./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i --full-output --preprocessor.use.memory.slicer false --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fba957c5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 37c8a1c366adb82a8b869e1fb47fbdb5e72a3a4f1af40d95fd3c6c36b64ea913 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-dev-fba957c-m [2023-11-23 10:19:46,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 10:19:46,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 10:19:46,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 10:19:46,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 10:19:46,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 10:19:46,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 10:19:46,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 10:19:46,455 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 10:19:46,458 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 10:19:46,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 10:19:46,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 10:19:46,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 10:19:46,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 10:19:46,460 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 10:19:46,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 10:19:46,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 10:19:46,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 10:19:46,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 10:19:46,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 10:19:46,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 10:19:46,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 10:19:46,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 10:19:46,462 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 10:19:46,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 10:19:46,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 10:19:46,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 10:19:46,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 10:19:46,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:19:46,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 10:19:46,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 10:19:46,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 10:19:46,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 10:19:46,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 10:19:46,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 10:19:46,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 10:19:46,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 10:19:46,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 10:19:46,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 10:19:46,466 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37c8a1c366adb82a8b869e1fb47fbdb5e72a3a4f1af40d95fd3c6c36b64ea913 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 10:19:46,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 10:19:46,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 10:19:46,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 10:19:46,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 10:19:46,722 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 10:19:46,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i [2023-11-23 10:19:47,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 10:19:48,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 10:19:48,315 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i [2023-11-23 10:19:48,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c7620e65/1312d16e93b54577b47fd137eb943ccd/FLAG534b94e80 [2023-11-23 10:19:48,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c7620e65/1312d16e93b54577b47fd137eb943ccd [2023-11-23 10:19:48,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 10:19:48,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 10:19:48,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 10:19:48,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 10:19:48,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 10:19:48,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:19:48" (1/1) ... [2023-11-23 10:19:48,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9c9c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:48, skipping insertion in model container [2023-11-23 10:19:48,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:19:48" (1/1) ... [2023-11-23 10:19:48,557 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 10:19:49,210 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i[186142,186155] [2023-11-23 10:19:50,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:19:50,076 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 10:19:50,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6233] [2023-11-23 10:19:50,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6236] [2023-11-23 10:19:50,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6239] [2023-11-23 10:19:50,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6242] [2023-11-23 10:19:50,194 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i[186142,186155] [2023-11-23 10:19:50,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/697/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/libertas_tf/main.o.c.prepared"), "i" (336), "i" (12UL)); [6988-6989] [2023-11-23 10:19:50,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:19:50,456 WARN L675 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:19:50,456 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:19:50,467 INFO L206 MainTranslator]: Completed translation [2023-11-23 10:19:50,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50 WrapperNode [2023-11-23 10:19:50,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 10:19:50,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 10:19:50,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 10:19:50,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 10:19:50,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (1/1) ... [2023-11-23 10:19:50,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (1/1) ... [2023-11-23 10:19:50,659 INFO L138 Inliner]: procedures = 222, calls = 2983, calls flagged for inlining = 89, calls inlined = 44, statements flattened = 4489 [2023-11-23 10:19:50,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 10:19:50,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 10:19:50,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 10:19:50,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 10:19:50,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (1/1) ... [2023-11-23 10:19:50,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (1/1) ... [2023-11-23 10:19:50,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (1/1) ... [2023-11-23 10:19:50,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (1/1) ... [2023-11-23 10:19:50,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (1/1) ... [2023-11-23 10:19:50,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (1/1) ... [2023-11-23 10:19:50,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (1/1) ... [2023-11-23 10:19:50,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (1/1) ... [2023-11-23 10:19:50,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 10:19:50,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 10:19:50,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 10:19:50,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 10:19:50,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (1/1) ... [2023-11-23 10:19:50,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:19:50,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:19:50,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 10:19:50,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 10:19:50,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 10:19:50,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 10:19:50,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 10:19:50,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 10:19:50,911 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cleanup_and_insert_cmd [2023-11-23 10:19:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cleanup_and_insert_cmd [2023-11-23 10:19:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 10:19:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 10:19:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2023-11-23 10:19:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2023-11-23 10:19:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 10:19:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 10:19:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_tx [2023-11-23 10:19:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_tx [2023-11-23 10:19:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_get_survey [2023-11-23 10:19:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_get_survey [2023-11-23 10:19:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 10:19:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 10:19:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 10:19:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 10:19:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 10:19:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 10:19:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 10:19:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 10:19:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 10:19:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 10:19:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-23 10:19:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-23 10:19:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_beacon_set [2023-11-23 10:19:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_beacon_set [2023-11-23 10:19:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2023-11-23 10:19:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2023-11-23 10:19:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_beacon_ctrl [2023-11-23 10:19:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_beacon_ctrl [2023-11-23 10:19:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_free_adapter [2023-11-23 10:19:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_free_adapter [2023-11-23 10:19:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 10:19:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 10:19:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 10:19:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_bssid [2023-11-23 10:19:50,916 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_bssid [2023-11-23 10:19:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 10:19:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2023-11-23 10:19:50,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2023-11-23 10:19:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-11-23 10:19:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 10:19:50,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 10:19:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 10:19:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 10:19:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mode [2023-11-23 10:19:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mode [2023-11-23 10:19:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 10:19:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 10:19:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 10:19:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 10:19:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_prepare_multicast [2023-11-23 10:19:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_prepare_multicast [2023-11-23 10:19:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 10:19:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 10:19:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 10:19:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 10:19:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-23 10:19:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-23 10:19:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 10:19:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 10:19:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 10:19:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 10:19:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 10:19:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_bss_info_changed [2023-11-23 10:19:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_bss_info_changed [2023-11-23 10:19:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 10:19:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 10:19:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 10:19:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cmd_async [2023-11-23 10:19:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cmd_async [2023-11-23 10:19:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 10:19:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_radio_control [2023-11-23 10:19:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_radio_control [2023-11-23 10:19:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 10:19:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 10:19:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2023-11-23 10:19:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2023-11-23 10:19:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_config [2023-11-23 10:19:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_config [2023-11-23 10:19:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cmd [2023-11-23 10:19:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cmd [2023-11-23 10:19:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 10:19:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 10:19:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 10:19:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 10:19:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 10:19:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 10:19:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-11-23 10:19:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-11-23 10:19:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_configure_filter [2023-11-23 10:19:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_configure_filter [2023-11-23 10:19:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2023-11-23 10:19:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2023-11-23 10:19:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 10:19:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 10:19:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 10:19:50,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 10:19:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mac_control [2023-11-23 10:19:50,925 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mac_control [2023-11-23 10:19:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 10:19:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-23 10:19:50,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-23 10:19:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 10:19:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 10:19:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_remove_interface [2023-11-23 10:19:50,926 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_remove_interface [2023-11-23 10:19:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 10:19:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 10:19:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 10:19:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 10:19:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_cmd_async [2023-11-23 10:19:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_cmd_async [2023-11-23 10:19:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_add_interface [2023-11-23 10:19:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_add_interface [2023-11-23 10:19:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successfull_zalloc [2023-11-23 10:19:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successfull_zalloc [2023-11-23 10:19:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 10:19:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_start [2023-11-23 10:19:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_start [2023-11-23 10:19:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-23 10:19:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-23 10:19:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 10:19:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 10:19:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_cmd_set_mac_multicast_addr [2023-11-23 10:19:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_cmd_set_mac_multicast_addr [2023-11-23 10:19:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 10:19:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 10:19:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-23 10:19:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-23 10:19:51,348 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 10:19:51,353 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 10:19:52,094 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 10:19:54,259 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 10:19:54,407 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 10:19:54,407 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 10:19:54,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:19:54 BoogieIcfgContainer [2023-11-23 10:19:54,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 10:19:54,410 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 10:19:54,410 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 10:19:54,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 10:19:54,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:19:48" (1/3) ... [2023-11-23 10:19:54,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbc6ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:19:54, skipping insertion in model container [2023-11-23 10:19:54,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:19:50" (2/3) ... [2023-11-23 10:19:54,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbc6ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:19:54, skipping insertion in model container [2023-11-23 10:19:54,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:19:54" (3/3) ... [2023-11-23 10:19:54,419 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i [2023-11-23 10:19:54,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 10:19:54,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 10:19:54,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 10:19:54,501 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;@6aaccd18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 10:19:54,501 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 10:19:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 1375 states, 1018 states have (on average 1.5510805500982319) internal successors, (1579), 1035 states have internal predecessors, (1579), 298 states have call successors, (298), 58 states have call predecessors, (298), 57 states have return successors, (294), 290 states have call predecessors, (294), 294 states have call successors, (294) [2023-11-23 10:19:54,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 10:19:54,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:19:54,522 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:19:54,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:19:54,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:19:54,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1712132278, now seen corresponding path program 1 times [2023-11-23 10:19:54,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:19:54,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005881156] [2023-11-23 