175 MemorySlicer]: Split 1232 memory accesses to 17 slices as follows [2, 241, 282, 156, 113, 7, 79, 57, 57, 79, 8, 56, 79, 4, 2, 2, 8]. 23 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 0, 2, 2, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 181 writes are split as follows [0, 25, 25, 2, 2, 3, 1, 1, 29, 27, 4, 29, 27, 0, 1, 1, 4]. [2023-12-21 12:22:09,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:09,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:09,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:09,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:09,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:10,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:10,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 12:22:10,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 12:22:10,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 12:22:10,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 12:22:10,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (1/1) ... [2023-12-21 12:22:10,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 12:22:10,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:22:10,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-21 12:22:10,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-21 12:22:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 12:22:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-12-21 12:22:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-12-21 12:22:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-12-21 12:22:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-12-21 12:22:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-21 12:22:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-12-21 12:22:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-12-21 12:22:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-12-21 12:22:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-12-21 12:22:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-12-21 12:22:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-12-21 12:22:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-21 12:22:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-21 12:22:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-21 12:22:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-21 12:22:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-21 12:22:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-21 12:22:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-21 12:22:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-21 12:22:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-21 12:22:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-21 12:22:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-21 12:22:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-21 12:22:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-12-21 12:22:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-12-21 12:22:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-12-21 12:22:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-12-21 12:22:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-12-21 12:22:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-12-21 12:22:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-12-21 12:22:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-12-21 12:22:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-12-21 12:22:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-21 12:22:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-12-21 12:22:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-21 12:22:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-12-21 12:22:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-21 12:22:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-21 12:22:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-12-21 12:22:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-21 12:22:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-21 12:22:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-21 12:22:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-12-21 12:22:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-12-21 12:22:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-12-21 12:22:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-21 12:22:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-21 12:22:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 12:22:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 12:22:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-21 12:22:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-21 12:22:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-21 12:22:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-21 12:22:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-21 12:22:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-21 12:22:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-21 12:22:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-21 12:22:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-21 12:22:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-21 12:22:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-12-21 12:22:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-12-21 12:22:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-12-21 12:22:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-12-21 12:22:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-12-21 12:22:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 12:22:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 12:22:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-12-21 12:22:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-12-21 12:22:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-12-21 12:22:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-12-21 12:22:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-12-21 12:22:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-12-21 12:22:10,423 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 12:22:10,424 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 12:22:17,292 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 12:22:17,358 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 12:22:17,359 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 12:22:17,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:22:17 BoogieIcfgContainer [2023-12-21 12:22:17,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 12:22:17,361 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 12:22:17,361 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 12:22:17,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 12:22:17,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:22:09" (1/3) ... [2023-12-21 12:22:17,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d31393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:22:17, skipping insertion in model container [2023-12-21 12:22:17,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:22:09" (2/3) ... [2023-12-21 12:22:17,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d31393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:22:17, skipping insertion in model container [2023-12-21 12:22:17,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:22:17" (3/3) ... [2023-12-21 12:22:17,365 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M1-1.c [2023-12-21 12:22:17,376 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 12:22:17,377 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 12:22:17,421 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 12:22:17,426 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;@aa2f532, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 12:22:17,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 12:22:17,433 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) [2023-12-21 12:22:17,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2023-12-21 12:22:17,485 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:22:17,486 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] [2023-12-21 12:22:17,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:22:17,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:22:17,491 INFO L85 PathProgramCache]: Analyzing trace with hash 735321255, now seen corresponding path program 1 times [2023-12-21 12:22:17,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:22:17,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546588980] [2023-12-21 