10:19:54,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:19:54,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:19:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:19:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:19:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:19:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:19:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:19:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:19:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:19:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:19:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:19:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:19:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:19:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:19:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 10:19:55,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:19:55,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005881156] [2023-11-23 10:19:55,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005881156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:19:55,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:19:55,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 10:19:55,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148144315] [2023-11-23 10:19:55,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:19:55,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:19:55,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:19:55,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:19:55,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 10:19:55,507 INFO L87 Difference]: Start difference. First operand has 1375 states, 1018 states have (on average 1.5510805500982319) internal successors, (1579), 1035 states have internal predecessors, (1579), 298 states have call successors, (298), 58 states have call predecessors, (298), 57 states have return successors, (294), 290 states have call predecessors, (294), 294 states have call successors, (294) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-23 10:20:01,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:20:01,265 INFO L93 Difference]: Finished difference Result 4486 states and 7213 transitions. [2023-11-23 10:20:01,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 10:20:01,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 118 [2023-11-23 10:20:01,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:20:01,338 INFO L225 Difference]: With dead ends: 4486 [2023-11-23 10:20:01,339 INFO L226 Difference]: Without dead ends: 3101 [2023-11-23 10:20:01,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:20:01,362 INFO L413 NwaCegarLoop]: 1564 mSDtfsCounter, 4507 mSDsluCounter, 3141 mSDsCounter, 0 mSdLazyCounter, 2446 mSolverCounterSat, 1848 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4712 SdHoareTripleChecker+Valid, 4705 SdHoareTripleChecker+Invalid, 4294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1848 IncrementalHoareTripleChecker+Valid, 2446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-23 10:20:01,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4712 Valid, 4705 Invalid, 4294 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1848 Valid, 2446 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-23 10:20:01,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2023-11-23 10:20:01,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 2657. [2023-11-23 10:20:01,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2657 states, 1979 states have (on average 1.5381505811015665) internal successors, (3044), 2001 states have internal predecessors, (3044), 566 states have call successors, (566), 112 states have call predecessors, (566), 111 states have return successors, (565), 557 states have call predecessors, (565), 565 states have call successors, (565) [2023-11-23 10:20:01,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 4175 transitions. [2023-11-23 10:20:01,615 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 4175 transitions. Word has length 118 [2023-11-23 10:20:01,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:20:01,616 INFO L495 AbstractCegarLoop]: Abstraction has 2657 states and 4175 transitions. [2023-11-23 10:20:01,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-23 10:20:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 4175 transitions. [2023-11-23 10:20:01,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-23 10:20:01,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:20:01,626 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:20:01,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 10:20:01,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:20:01,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:20:01,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1459354880, now seen corresponding path program 1 times [2023-11-23 10:20:01,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:20:01,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589971663] [2023-11-23 10:20:01,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:20:01,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:20:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:20:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:20:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:20:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:20:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:20:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:20:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:20:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 10:20:02,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:20:02,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589971663] [2023-11-23 10:20:02,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589971663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:20:02,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:20:02,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 10:20:02,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665341393] [2023-11-23 10:20:02,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:20:02,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 10:20:02,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:20:02,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 10:20:02,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 10:20:02,443 INFO L87 Difference]: Start difference. First operand 2657 states and 4175 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-23 10:20:08,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:20:08,062 INFO L93 Difference]: Finished difference Result 6045 states and 9622 transitions. [2023-11-23 10:20:08,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:20:08,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 129 [2023-11-23 10:20:08,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:20:08,080 INFO L225 Difference]: With dead ends: 6045 [2023-11-23 10:20:08,080 INFO L226 Difference]: Without dead ends: 3403 [2023-11-23 10:20:08,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-23 10:20:08,090 INFO L413 NwaCegarLoop]: 1576 mSDtfsCounter, 3869 mSDsluCounter, 4233 mSDsCounter, 0 mSdLazyCounter, 3400 mSolverCounterSat, 1360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4054 SdHoareTripleChecker+Valid, 5809 SdHoareTripleChecker+Invalid, 4760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1360 IncrementalHoareTripleChecker+Valid, 3400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-23 10:20:08,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4054 Valid, 5809 Invalid, 4760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1360 Valid, 3400 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-23 10:20:08,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2023-11-23 10:20:08,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2659. [2023-11-23 10:20:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2659 states, 1981 states have (on average 1.5371024734982333) internal successors, (3045), 2003 states have internal predecessors, (3045), 566 states have call successors, (566), 112 states have call predecessors, (566), 111 states have return successors, (565), 557 states have call predecessors, (565), 565 states have call successors, (565) [2023-11-23 10:20:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 4176 transitions. [2023-11-23 10:20:08,242 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 4176 transitions. Word has length 129 [2023-11-23 10:20:08,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:20:08,244 INFO L495 AbstractCegarLoop]: Abstraction has 2659 states and 4176 transitions. [2023-11-23 10:20:08,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-23 10:20:08,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 4176 transitions. [2023-11-23 10:20:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-23 10:20:08,249 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:20:08,249 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:20:08,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 10:20:08,249 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:20:08,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:20:08,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1942835453, now seen corresponding path program 1 times [2023-11-23 10:20:08,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:20:08,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200850585] [2023-11-23 10:20:08,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:20:08,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:20:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:20:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:20:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:20:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:20:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:20:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:20:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:20:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 10:20:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:08,962 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 10:20:08,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:20:08,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200850585] [2023-11-23 10:20:08,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200850585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:20:08,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:20:08,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 10:20:08,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512954369] [2023-11-23 10:20:08,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:20:08,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 10:20:08,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:20:08,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 10:20:08,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 10:20:08,968 INFO L87 Difference]: Start difference. First operand 2659 states and 4176 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 10:20:14,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:20:14,912 INFO L93 Difference]: Finished difference Result 9086 states and 14463 transitions. [2023-11-23 10:20:14,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 10:20:14,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 130 [2023-11-23 10:20:14,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:20:14,955 INFO L225 Difference]: With dead ends: 9086 [2023-11-23 10:20:14,955 INFO L226 Difference]: Without dead ends: 6420 [2023-11-23 10:20:14,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-23 10:20:14,972 INFO L413 NwaCegarLoop]: 1537 mSDtfsCounter, 6171 mSDsluCounter, 4739 mSDsCounter, 0 mSdLazyCounter, 3994 mSolverCounterSat, 2744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6425 SdHoareTripleChecker+Valid, 6276 SdHoareTripleChecker+Invalid, 6738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2744 IncrementalHoareTripleChecker+Valid, 3994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-23 10:20:14,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6425 Valid, 6276 Invalid, 6738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2744 Valid, 3994 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-23 10:20:14,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6420 states. [2023-11-23 10:20:15,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6420 to 5330. [2023-11-23 10:20:15,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5330 states, 3977 states have (on average 1.5385969323610762) internal successors, (6119), 4025 states have internal predecessors, (6119), 1124 states have call successors, (1124), 223 states have call predecessors, (1124), 228 states have return successors, (1142), 1109 states have call predecessors, (1142), 1123 states have call successors, (1142) [2023-11-23 10:20:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 8385 transitions. [2023-11-23 10:20:15,302 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 8385 transitions. Word has length 130 [2023-11-23 10:20:15,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:20:15,302 INFO L495 AbstractCegarLoop]: Abstraction has 5330 states and 8385 transitions. [2023-11-23 10:20:15,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 10:20:15,303 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 8385 transitions. [2023-11-23 10:20:15,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-23 10:20:15,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:20:15,321 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:20:15,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 10:20:15,321 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:20:15,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:20:15,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1860590203, now seen corresponding path program 1 times [2023-11-23 10:20:15,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:20:15,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063830559] [2023-11-23 10:20:15,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:20:15,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:20:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:20:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:20:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:20:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:20:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:20:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:20:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 10:20:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:20:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 10:20:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:20:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 10:20:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:20:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:20:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-23 10:20:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-23 10:20:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-11-23 10:20:15,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:20:15,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063830559] [2023-11-23 10:20:15,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063830559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:20:15,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:20:15,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:20:15,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491777397] [2023-11-23 10:20:15,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:20:15,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:20:15,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:20:15,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:20:15,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:20:15,985 INFO L87 Difference]: Start difference. First operand 5330 states and 8385 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 10:20:21,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:20:21,827 INFO L93 Difference]: Finished difference Result 12279 states and 19427 transitions. [2023-11-23 10:20:21,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 10:20:21,828 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 237 [2023-11-23 10:20:21,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:20:21,875 INFO L225 Difference]: With dead ends: 12279 [2023-11-23 10:20:21,875 INFO L226 Difference]: Without dead ends: 6964 [2023-11-23 10:20:21,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-23 10:20:21,900 INFO L413 NwaCegarLoop]: 1187 mSDtfsCounter, 3379 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 4099 mSolverCounterSat, 1846 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3561 SdHoareTripleChecker+Valid, 4534 SdHoareTripleChecker+Invalid, 5945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1846 IncrementalHoareTripleChecker+Valid, 4099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-23 10:20:21,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3561 Valid, 4534 Invalid, 5945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1846 Valid, 4099 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-23 10:20:21,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2023-11-23 10:20:22,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 5803. [2023-11-23 10:20:22,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5803 states, 4318 states have (on average 1.5340435386753126) internal successors, (6624), 4387 states have internal predecessors, (6624), 1210 states have call successors, (1210), 265 states have call predecessors, (1210), 274 states have return successors, (1232), 1182 states have call predecessors, (1232), 1209 states have call successors, (1232) [2023-11-23 10:20:22,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 5803 states and 9066 transitions. [2023-11-23 10:20:22,376 INFO L78 Accepts]: Start accepts. Automaton has 5803 states and 9066 transitions. Word has length 237 [2023-11-23 10:20:22,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:20:22,377 INFO L495 AbstractCegarLoop]: Abstraction has 5803 states and 9066 transitions. [2023-11-23 10:20:22,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 10:20:22,379 INFO L276 IsEmpty]: Start isEmpty. Operand 5803 states and 9066 transitions. [2023-11-23 10:20:22,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-11-23 10:20:22,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:20:22,404 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:20:22,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 10:20:22,405 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:20:22,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:20:22,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1901176421, now seen corresponding path program 1 times [2023-11-23 10:20:22,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:20:22,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027303313] [2023-11-23 10:20:22,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:20:22,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:20:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:20:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:20:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:20:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:20:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:20:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:20:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:20:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:20:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:20:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:20:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:20:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:22,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 10:20:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:23,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:20:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:23,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:23,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 10:20:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:23,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:20:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:23,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:20:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:23,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:23,068 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-11-23 10:20:23,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:20:23,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027303313] [2023-11-23 10:20:23,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027303313] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:20:23,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:20:23,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:20:23,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648872298] [2023-11-23 10:20:23,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:20:23,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:20:23,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:20:23,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:20:23,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:20:23,070 INFO L87 Difference]: Start difference. First operand 5803 states and 9066 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (23), 8 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 10:20:30,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:20:30,265 INFO L93 Difference]: Finished difference Result 17331 states and 27413 transitions. [2023-11-23 10:20:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 10:20:30,267 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (23), 8 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 280 [2023-11-23 10:20:30,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:20:30,325 INFO L225 Difference]: With dead ends: 17331 [2023-11-23 10:20:30,325 INFO L226 Difference]: Without dead ends: 11570 [2023-11-23 10:20:30,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2023-11-23 10:20:30,350 INFO L413 NwaCegarLoop]: 1218 mSDtfsCounter, 4554 mSDsluCounter, 2797 mSDsCounter, 0 mSdLazyCounter, 4984 mSolverCounterSat, 1742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4833 SdHoareTripleChecker+Valid, 4015 SdHoareTripleChecker+Invalid, 6726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1742 IncrementalHoareTripleChecker+Valid, 4984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-23 10:20:30,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4833 Valid, 4015 Invalid, 6726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1742 Valid, 4984 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-23 10:20:30,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11570 states. [2023-11-23 10:20:30,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11570 to 9679. [2023-11-23 10:20:30,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9679 states, 7256 states have (on average 1.535832414553473) internal successors, (11144), 7372 states have internal predecessors, (11144), 1972 states have call successors, (1972), 435 states have call predecessors, (1972), 450 states have return successors, (2001), 1927 states have call predecessors, (2001), 1971 states have call successors, (2001) [2023-11-23 10:20:30,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9679 states to 9679 states and 15117 transitions. [2023-11-23 10:20:30,914 INFO L78 Accepts]: Start accepts. Automaton has 9679 states and 15117 transitions. Word has length 280 [2023-11-23 10:20:30,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:20:30,915 INFO L495 AbstractCegarLoop]: Abstraction has 9679 states and 15117 transitions. [2023-11-23 10:20:30,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (23), 8 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-23 10:20:30,915 INFO L276 IsEmpty]: Start isEmpty. Operand 9679 states and 15117 transitions. [2023-11-23 10:20:30,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-11-23 10:20:30,932 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:20:30,932 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:20:30,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 10:20:30,932 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:20:30,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:20:30,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1026555149, now seen corresponding path program 1 times [2023-11-23 10:20:30,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:20:30,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562937278] [2023-11-23 10:20:30,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:20:30,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:20:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:20:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:20:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:20:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:20:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:20:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:20:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:20:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:20:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:20:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-23 10:20:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:20:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 10:20:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:20:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 10:20:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:20:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:20:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-23 10:20:31,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:20:31,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562937278] [2023-11-23 10:20:31,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562937278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:20:31,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:20:31,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:20:31,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105919717] [2023-11-23 10:20:31,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:20:31,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:20:31,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:20:31,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:20:31,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:20:31,521 INFO L87 Difference]: Start difference. First operand 9679 states and 15117 transitions. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 10:20:36,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:20:36,976 INFO L93 Difference]: Finished difference Result 16473 states and 26030 transitions. [2023-11-23 10:20:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:20:36,976 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 280 [2023-11-23 10:20:36,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:20:37,019 INFO L225 Difference]: With dead ends: 16473 [2023-11-23 10:20:37,019 INFO L226 Difference]: Without dead ends: 11563 [2023-11-23 10:20:37,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:20:37,039 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 1260 mSDsluCounter, 3597 mSDsCounter, 0 mSdLazyCounter, 5265 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 4737 SdHoareTripleChecker+Invalid, 5664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 5265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-23 10:20:37,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 4737 Invalid, 5664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 5265 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-23 10:20:37,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11563 states. [2023-11-23 10:20:37,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11563 to 9687. [2023-11-23 10:20:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9687 states, 7264 states have (on average 1.5352422907488987) internal successors, (11152), 7380 states have internal predecessors, (11152), 1972 states have call successors, (1972), 435 states have call predecessors, (1972), 450 states have return successors, (2001), 1927 states have call predecessors, (2001), 1971 states have call successors, (2001) [2023-11-23 10:20:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9687 states to 9687 states and 15125 transitions. [2023-11-23 10:20:37,459 INFO L78 Accepts]: Start accepts. Automaton has 9687 states and 15125 transitions. Word has length 280 [2023-11-23 10:20:37,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:20:37,461 INFO L495 AbstractCegarLoop]: Abstraction has 9687 states and 15125 transitions. [2023-11-23 10:20:37,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (23), 8 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 10:20:37,461 INFO L276 IsEmpty]: Start isEmpty. Operand 9687 states and 15125 transitions. [2023-11-23 10:20:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-11-23 10:20:37,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:20:37,477 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:20:37,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 10:20:37,478 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:20:37,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:20:37,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1961087787, now seen corresponding path program 1 times [2023-11-23 10:20:37,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:20:37,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139373675] [2023-11-23 10:20:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:20:37,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:20:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:20:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:20:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:20:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:20:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:20:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:20:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:20:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:20:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:20:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-23 10:20:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:20:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 10:20:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:20:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 10:20:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:20:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:20:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-23 10:20:38,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:20:38,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139373675] [2023-11-23 10:20:38,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139373675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:20:38,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:20:38,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-23 10:20:38,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375602134] [2023-11-23 10:20:38,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:20:38,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 10:20:38,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:20:38,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 10:20:38,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2023-11-23 10:20:38,825 INFO L87 Difference]: Start difference. First operand 9687 states and 15125 transitions. Second operand has 14 states, 14 states have (on average 10.0) internal successors, (140), 8 states have internal predecessors, (140), 5 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-23 10:20:52,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:20:52,632 INFO L93 Difference]: Finished difference Result 23402 states and 36832 transitions. [2023-11-23 10:20:52,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-23 10:20:52,632 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 8 states have internal predecessors, (140), 5 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) Word has length 281 [2023-11-23 10:20:52,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:20:52,673 INFO L225 Difference]: With dead ends: 23402 [2023-11-23 10:20:52,673 INFO L226 Difference]: Without dead ends: 13757 [2023-11-23 10:20:52,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=616, Unknown=0, NotChecked=0, Total=812 [2023-11-23 10:20:52,693 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 9712 mSDsluCounter, 2324 mSDsCounter, 0 mSdLazyCounter, 15653 mSolverCounterSat, 4120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10050 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 19773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4120 IncrementalHoareTripleChecker+Valid, 15653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-23 10:20:52,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10050 Valid, 2751 Invalid, 19773 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4120 Valid, 15653 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2023-11-23 10:20:52,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13757 states. [2023-11-23 10:20:53,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13757 to 11327. [2023-11-23 10:20:53,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11327 states, 8466 states have (on average 1.5348452634065675) internal successors, (12994), 8590 states have internal predecessors, (12994), 2324 states have call successors, (2324), 527 states have call predecessors, (2324), 536 states have return successors, (2335), 2277 states have call predecessors, (2335), 2323 states have call successors, (2335) [2023-11-23 10:20:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11327 states to 11327 states and 17653 transitions. [2023-11-23 10:20:53,161 INFO L78 Accepts]: Start accepts. Automaton has 11327 states and 17653 transitions. Word has length 281 [2023-11-23 10:20:53,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:20:53,165 INFO L495 AbstractCegarLoop]: Abstraction has 11327 states and 17653 transitions. [2023-11-23 10:20:53,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 8 states have internal predecessors, (140), 5 states have call successors, (23), 8 states have call predecessors, (23), 3 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-23 10:20:53,165 INFO L276 IsEmpty]: Start isEmpty. Operand 11327 states and 17653 transitions. [2023-11-23 10:20:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-11-23 10:20:53,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:20:53,190 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:20:53,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 10:20:53,190 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:20:53,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:20:53,190 INFO L85 PathProgramCache]: Analyzing trace with hash -2060542845, now seen corresponding path program 1 times [2023-11-23 10:20:53,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:20:53,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885079256] [2023-11-23 10:20:53,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:20:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:20:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:20:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:20:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:20:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:20:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:20:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:20:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:20:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:20:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:20:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-23 10:20:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:20:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:20:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:20:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 10:20:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:20:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:20:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 10:20:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-23 10:20:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-23 10:20:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 10:20:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-23 10:20:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 10:20:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-23 10:20:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-23 10:20:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:20:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:20:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:20:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:20:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:20:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:20:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2023-11-23 10:20:53,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:20:53,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885079256] [2023-11-23 10:20:53,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885079256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:20:53,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:20:53,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:20:53,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615166003] [2023-11-23 10:20:53,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:20:53,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:20:53,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:20:53,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:20:53,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:20:53,963 INFO L87 Difference]: Start difference. First operand 11327 states and 17653 transitions. Second operand has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 10:20:59,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:20:59,324 INFO L93 Difference]: Finished difference Result 24946 states and 39204 transitions. [2023-11-23 10:20:59,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:20:59,325 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 381 [2023-11-23 10:20:59,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:20:59,372 INFO L225 Difference]: With dead ends: 24946 [2023-11-23 10:20:59,373 INFO L226 Difference]: Without dead ends: 13661 [2023-11-23 10:20:59,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:20:59,401 INFO L413 NwaCegarLoop]: 1235 mSDtfsCounter, 1592 mSDsluCounter, 3112 mSDsCounter, 0 mSdLazyCounter, 4526 mSolverCounterSat, 845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1678 SdHoareTripleChecker+Valid, 4347 SdHoareTripleChecker+Invalid, 5371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 4526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-23 10:20:59,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1678 Valid, 4347 Invalid, 5371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 4526 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-23 10:20:59,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13661 states. [2023-11-23 10:20:59,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13661 to 11331. [2023-11-23 10:20:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11331 states, 8470 states have (on average 1.5345926800472256) internal successors, (12998), 8594 states have internal predecessors, (12998), 2324 states have call successors, (2324), 527 states have call predecessors, (2324), 536 states have return successors, (2335), 2277 states have call predecessors, (2335), 2323 states have call successors, (2335) [2023-11-23 10:21:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11331 states to 11331 states and 17657 transitions. [2023-11-23 10:21:00,031 INFO L78 Accepts]: Start accepts. Automaton has 11331 states and 17657 transitions. Word has length 381 [2023-11-23 10:21:00,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:21:00,032 INFO L495 AbstractCegarLoop]: Abstraction has 11331 states and 17657 transitions. [2023-11-23 10:21:00,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.11111111111111) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 