12:22:17,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:22:17,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:22:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:22:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:22:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:22:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:22:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:22:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:22:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:22:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:22:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:22:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:22:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:22:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:22:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:22:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:22:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:22:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:22:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:22:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:22:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:22:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:22:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:22:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:22:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:22:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:22:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:22:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:22:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:22:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:22:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:22:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:22:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:22:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:22:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:22:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:22:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:22:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:22:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:22:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:22:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:22:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:22:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:22:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:22:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:22:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:22:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:22:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:22:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:22:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:22:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:22:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:22:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:22:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:22:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:22:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:22:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:22:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:22:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:22:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:22:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:22:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:22:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:22:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:22:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:22:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:22:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:22:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:22:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:22:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:22:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:22:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:22:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:22:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:22:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:22:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:22:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:22:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:22:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:22:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:22:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:22:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:22:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:22:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:22:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:22:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:22:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:22:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:18,575 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14280 trivial. 0 not checked. [2023-12-21 12:22:18,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:22:18,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546588980] [2023-12-21 12:22:18,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546588980] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 12:22:18,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 12:22:18,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 12:22:18,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661055352] [2023-12-21 12:22:18,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 12:22:18,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 12:22:18,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 12:22:18,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 12:22:18,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 12:22:18,603 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) [2023-12-21 12:22:22,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-21 12:22:22,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 12:22:22,771 INFO L93 Difference]: Finished difference Result 2208 states and 3755 transitions. [2023-12-21 12:22:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 12:22:22,774 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 [2023-12-21 12:22:22,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 12:22:22,799 INFO L225 Difference]: With dead ends: 2208 [2023-12-21 12:22:22,799 INFO L226 Difference]: Without dead ends: 1102 [2023-12-21 12:22:22,808 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 [2023-12-21 12:22:22,810 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, 4.1s IncrementalHoareTripleChecker+Time [2023-12-21 12:22:22,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1663 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-12-21 12:22:22,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2023-12-21 12:22:22,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1102. [2023-12-21 12:22:22,983 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) [2023-12-21 12:22:22,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1684 transitions. [2023-12-21 12:22:22,992 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1684 transitions. Word has length 716 [2023-12-21 12:22:22,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 12:22:22,993 INFO L495 AbstractCegarLoop]: Abstraction has 1102 states and 1684 transitions. [2023-12-21 12:22:22,994 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) [2023-12-21 12:22:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1684 transitions. [2023-12-21 12:22:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2023-12-21 12:22:23,012 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 12:22:23,012 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] [2023-12-21 12:22:23,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 12:22:23,013 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 12:22:23,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 12:22:23,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1324394833, now seen corresponding path program 1 times [2023-12-21 12:22:23,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 12:22:23,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310284780] [2023-12-21 12:22:23,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:22:23,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 12:22:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-21 12:22:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 12:22:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 12:22:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-21 12:22:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 12:22:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 12:22:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 12:22:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 12:22:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 12:22:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 12:22:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 12:22:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 12:22:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 12:22:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 12:22:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 12:22:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-21 12:22:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-21 12:22:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-21 12:22:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-21 12:22:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-21 12:22:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-21 12:22:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-21 12:22:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-21 12:22:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-21 12:22:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-12-21 12:22:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-12-21 12:22:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-12-21 12:22:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-21 