10:21:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 11331 states and 17657 transitions. [2023-11-23 10:21:00,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-11-23 10:21:00,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:21:00,054 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:21:00,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 10:21:00,054 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:21:00,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:21:00,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1649932479, now seen corresponding path program 1 times [2023-11-23 10:21:00,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:21:00,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792422503] [2023-11-23 10:21:00,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:21:00,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:21:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:21:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:21:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:21:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:21:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:21:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:21:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:21:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:21:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:21:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:00,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-23 10:21:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:21:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:21:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 10:21:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 10:21:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-23 10:21:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-23 10:21:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 10:21:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-23 10:21:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 10:21:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-23 10:21:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-23 10:21:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:21:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:01,268 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-11-23 10:21:01,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:21:01,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792422503] [2023-11-23 10:21:01,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792422503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:21:01,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:21:01,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 10:21:01,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936966436] [2023-11-23 10:21:01,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:21:01,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 10:21:01,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:21:01,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 10:21:01,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-23 10:21:01,272 INFO L87 Difference]: Start difference. First operand 11331 states and 17657 transitions. Second operand has 11 states, 11 states have (on average 16.363636363636363) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (32), 8 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 10:21:08,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:21:08,301 INFO L93 Difference]: Finished difference Result 24932 states and 39162 transitions. [2023-11-23 10:21:08,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 10:21:08,302 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.363636363636363) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (32), 8 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 381 [2023-11-23 10:21:08,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:21:08,349 INFO L225 Difference]: With dead ends: 24932 [2023-11-23 10:21:08,349 INFO L226 Difference]: Without dead ends: 13643 [2023-11-23 10:21:08,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:21:08,373 INFO L413 NwaCegarLoop]: 1246 mSDtfsCounter, 2096 mSDsluCounter, 5873 mSDsCounter, 0 mSdLazyCounter, 5889 mSolverCounterSat, 1250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2182 SdHoareTripleChecker+Valid, 7119 SdHoareTripleChecker+Invalid, 7139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1250 IncrementalHoareTripleChecker+Valid, 5889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-23 10:21:08,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2182 Valid, 7119 Invalid, 7139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1250 Valid, 5889 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-11-23 10:21:08,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13643 states. [2023-11-23 10:21:08,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13643 to 11347. [2023-11-23 10:21:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11347 states, 8482 states have (on average 1.5338363593492101) internal successors, (13010), 8606 states have internal predecessors, (13010), 2324 states have call successors, (2324), 527 states have call predecessors, (2324), 540 states have return successors, (2339), 2281 states have call predecessors, (2339), 2323 states have call successors, (2339) [2023-11-23 10:21:08,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11347 states to 11347 states and 17673 transitions. [2023-11-23 10:21:08,888 INFO L78 Accepts]: Start accepts. Automaton has 11347 states and 17673 transitions. Word has length 381 [2023-11-23 10:21:08,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:21:08,889 INFO L495 AbstractCegarLoop]: Abstraction has 11347 states and 17673 transitions. [2023-11-23 10:21:08,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.363636363636363) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (32), 8 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 10:21:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 11347 states and 17673 transitions. [2023-11-23 10:21:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2023-11-23 10:21:08,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:21:08,905 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:21:08,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 10:21:08,905 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:21:08,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:21:08,906 INFO L85 PathProgramCache]: Analyzing trace with hash -367898221, now seen corresponding path program 1 times [2023-11-23 10:21:08,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:21:08,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773730486] [2023-11-23 10:21:08,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:21:08,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:21:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:21:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:21:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:21:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:21:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:21:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:21:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:21:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:21:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:21:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-23 10:21:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:21:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:21:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 10:21:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 10:21:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-23 10:21:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-23 10:21:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 10:21:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-23 10:21:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-23 10:21:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-23 10:21:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:21:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:21:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2023-11-23 10:21:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:21:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2023-11-23 10:21:09,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:21:09,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773730486] [2023-11-23 10:21:09,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773730486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:21:09,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:21:09,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 10:21:09,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538574908] [2023-11-23 10:21:09,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:21:09,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 10:21:09,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:21:09,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 10:21:09,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:21:09,869 INFO L87 Difference]: Start difference. First operand 11347 states and 17673 transitions. Second operand has 10 states, 10 states have (on average 18.3) internal successors, (183), 4 states have internal predecessors, (183), 2 states have call successors, (35), 8 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 10:21:15,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:21:15,905 INFO L93 Difference]: Finished difference Result 25048 states and 39362 transitions. [2023-11-23 10:21:15,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 10:21:15,906 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 4 states have internal predecessors, (183), 2 states have call successors, (35), 8 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 399 [2023-11-23 10:21:15,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:21:15,954 INFO L225 Difference]: With dead ends: 25048 [2023-11-23 10:21:15,955 INFO L226 Difference]: Without dead ends: 13743 [2023-11-23 10:21:15,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:21:15,981 INFO L413 NwaCegarLoop]: 1222 mSDtfsCounter, 2913 mSDsluCounter, 4474 mSDsCounter, 0 mSdLazyCounter, 4686 mSolverCounterSat, 1767 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 5696 SdHoareTripleChecker+Invalid, 6453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1767 IncrementalHoareTripleChecker+Valid, 4686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-23 10:21:15,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 5696 Invalid, 6453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1767 Valid, 4686 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-23 10:21:15,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13743 states. [2023-11-23 10:21:16,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13743 to 11395. [2023-11-23 10:21:16,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11395 states, 8522 states have (on average 1.5336775404834546) internal successors, (13070), 8646 states have internal predecessors, (13070), 2332 states have call successors, (2332), 527 states have call predecessors, (2332), 540 states have return successors, (2347), 2289 states have call predecessors, (2347), 2331 states have call successors, (2347) [2023-11-23 10:21:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11395 states to 11395 states and 17749 transitions. [2023-11-23 10:21:16,499 INFO L78 Accepts]: Start accepts. Automaton has 11395 states and 17749 transitions. Word has length 399 [2023-11-23 10:21:16,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:21:16,500 INFO L495 AbstractCegarLoop]: Abstraction has 11395 states and 17749 transitions. [2023-11-23 10:21:16,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 4 states have internal predecessors, (183), 2 states have call successors, (35), 8 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 10:21:16,501 INFO L276 IsEmpty]: Start isEmpty. Operand 11395 states and 17749 transitions. [2023-11-23 10:21:16,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2023-11-23 10:21:16,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:21:16,517 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:21:16,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 10:21:16,517 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:21:16,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:21:16,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2106751510, now seen corresponding path program 1 times [2023-11-23 10:21:16,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:21:16,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82341588] [2023-11-23 10:21:16,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:21:16,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:21:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:21:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:21:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:21:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:21:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:21:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:21:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:21:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:21:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:21:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-23 10:21:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:21:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:21:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 10:21:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-23 10:21:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:21:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:21:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:21:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:21:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 10:21:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 10:21:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-11-23 10:21:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-11-23 10:21:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-23 10:21:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-23 10:21:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-11-23 10:21:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-11-23 10:21:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:21:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:21:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2023-11-23 10:21:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:21:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2023-11-23 10:21:17,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:21:17,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82341588] [2023-11-23 10:21:17,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82341588] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:21:17,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572024054] [2023-11-23 10:21:17,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:21:17,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:21:17,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:21:17,956 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) [2023-11-23 10:21:17,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 10:21:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:19,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 7115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 10:21:19,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:21:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2023-11-23 10:21:19,334 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:21:19,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572024054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:21:19,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:21:19,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2023-11-23 10:21:19,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945590696] [2023-11-23 10:21:19,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:21:19,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 10:21:19,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:21:19,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 10:21:19,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-11-23 10:21:19,336 INFO L87 Difference]: Start difference. First operand 11395 states and 17749 transitions. Second operand has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 6 states have internal predecessors, (249), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2023-11-23 10:21:21,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:21:21,372 INFO L93 Difference]: Finished difference Result 28761 states and 44825 transitions. [2023-11-23 10:21:21,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 10:21:21,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 6 states have internal predecessors, (249), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 450 [2023-11-23 10:21:21,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:21:21,425 INFO L225 Difference]: With dead ends: 28761 [2023-11-23 10:21:21,426 INFO L226 Difference]: Without dead ends: 17408 [2023-11-23 10:21:21,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2023-11-23 10:21:21,450 INFO L413 NwaCegarLoop]: 3972 mSDtfsCounter, 2266 mSDsluCounter, 17478 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 21450 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 10:21:21,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 21450 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 10:21:21,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17408 states. [2023-11-23 10:21:22,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17408 to 11463. [2023-11-23 10:21:22,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11463 states, 8574 states have (on average 1.5327735012829484) internal successors, (13142), 8698 states have internal predecessors, (13142), 2344 states have call successors, (2344), 527 states have call predecessors, (2344), 544 states have return successors, (2367), 2305 states have call predecessors, (2367), 2343 states have call successors, (2367) [2023-11-23 10:21:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11463 states to 11463 states and 17853 transitions. [2023-11-23 10:21:22,044 INFO L78 Accepts]: Start accepts. Automaton has 11463 states and 17853 transitions. Word has length 450 [2023-11-23 10:21:22,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:21:22,044 INFO L495 AbstractCegarLoop]: Abstraction has 11463 states and 17853 transitions. [2023-11-23 10:21:22,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 6 states have internal predecessors, (249), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2023-11-23 10:21:22,045 INFO L276 IsEmpty]: Start isEmpty. Operand 11463 states and 17853 transitions. [2023-11-23 10:21:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2023-11-23 10:21:22,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:21:22,062 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:21:22,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 10:21:22,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-23 10:21:22,278 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:21:22,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:21:22,279 INFO L85 PathProgramCache]: Analyzing trace with hash -909897768, now seen corresponding path program 1 times [2023-11-23 10:21:22,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:21:22,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238802919] [2023-11-23 10:21:22,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:21:22,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:21:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:21:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:21:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:21:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:21:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:21:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:21:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:21:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:21:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 10:21:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-23 10:21:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:21:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:21:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 10:21:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:21:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:21:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 10:21:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:21:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-23 10:21:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2023-11-23 10:21:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2023-11-23 10:21:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2023-11-23 10:21:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:23,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2023-11-23 10:21:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2023-11-23 10:21:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2023-11-23 10:21:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:21:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:21:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2023-11-23 10:21:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:21:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:24,108 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-23 10:21:24,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:21:24,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238802919] [2023-11-23 10:21:24,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238802919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:21:24,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:21:24,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 10:21:24,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404952698] [2023-11-23 10:21:24,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:21:24,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 10:21:24,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:21:24,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 10:21:24,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-23 10:21:24,111 INFO L87 Difference]: Start difference. First operand 11463 states and 17853 transitions. Second operand has 11 states, 11 states have (on average 17.818181818181817) internal successors, (196), 4 states have internal predecessors, (196), 2 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-23 10:21:34,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:21:34,411 INFO L93 Difference]: Finished difference Result 38829 states and 61090 transitions. [2023-11-23 10:21:34,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 10:21:34,411 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 17.818181818181817) internal successors, (196), 4 states have internal predecessors, (196), 2 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 489 [2023-11-23 10:21:34,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:21:34,512 INFO L225 Difference]: With dead ends: 38829 [2023-11-23 10:21:34,512 INFO L226 Difference]: Without dead ends: 27408 [2023-11-23 10:21:34,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2023-11-23 10:21:34,546 INFO L413 NwaCegarLoop]: 1211 mSDtfsCounter, 5165 mSDsluCounter, 5626 mSDsCounter, 0 mSdLazyCounter, 7864 mSolverCounterSat, 2113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5435 SdHoareTripleChecker+Valid, 6837 SdHoareTripleChecker+Invalid, 9977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2113 IncrementalHoareTripleChecker+Valid, 7864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-23 10:21:34,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5435 Valid, 6837 Invalid, 9977 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2113 Valid, 7864 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-11-23 10:21:34,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27408 states. [2023-11-23 10:21:35,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27408 to 22799. [2023-11-23 10:21:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22799 states, 17062 states have (on average 1.5331145235025203) internal successors, (26158), 17317 states have internal predecessors, (26158), 4652 states have call successors, (4652), 1039 states have call predecessors, (4652), 1084 states have return successors, (4717), 4578 states have call predecessors, (4717), 4651 states have call successors, (4717) [2023-11-23 10:21:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 35527 transitions. [2023-11-23 10:21:35,936 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 35527 transitions. Word has length 489 [2023-11-23 10:21:35,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:21:35,936 INFO L495 AbstractCegarLoop]: Abstraction has 22799 states and 35527 transitions. [2023-11-23 10:21:35,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.818181818181817) internal successors, (196), 4 states have internal predecessors, (196), 2 states have call successors, (39), 8 states have call predecessors, (39), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2023-11-23 10:21:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 35527 transitions. [2023-11-23 10:21:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2023-11-23 10:21:35,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:21:35,964 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:21:35,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 10:21:35,964 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:21:35,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:21:35,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1258375899, now seen corresponding path program 1 times [2023-11-23 10:21:35,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:21:35,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916132640] [2023-11-23 10:21:35,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:21:35,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:21:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:21:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:21:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:21:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:21:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:21:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:21:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:21:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 10:21:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 10:21:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:21:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 10:21:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:21:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:21:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 10:21:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:21:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:21:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 10:21:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:21:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-23 10:21:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2023-11-23 10:21:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2023-11-23 10:21:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2023-11-23 10:21:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2023-11-23 10:21:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2023-11-23 10:21:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-23 10:21:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:21:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:21:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2023-11-23 10:21:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:21:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2023-11-23 10:21:36,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:21:36,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916132640] [2023-11-23 10:21:36,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916132640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:21:36,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:21:36,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 10:21:36,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647238509] [2023-11-23 10:21:36,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:21:36,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 10:21:36,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:21:36,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 10:21:36,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:21:36,851 INFO L87 Difference]: Start difference. First operand 22799 states and 35527 transitions. Second operand has 10 states, 10 states have (on average 19.4) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (40), 8 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-23 10:21:42,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:21:42,969 INFO L93 Difference]: Finished difference Result 30122 states and 47010 transitions. [2023-11-23 10:21:42,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 10:21:42,970 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.4) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (40), 8 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 490 [2023-11-23 10:21:42,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:21:43,035 INFO L225 Difference]: With dead ends: 30122 [2023-11-23 10:21:43,035 INFO L226 Difference]: Without dead ends: 7319 [2023-11-23 10:21:43,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-11-23 10:21:43,114 INFO L413 NwaCegarLoop]: 1208 mSDtfsCounter, 2648 mSDsluCounter, 4669 mSDsCounter, 0 mSdLazyCounter, 4752 mSolverCounterSat, 1679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2734 SdHoareTripleChecker+Valid, 5877 SdHoareTripleChecker+Invalid, 6431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 4752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-23 10:21:43,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2734 Valid, 5877 Invalid, 6431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 4752 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-23 10:21:43,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7319 states. [2023-11-23 10:21:43,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7319 to 5913. [2023-11-23 10:21:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5913 states, 4412 states have (on average 1.5296917497733453) internal successors, (6749), 4479 states have internal predecessors, (6749), 1206 states have call successors, (1206), 285 states have call predecessors, (1206), 294 states have return successors, (1218), 1183 states have call predecessors, (1218), 1205 states have call successors, (1218) [2023-11-23 10:21:43,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 9173 transitions. [2023-11-23 10:21:43,449 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 9173 transitions. Word has length 490 [2023-11-23 10:21:43,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:21:43,449 INFO L495 AbstractCegarLoop]: Abstraction has 5913 states and 9173 transitions. [2023-11-23 10:21:43,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.4) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (40), 8 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-11-23 10:21:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 9173 transitions. [2023-11-23 10:21:43,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2023-11-23 10:21:43,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:21:43,458 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:21:43,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-23 10:21:43,458 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:21:43,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:21:43,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1894160776, now seen corresponding path program 1 times [2023-11-23 10:21:43,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:21:43,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531553550] [2023-11-23 10:21:43,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:21:43,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:21:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:21:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:21:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:21:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:21:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:21:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:21:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:21:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:21:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:21:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-23 10:21:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-23 10:21:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-23 10:21:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:21:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:21:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 10:21:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:21:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:21:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 10:21:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:21:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-23 10:21:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-23 10:21:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-23 10:21:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-23 10:21:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2023-11-23 10:21:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2023-11-23 10:21:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2023-11-23 10:21:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:21:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:21:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2023-11-23 10:21:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:21:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-23 10:21:44,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:21:44,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531553550] [2023-11-23 10:21:44,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531553550] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:21:44,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:21:44,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:21:44,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54916793] [2023-11-23 10:21:44,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:21:44,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:21:44,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:21:44,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:21:44,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:21:44,708 INFO L87 Difference]: Start difference. First operand 5913 states and 9173 transitions. Second operand has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (42), 8 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-11-23 10:21:50,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:21:50,518 INFO L93 Difference]: Finished difference Result 12854 states and 20137 transitions. [2023-11-23 10:21:50,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:21:50,518 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (42), 8 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 507 [2023-11-23 10:21:50,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:21:50,542 INFO L225 Difference]: With dead ends: 12854 [2023-11-23 10:21:50,542 INFO L226 Difference]: Without dead ends: 7074 [2023-11-23 10:21:50,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:21:50,556 INFO L413 NwaCegarLoop]: 1229 mSDtfsCounter, 3208 mSDsluCounter, 3547 mSDsCounter, 0 mSdLazyCounter, 3612 mSolverCounterSat, 2066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3310 SdHoareTripleChecker+Valid, 4776 SdHoareTripleChecker+Invalid, 5678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2066 IncrementalHoareTripleChecker+Valid, 3612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-23 10:21:50,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3310 Valid, 4776 Invalid, 5678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2066 Valid, 3612 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-23 10:21:50,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7074 states. [2023-11-23 10:21:50,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7074 to 5909. [2023-11-23 10:21:50,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5909 states, 4410 states have (on average 1.5294784580498866) internal successors, (6745), 4477 states have internal predecessors, (6745), 1204 states have call successors, (1204), 285 states have call predecessors, (1204), 294 states have return successors, (1216), 1181 states have call predecessors, (1216), 1203 states have call successors, (1216) [2023-11-23 10:21:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5909 states to 5909 states and 9165 transitions. [2023-11-23 10:21:50,855 INFO L78 Accepts]: Start accepts. Automaton has 5909 states and 9165 transitions. Word has length 507 [2023-11-23 10:21:50,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:21:50,855 INFO L495 AbstractCegarLoop]: Abstraction has 5909 states and 9165 transitions. [2023-11-23 10:21:50,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (42), 8 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-11-23 10:21:50,855 INFO L276 IsEmpty]: Start isEmpty. Operand 5909 states and 9165 transitions. [2023-11-23 10:21:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2023-11-23 10:21:50,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:21:50,864 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:21:50,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 10:21:50,864 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:21:50,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:21:50,865 INFO L85 PathProgramCache]: Analyzing trace with hash -895980428, now seen corresponding path program 1 times [2023-11-23 10:21:50,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:21:50,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15068433] [2023-11-23 10:21:50,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:21:50,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:21:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:21:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:21:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:21:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:21:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:21:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:21:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 10:21:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:21:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:21:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-23 10:21:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-23 10:21:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-23 10:21:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:21:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:21:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 10:21:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 10:21:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:21:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 10:21:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:21:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-23 10:21:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2023-11-23 10:21:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-23 10:21:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-23 10:21:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2023-11-23 10:21:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2023-11-23 10:21:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2023-11-23 10:21:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:21:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:21:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2023-11-23 10:21:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:21:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:21:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:21:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:21:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:21:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:52,683 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 818 trivial. 