12:22:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-12-21 12:22:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-12-21 12:22:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-12-21 12:22:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-12-21 12:22:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-12-21 12:22:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2023-12-21 12:22:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2023-12-21 12:22:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-12-21 12:22:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-12-21 12:22:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-12-21 12:22:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-12-21 12:22:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-12-21 12:22:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-12-21 12:22:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2023-12-21 12:22:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-12-21 12:22:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-12-21 12:22:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-12-21 12:22:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-12-21 12:22:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-12-21 12:22:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2023-12-21 12:22:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2023-12-21 12:22:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2023-12-21 12:22:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2023-12-21 12:22:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2023-12-21 12:22:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2023-12-21 12:22:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-12-21 12:22:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2023-12-21 12:22:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2023-12-21 12:22:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2023-12-21 12:22:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2023-12-21 12:22:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2023-12-21 12:22:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-12-21 12:22:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2023-12-21 12:22:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-12-21 12:22:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2023-12-21 12:22:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2023-12-21 12:22:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2023-12-21 12:22:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2023-12-21 12:22:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2023-12-21 12:22:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2023-12-21 12:22:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2023-12-21 12:22:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-12-21 12:22:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2023-12-21 12:22:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2023-12-21 12:22:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2023-12-21 12:22:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2023-12-21 12:22:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-21 12:22:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2023-12-21 12:22:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2023-12-21 12:22:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2023-12-21 12:22:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2023-12-21 12:22:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2023-12-21 12:22:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2023-12-21 12:22:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-21 12:22:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2023-12-21 12:22:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-21 12:22:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2023-12-21 12:22:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 27 proven. 225 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2023-12-21 12:22:30,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 12:22:30,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310284780] [2023-12-21 12:22:30,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310284780] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 12:22:30,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28576594] [2023-12-21 12:22:30,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 12:22:30,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 12:22:30,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 12:22:30,550 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 12:22:30,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 12:22:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 12:22:44,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 2223 conjuncts, 282 conjunts are in the unsatisfiable core [2023-12-21 12:22:44,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 12:22:44,483 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 [2023-12-21 12:22:46,666 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 [2023-12-21 12:22:47,630 INFO L224 Elim1Store]: Index analysis took 947 ms [2023-12-21 12:22:48,198 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 155 [2023-12-21 12:26:42,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 12:26:42,515 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 728 treesize of output 520 [2023-12-21 12:27:26,493 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 759 treesize of output 591 [2023-12-21 12:27:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 3774 proven. 7068 refuted. 0 times theorem prover too weak. 3438 trivial. 0 not checked. [2023-12-21 12:27:27,574 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 12:30:43,707 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") [2023-12-21 12:30:43,709 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 [2023-12-21 12:30:43,710 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-12-21 12:30:43,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 12:30:43,911 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 [2023-12-21 12:30:43,911 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.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) 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:364) 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) ... 60 more [2023-12-21 12:30:43,915 INFO L158 Benchmark]: Toolchain (without parser) took 514908.89ms. Allocated memory was 247.5MB in the beginning and 959.4MB in the end (delta: 712.0MB). Free memory was 195.0MB in the beginning and 756.2MB in the end (delta: -561.2MB). Peak memory consumption was 621.2MB. Max. memory is 8.0GB. [2023-12-21 12:30:43,915 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 12:30:43,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.06ms. Allocated memory is still 247.5MB. Free memory was 194.8MB in the beginning and 182.9MB in the end (delta: 11.8MB). Peak memory consumption was 40.0MB. Max. memory is 8.0GB. [2023-12-21 12:30:43,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 178.41ms. Allocated memory is still 247.5MB. Free memory was 182.9MB in the beginning and 148.4MB in the end (delta: 34.5MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-12-21 12:30:43,916 INFO L158 Benchmark]: Boogie Preprocessor took 233.43ms. Allocated memory is still 247.5MB. Free memory was 148.4MB in the beginning and 121.7MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-21 12:30:43,916 INFO L158 Benchmark]: RCFGBuilder took 7317.26ms. Allocated memory was 247.5MB in the beginning and 440.4MB in the end (delta: 192.9MB). Free memory was 121.7MB in the beginning and 301.9MB in the end (delta: -180.2MB). Peak memory consumption was 91.0MB. Max. memory is 8.0GB. [2023-12-21 12:30:43,916 INFO L158 Benchmark]: TraceAbstraction took 506553.72ms. Allocated memory was 440.4MB in the beginning and 959.4MB in the end (delta: 519.0MB). Free memory was 300.9MB in the beginning and 756.2MB in the end (delta: -455.3MB). Peak memory consumption was 533.9MB. Max. memory is 8.0GB. [2023-12-21 12:30:43,918 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 168.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 621.06ms. Allocated memory is still 247.5MB. Free memory was 194.8MB in the beginning and 182.9MB in the end (delta: 11.8MB). Peak memory consumption was 40.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 178.41ms. Allocated memory is still 247.5MB. Free memory was 182.9MB in the beginning and 148.4MB in the end (delta: 34.5MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 233.43ms. Allocated memory is still 247.5MB. Free memory was 148.4MB in the beginning and 121.7MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * RCFGBuilder took 7317.26ms. Allocated memory was 247.5MB in the beginning and 440.4MB in the end (delta: 192.9MB). Free memory was 121.7MB in the beginning and 301.9MB in the end (delta: -180.2MB). Peak memory consumption was 91.0MB. Max. memory is 8.0GB. * TraceAbstraction took 506553.72ms. Allocated memory was 440.4MB in the beginning and 959.4MB in the end (delta: 519.0MB). Free memory was 300.9MB in the beginning and 756.2MB in the end (delta: -455.3MB). Peak memory consumption was 533.9MB. 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...