0 not checked. [2023-11-23 10:21:52,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:21:52,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15068433] [2023-11-23 10:21:52,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15068433] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:21:52,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982295966] [2023-11-23 10:21:52,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:21:52,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:21:52,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:21:52,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:21:52,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 10:21:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:21:54,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 7472 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-23 10:21:54,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:21:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 175 proven. 3 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-11-23 10:21:54,257 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 10:21:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 57 proven. 3 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2023-11-23 10:21:55,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982295966] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 10:21:55,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 10:21:55,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 11] total 29 [2023-11-23 10:21:55,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757711598] [2023-11-23 10:21:55,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 10:21:55,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-23 10:21:55,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:21:55,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-23 10:21:55,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=735, Unknown=0, NotChecked=0, Total=812 [2023-11-23 10:21:55,170 INFO L87 Difference]: Start difference. First operand 5909 states and 9165 transitions. Second operand has 29 states, 26 states have (on average 12.384615384615385) internal successors, (322), 17 states have internal predecessors, (322), 6 states have call successors, (84), 8 states have call predecessors, (84), 8 states have return successors, (68), 8 states have call predecessors, (68), 6 states have call successors, (68) [2023-11-23 10:22:15,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:22:15,304 INFO L93 Difference]: Finished difference Result 12964 states and 20353 transitions. [2023-11-23 10:22:15,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-23 10:22:15,304 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 12.384615384615385) internal successors, (322), 17 states have internal predecessors, (322), 6 states have call successors, (84), 8 states have call predecessors, (84), 8 states have return successors, (68), 8 states have call predecessors, (68), 6 states have call successors, (68) Word has length 507 [2023-11-23 10:22:15,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:22:15,325 INFO L225 Difference]: With dead ends: 12964 [2023-11-23 10:22:15,325 INFO L226 Difference]: Without dead ends: 7089 [2023-11-23 10:22:15,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1160 GetRequests, 1123 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=1316, Unknown=0, NotChecked=0, Total=1482 [2023-11-23 10:22:15,342 INFO L413 NwaCegarLoop]: 1229 mSDtfsCounter, 1598 mSDsluCounter, 22121 mSDsCounter, 0 mSdLazyCounter, 24081 mSolverCounterSat, 859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 23350 SdHoareTripleChecker+Invalid, 24940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 859 IncrementalHoareTripleChecker+Valid, 24081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2023-11-23 10:22:15,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 23350 Invalid, 24940 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [859 Valid, 24081 Invalid, 0 Unknown, 0 Unchecked, 19.0s Time] [2023-11-23 10:22:15,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7089 states. [2023-11-23 10:22:15,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7089 to 5924. [2023-11-23 10:22:15,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5924 states, 4423 states have (on average 1.5274700429572687) internal successors, (6756), 4490 states have internal predecessors, (6756), 1204 states have call successors, (1204), 285 states have call predecessors, (1204), 296 states have return successors, (1218), 1183 states have call predecessors, (1218), 1203 states have call successors, (1218) [2023-11-23 10:22:15,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5924 states to 5924 states and 9178 transitions. [2023-11-23 10:22:15,654 INFO L78 Accepts]: Start accepts. Automaton has 5924 states and 9178 transitions. Word has length 507 [2023-11-23 10:22:15,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:22:15,654 INFO L495 AbstractCegarLoop]: Abstraction has 5924 states and 9178 transitions. [2023-11-23 10:22:15,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 12.384615384615385) internal successors, (322), 17 states have internal predecessors, (322), 6 states have call successors, (84), 8 states have call predecessors, (84), 8 states have return successors, (68), 8 states have call predecessors, (68), 6 states have call successors, (68) [2023-11-23 10:22:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 5924 states and 9178 transitions. [2023-11-23 10:22:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2023-11-23 10:22:15,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:22:15,664 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:22:15,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 10:22:15,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-23 10:22:15,881 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:22:15,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:22:15,881 INFO L85 PathProgramCache]: Analyzing trace with hash 814331062, now seen corresponding path program 1 times [2023-11-23 10:22:15,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:22:15,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628226052] [2023-11-23 10:22:15,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:22:15,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:22:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:22:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:22:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:22:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:22:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:22:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:22:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:22:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 10:22:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 10:22:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 10:22:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:22:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:22:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 10:22:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 10:22:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-23 10:22:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:22:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-23 10:22:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:22:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2023-11-23 10:22:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2023-11-23 10:22:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2023-11-23 10:22:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2023-11-23 10:22:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2023-11-23 10:22:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2023-11-23 10:22:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2023-11-23 10:22:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2023-11-23 10:22:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2023-11-23 10:22:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2023-11-23 10:22:17,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:22:17,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628226052] [2023-11-23 10:22:17,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628226052] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:22:17,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391647228] [2023-11-23 10:22:17,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:22:17,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:22:17,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:22:17,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:22:17,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 10:22:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:19,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 7604 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 10:22:19,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:22:19,461 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 190 proven. 6 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-23 10:22:19,461 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 10:22:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2023-11-23 10:22:19,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391647228] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 10:22:19,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 10:22:19,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11, 7] total 17 [2023-11-23 10:22:19,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101980532] [2023-11-23 10:22:19,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:22:19,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:22:19,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:22:19,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:22:19,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-11-23 10:22:19,812 INFO L87 Difference]: Start difference. First operand 5924 states and 9178 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) [2023-11-23 10:22:20,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:22:20,948 INFO L93 Difference]: Finished difference Result 11732 states and 18443 transitions. [2023-11-23 10:22:20,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 10:22:20,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) Word has length 527 [2023-11-23 10:22:20,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:22:20,971 INFO L225 Difference]: With dead ends: 11732 [2023-11-23 10:22:20,971 INFO L226 Difference]: Without dead ends: 5942 [2023-11-23 10:22:20,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1196 GetRequests, 1180 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-11-23 10:22:21,000 INFO L413 NwaCegarLoop]: 2055 mSDtfsCounter, 63 mSDsluCounter, 6068 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 8123 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 10:22:21,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 8123 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 10:22:21,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5942 states. [2023-11-23 10:22:21,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5942 to 5938. [2023-11-23 10:22:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5938 states, 4435 states have (on average 1.5273957158962796) internal successors, (6774), 4504 states have internal predecessors, (6774), 1204 states have call successors, (1204), 285 states have call predecessors, (1204), 298 states have return successors, (1240), 1183 states have call predecessors, (1240), 1203 states have call successors, (1240) [2023-11-23 10:22:21,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5938 states to 5938 states and 9218 transitions. [2023-11-23 10:22:21,313 INFO L78 Accepts]: Start accepts. Automaton has 5938 states and 9218 transitions. Word has length 527 [2023-11-23 10:22:21,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:22:21,314 INFO L495 AbstractCegarLoop]: Abstraction has 5938 states and 9218 transitions. [2023-11-23 10:22:21,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) [2023-11-23 10:22:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 5938 states and 9218 transitions. [2023-11-23 10:22:21,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2023-11-23 10:22:21,323 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:22:21,324 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:22:21,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-23 10:22:21,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:22:21,548 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:22:21,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:22:21,549 INFO L85 PathProgramCache]: Analyzing trace with hash 192757058, now seen corresponding path program 1 times [2023-11-23 10:22:21,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:22:21,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903282506] [2023-11-23 10:22:21,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:22:21,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:22:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:22:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:22:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:22:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:22:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:22:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:22:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:22:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 10:22:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 10:22:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 10:22:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:22:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:22:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 10:22:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:22:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 10:22:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:22:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 10:22:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:22:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2023-11-23 10:22:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2023-11-23 10:22:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2023-11-23 10:22:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2023-11-23 10:22:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2023-11-23 10:22:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2023-11-23 10:22:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2023-11-23 10:22:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2023-11-23 10:22:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2023-11-23 10:22:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:24,698 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-23 10:22:24,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:22:24,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903282506] [2023-11-23 10:22:24,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903282506] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:22:24,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673474922] [2023-11-23 10:22:24,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:22:24,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:22:24,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:22:24,700 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:22:24,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 10:22:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:26,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 7738 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 10:22:26,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:22:26,268 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 185 proven. 1 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2023-11-23 10:22:26,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 10:22:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2023-11-23 10:22:26,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673474922] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 10:22:26,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 10:22:26,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11, 5] total 15 [2023-11-23 10:22:26,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851142137] [2023-11-23 10:22:26,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:22:26,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 10:22:26,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:22:26,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 10:22:26,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:22:26,535 INFO L87 Difference]: Start difference. First operand 5938 states and 9218 transitions. Second operand has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-23 10:22:27,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:22:27,712 INFO L93 Difference]: Finished difference Result 11752 states and 18487 transitions. [2023-11-23 10:22:27,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 10:22:27,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 528 [2023-11-23 10:22:27,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:22:27,739 INFO L225 Difference]: With dead ends: 11752 [2023-11-23 10:22:27,739 INFO L226 Difference]: Without dead ends: 5948 [2023-11-23 10:22:27,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1198 GetRequests, 1184 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:22:27,756 INFO L413 NwaCegarLoop]: 2067 mSDtfsCounter, 3 mSDsluCounter, 4106 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6173 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 10:22:27,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6173 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 10:22:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5948 states. [2023-11-23 10:22:28,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5948 to 5944. [2023-11-23 10:22:28,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5944 states, 4441 states have (on average 1.5266831794640847) internal successors, (6780), 4510 states have internal predecessors, (6780), 1204 states have call successors, (1204), 285 states have call predecessors, (1204), 298 states have return successors, (1240), 1183 states have call predecessors, (1240), 1203 states have call successors, (1240) [2023-11-23 10:22:28,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5944 states to 5944 states and 9224 transitions. [2023-11-23 10:22:28,062 INFO L78 Accepts]: Start accepts. Automaton has 5944 states and 9224 transitions. Word has length 528 [2023-11-23 10:22:28,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:22:28,062 INFO L495 AbstractCegarLoop]: Abstraction has 5944 states and 9224 transitions. [2023-11-23 10:22:28,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-23 10:22:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 5944 states and 9224 transitions. [2023-11-23 10:22:28,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2023-11-23 10:22:28,071 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:22:28,071 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:22:28,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 10:22:28,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-23 10:22:28,298 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:22:28,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:22:28,298 INFO L85 PathProgramCache]: Analyzing trace with hash -818426572, now seen corresponding path program 1 times [2023-11-23 10:22:28,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:22:28,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703660897] [2023-11-23 10:22:28,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:22:28,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:22:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:29,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:29,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:22:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:22:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:29,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:29,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:22:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:22:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:22:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:22:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:22:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 10:22:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 10:22:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 10:22:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:22:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:22:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 10:22:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 10:22:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 10:22:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:22:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 10:22:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-23 10:22:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2023-11-23 10:22:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-23 10:22:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2023-11-23 10:22:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2023-11-23 10:22:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2023-11-23 10:22:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2023-11-23 10:22:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2023-11-23 10:22:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2023-11-23 10:22:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2023-11-23 10:22:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2023-11-23 10:22:30,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:22:30,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703660897] [2023-11-23 10:22:30,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703660897] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:22:30,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711983954] [2023-11-23 10:22:30,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:22:30,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:22:30,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:22:30,624 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:22:30,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 10:22:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:32,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 7757 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 10:22:32,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:22:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2023-11-23 10:22:32,202 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:22:32,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711983954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:22:32,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:22:32,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2023-11-23 10:22:32,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940156979] [2023-11-23 10:22:32,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:22:32,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 10:22:32,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:22:32,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 10:22:32,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-23 10:22:32,204 INFO L87 Difference]: Start difference. First operand 5944 states and 9224 transitions. Second operand has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-11-23 10:22:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:22:33,138 INFO L93 Difference]: Finished difference Result 11778 states and 18315 transitions. [2023-11-23 10:22:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 10:22:33,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 529 [2023-11-23 10:22:33,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:22:33,159 INFO L225 Difference]: With dead ends: 11778 [2023-11-23 10:22:33,159 INFO L226 Difference]: Without dead ends: 5968 [2023-11-23 10:22:33,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 674 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-23 10:22:33,172 INFO L413 NwaCegarLoop]: 2068 mSDtfsCounter, 142 mSDsluCounter, 4005 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 6073 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 10:22:33,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 6073 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 10:22:33,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5968 states. [2023-11-23 10:22:33,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5968 to 5968. [2023-11-23 10:22:33,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5968 states, 4461 states have (on average 1.5265635507733692) internal successors, (6810), 4530 states have internal predecessors, (6810), 1208 states have call successors, (1208), 285 states have call predecessors, (1208), 298 states have return successors, (1244), 1187 states have call predecessors, (1244), 1207 states have call successors, (1244) [2023-11-23 10:22:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5968 states to 5968 states and 9262 transitions. [2023-11-23 10:22:33,463 INFO L78 Accepts]: Start accepts. Automaton has 5968 states and 9262 transitions. Word has length 529 [2023-11-23 10:22:33,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:22:33,464 INFO L495 AbstractCegarLoop]: Abstraction has 5968 states and 9262 transitions. [2023-11-23 10:22:33,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-11-23 10:22:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 5968 states and 9262 transitions. [2023-11-23 10:22:33,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2023-11-23 10:22:33,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:22:33,473 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:22:33,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 10:22:33,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-23 10:22:33,687 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:22:33,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:22:33,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1242980870, now seen corresponding path program 1 times [2023-11-23 10:22:33,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:22:33,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804546441] [2023-11-23 10:22:33,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:22:33,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:22:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:22:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:22:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:22:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:22:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:22:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:22:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:22:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 10:22:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 10:22:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 10:22:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:22:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:22:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 10:22:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 10:22:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 10:22:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 10:22:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:22:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:22:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 10:22:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 10:22:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2023-11-23 10:22:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-11-23 10:22:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2023-11-23 10:22:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2023-11-23 10:22:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-11-23 10:22:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2023-11-23 10:22:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2023-11-23 10:22:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2023-11-23 10:22:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2023-11-23 10:22:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:34,797 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-23 10:22:34,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:22:34,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804546441] [2023-11-23 10:22:34,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804546441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:22:34,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:22:34,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:22:34,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932560059] [2023-11-23 10:22:34,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:22:34,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:22:34,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:22:34,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:22:34,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:22:34,800 INFO L87 Difference]: Start difference. First operand 5968 states and 9262 transitions. Second operand has 9 states, 9 states have (on average 24.88888888888889) internal successors, (224), 3 states have internal predecessors, (224), 2 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-23 10:22:39,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:22:39,846 INFO L93 Difference]: Finished difference Result 12991 states and 20335 transitions. [2023-11-23 10:22:39,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:22:39,847 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 24.88888888888889) internal successors, (224), 3 states have internal predecessors, (224), 2 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 555 [2023-11-23 10:22:39,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:22:39,886 INFO L225 Difference]: With dead ends: 12991 [2023-11-23 10:22:39,886 INFO L226 Difference]: Without dead ends: 7157 [2023-11-23 10:22:39,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:22:39,901 INFO L413 NwaCegarLoop]: 1265 mSDtfsCounter, 2649 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 3667 mSolverCounterSat, 1659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 4930 SdHoareTripleChecker+Invalid, 5326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1659 IncrementalHoareTripleChecker+Valid, 3667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-23 10:22:39,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2742 Valid, 4930 Invalid, 5326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1659 Valid, 3667 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-23 10:22:39,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7157 states. [2023-11-23 10:22:40,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7157 to 5970. [2023-11-23 10:22:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5970 states, 4463 states have (on average 1.526327582343715) internal successors, (6812), 4532 states have internal predecessors, (6812), 1208 states have call successors, (1208), 285 states have call predecessors, (1208), 298 states have return successors, (1244), 1187 states have call predecessors, (1244), 1207 states have call successors, (1244) [2023-11-23 10:22:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5970 states to 5970 states and 9264 transitions. [2023-11-23 10:22:40,215 INFO L78 Accepts]: Start accepts. Automaton has 5970 states and 9264 transitions. Word has length 555 [2023-11-23 10:22:40,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:22:40,215 INFO L495 AbstractCegarLoop]: Abstraction has 5970 states and 9264 transitions. [2023-11-23 10:22:40,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 24.88888888888889) internal successors, (224), 3 states have internal predecessors, (224), 2 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-23 10:22:40,215 INFO L276 IsEmpty]: Start isEmpty. Operand 5970 states and 9264 transitions. [2023-11-23 10:22:40,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2023-11-23 10:22:40,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:22:40,224 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:22:40,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-23 10:22:40,225 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:22:40,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:22:40,225 INFO L85 PathProgramCache]: Analyzing trace with hash -419016290, now seen corresponding path program 1 times [2023-11-23 10:22:40,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:22:40,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776138567] [2023-11-23 10:22:40,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:22:40,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:22:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:22:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:22:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:22:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:22:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:22:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:22:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:22:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 10:22:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 10:22:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 10:22:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:22:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:22:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 10:22:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 10:22:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 10:22:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 10:22:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:22:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:22:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-23 10:22:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-23 10:22:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2023-11-23 10:22:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2023-11-23 10:22:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-11-23 10:22:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2023-11-23 10:22:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-11-23 10:22:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-11-23 10:22:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2023-11-23 10:22:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2023-11-23 10:22:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2023-11-23 10:22:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-23 10:22:41,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:22:41,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776138567] [2023-11-23 10:22:41,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776138567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:22:41,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:22:41,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:22:41,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424232514] [2023-11-23 10:22:41,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:22:41,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:22:41,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:22:41,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:22:41,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:22:41,741 INFO L87 Difference]: Start difference. First operand 5970 states and 9264 transitions. Second operand has 9 states, 9 states have (on average 25.0) internal successors, (225), 3 states have internal predecessors, (225), 2 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-23 10:22:46,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:22:46,771 INFO L93 Difference]: Finished difference Result 12935 states and 20237 transitions. [2023-11-23 10:22:46,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:22:46,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.0) internal successors, (225), 3 states have internal predecessors, (225), 2 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 556 [2023-11-23 10:22:46,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:22:46,797 INFO L225 Difference]: With dead ends: 12935 [2023-11-23 10:22:46,798 INFO L226 Difference]: Without dead ends: 7099 [2023-11-23 10:22:46,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:22:46,812 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 2615 mSDsluCounter, 3028 mSDsCounter, 0 mSdLazyCounter, 3346 mSolverCounterSat, 1651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 4269 SdHoareTripleChecker+Invalid, 4997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1651 IncrementalHoareTripleChecker+Valid, 3346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-23 10:22:46,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2701 Valid, 4269 Invalid, 4997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1651 Valid, 3346 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-23 10:22:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7099 states. [2023-11-23 10:22:47,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7099 to 5966. [2023-11-23 10:22:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5966 states, 4461 states have (on average 1.5261152208025106) internal successors, (6808), 4530 states have internal predecessors, (6808), 1206 states have call successors, (1206), 285 states have call predecessors, (1206), 298 states have return successors, (1240), 1185 states have call predecessors, (1240), 1205 states have call successors, (1240) [2023-11-23 10:22:47,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5966 states to 5966 states and 9254 transitions. [2023-11-23 10:22:47,225 INFO L78 Accepts]: Start accepts. Automaton has 5966 states and 9254 transitions. Word has length 556 [2023-11-23 10:22:47,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:22:47,225 INFO L495 AbstractCegarLoop]: Abstraction has 5966 states and 9254 transitions. [2023-11-23 10:22:47,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.0) internal successors, (225), 3 states have internal predecessors, (225), 2 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-23 10:22:47,226 INFO L276 IsEmpty]: Start isEmpty. Operand 5966 states and 9254 transitions. [2023-11-23 10:22:47,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2023-11-23 10:22:47,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:22:47,234 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:22:47,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-23 10:22:47,234 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:22:47,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:22:47,235 INFO L85 PathProgramCache]: Analyzing trace with hash -2095176670, now seen corresponding path program 1 times [2023-11-23 10:22:47,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:22:47,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547837163] [2023-11-23 10:22:47,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:22:47,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:22:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:22:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:22:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:22:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:22:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:22:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:22:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:22:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 10:22:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:47,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 10:22:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 10:22:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:22:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:22:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 10:22:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 10:22:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 10:22:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 10:22:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:22:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:22:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-23 10:22:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-23 10:22:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2023-11-23 10:22:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2023-11-23 10:22:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2023-11-23 10:22:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2023-11-23 10:22:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2023-11-23 10:22:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2023-11-23 10:22:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2023-11-23 10:22:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2023-11-23 10:22:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2023-11-23 10:22:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-23 10:22:48,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:22:48,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547837163] [2023-11-23 10:22:48,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547837163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:22:48,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:22:48,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:22:48,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474380395] [2023-11-23 10:22:48,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:22:48,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:22:48,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:22:48,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:22:48,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:22:48,502 INFO L87 Difference]: Start difference. First operand 5966 states and 9254 transitions. Second operand has 9 states, 9 states have (on average 25.0) internal successors, (225), 3 states have internal predecessors, (225), 2 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-23 10:22:54,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:22:54,038 INFO L93 Difference]: Finished difference Result 12941 states and 20241 transitions. [2023-11-23 10:22:54,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:22:54,039 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.0) internal successors, (225), 3 states have internal predecessors, (225), 2 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 556 [2023-11-23 10:22:54,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:22:54,062 INFO L225 Difference]: With dead ends: 12941 [2023-11-23 10:22:54,063 INFO L226 Difference]: Without dead ends: 7109 [2023-11-23 10:22:54,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:22:54,077 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 2144 mSDsluCounter, 2980 mSDsCounter, 0 mSdLazyCounter, 3880 mSolverCounterSat, 1206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2228 SdHoareTripleChecker+Valid, 4205 SdHoareTripleChecker+Invalid, 5086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1206 IncrementalHoareTripleChecker+Valid, 3880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-23 10:22:54,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2228 Valid, 4205 Invalid, 5086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1206 Valid, 3880 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-23 10:22:54,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7109 states. [2023-11-23 10:22:54,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7109 to 5968. [2023-11-23 10:22:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5968 states, 4463 states have (on average 1.5258794532825455) internal successors, (6810), 4532 states have internal predecessors, (6810), 1206 states have call successors, (1206), 285 states have call predecessors, (1206), 298 states have return successors, (1240), 1185 states have call predecessors, (1240), 1205 states have call successors, (1240) [2023-11-23 10:22:54,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5968 states to 5968 states and 9256 transitions. [2023-11-23 10:22:54,389 INFO L78 Accepts]: Start accepts. Automaton has 5968 states and 9256 transitions. Word has length 556 [2023-11-23 10:22:54,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:22:54,389 INFO L495 AbstractCegarLoop]: Abstraction has 5968 states and 9256 transitions. [2023-11-23 10:22:54,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.0) internal successors, (225), 3 states have internal predecessors, (225), 2 states have call successors, (45), 8 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-23 10:22:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 5968 states and 9256 transitions. [2023-11-23 10:22:54,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2023-11-23 10:22:54,397 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:22:54,398 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:22:54,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-23 10:22:54,398 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:22:54,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:22:54,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1375296543, now seen corresponding path program 1 times [2023-11-23 10:22:54,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:22:54,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230589654] [2023-11-23 10:22:54,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:22:54,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:22:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:22:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:22:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:22:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:22:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:22:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:22:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:22:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 10:22:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 10:22:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 10:22:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:22:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:22:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 10:22:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 10:22:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 10:22:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 10:22:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:22:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:22:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 10:22:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 10:22:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2023-11-23 10:22:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2023-11-23 10:22:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2023-11-23 10:22:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2023-11-23 10:22:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2023-11-23 10:22:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2023-11-23 10:22:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:22:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:22:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2023-11-23 10:22:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2023-11-23 10:22:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2023-11-23 10:22:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:22:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:22:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:22:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:22:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:22:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 879 trivial. 0 not checked. [2023-11-23 10:22:57,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:22:57,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230589654] [2023-11-23 10:22:57,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230589654] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:22:57,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140353401] [2023-11-23 10:22:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:22:57,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:22:57,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:22:57,443 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:22:57,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 10:22:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:22:59,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 7950 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 10:22:59,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:22:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 283 proven. 6 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-11-23 10:22:59,155 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 10:22:59,470 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2023-11-23 10:22:59,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140353401] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 10:22:59,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 10:22:59,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11, 7] total 17 [2023-11-23 10:22:59,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502162506] [2023-11-23 10:22:59,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:22:59,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:22:59,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:22:59,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:22:59,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-11-23 10:22:59,474 INFO L87 Difference]: Start difference. First operand 5968 states and 9256 transitions. Second operand has 5 states, 5 states have (on average 45.8) internal successors, (229), 5 states have internal predecessors, (229), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (44), 2 states have call predecessors, (44), 3 states have call successors, (44) [2023-11-23 10:23:00,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:23:00,896 INFO L93 Difference]: Finished difference Result 11806 states and 18363 transitions. [2023-11-23 10:23:00,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 10:23:00,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 45.8) internal successors, (229), 5 states have internal predecessors, (229), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (44), 2 states have call predecessors, (44), 3 states have call successors, (44) Word has length 557 [2023-11-23 10:23:00,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:23:00,933 INFO L225 Difference]: With dead ends: 11806 [2023-11-23 10:23:00,944 INFO L226 Difference]: Without dead ends: 5972 [2023-11-23 10:23:00,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1260 GetRequests, 1244 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-11-23 10:23:00,978 INFO L413 NwaCegarLoop]: 2053 mSDtfsCounter, 1 mSDsluCounter, 6130 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8183 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-23 10:23:00,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8183 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-23 10:23:00,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5972 states. [2023-11-23 10:23:01,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5972 to 5968. [2023-11-23 10:23:01,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5968 states, 4463 states have (on average 1.5258794532825455) internal successors, (6810), 4532 states have internal predecessors, (6810), 1206 states have call successors, (1206), 285 states have call predecessors, (1206), 298 states have return successors, (1238), 1185 states have call predecessors, (1238), 1205 states have call successors, (1238) [2023-11-23 10:23:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5968 states to 5968 states and 9254 transitions. [2023-11-23 10:23:01,449 INFO L78 Accepts]: Start accepts. Automaton has 5968 states and 9254 transitions. Word has length 557 [2023-11-23 10:23:01,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:23:01,450 INFO L495 AbstractCegarLoop]: Abstraction has 5968 states and 9254 transitions. [2023-11-23 10:23:01,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.8) internal successors, (229), 5 states have internal predecessors, (229), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (44), 2 states have call predecessors, (44), 3 states have call successors, (44) [2023-11-23 10:23:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5968 states and 9254 transitions. [2023-11-23 10:23:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2023-11-23 10:23:01,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:23:01,459 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:23:01,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 10:23:01,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:23:01,685 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:23:01,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:23:01,686 INFO L85 PathProgramCache]: Analyzing trace with hash -2044939229, now seen corresponding path program 2 times [2023-11-23 10:23:01,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:23:01,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114204019] [2023-11-23 10:23:01,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:23:01,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:23:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:23:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:23:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:23:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-23 10:23:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 10:23:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:23:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:23:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 10:23:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 10:23:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 10:23:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:23:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:23:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 10:23:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 10:23:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:23:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:23:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 10:23:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 10:23:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 10:23:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:23:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:23:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:23:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:23:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:23:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:23:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-23 10:23:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2023-11-23 10:23:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2023-11-23 10:23:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2023-11-23 10:23:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2023-11-23 10:23:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2023-11-23 10:23:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2023-11-23 10:23:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2023-11-23 10:23:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2023-11-23 10:23:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2023-11-23 10:23:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:23:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:05,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:23:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:05,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:23:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-11-23 10:23:05,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:23:05,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114204019] [2023-11-23 10:23:05,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114204019] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:23:05,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961554680] [2023-11-23 10:23:05,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 10:23:05,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:23:05,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:23:05,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:23:05,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 10:23:07,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 10:23:07,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 10:23:07,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 8103 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 10:23:07,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:23:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2023-11-23 10:23:07,569 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:23:07,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961554680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:23:07,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:23:07,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2023-11-23 10:23:07,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766006253] [2023-11-23 10:23:07,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:23:07,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 10:23:07,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:23:07,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 10:23:07,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-23 10:23:07,571 INFO L87 Difference]: Start difference. First operand 5968 states and 9254 transitions. Second operand has 7 states, 6 states have (on average 40.333333333333336) internal successors, (242), 6 states have internal predecessors, (242), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-23 10:23:09,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:23:09,520 INFO L93 Difference]: Finished difference Result 11946 states and 18530 transitions. [2023-11-23 10:23:09,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 10:23:09,521 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 40.333333333333336) internal successors, (242), 6 states have internal predecessors, (242), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 559 [2023-11-23 10:23:09,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:23:09,544 INFO L225 Difference]: With dead ends: 11946 [2023-11-23 10:23:09,544 INFO L226 Difference]: Without dead ends: 5968 [2023-11-23 10:23:09,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 707 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-11-23 10:23:09,559 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2 mSDsluCounter, 10273 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 12331 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 10:23:09,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12331 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 10:23:09,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5968 states. [2023-11-23 10:23:09,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5968 to 5968. [2023-11-23 10:23:09,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5968 states, 4463 states have (on average 1.5252072596907909) internal successors, (6807), 4532 states have internal predecessors, (6807), 1206 states have call successors, (1206), 285 states have call predecessors, (1206), 298 states have return successors, (1238), 1185 states have call predecessors, (1238), 1205 states have call successors, (1238) [2023-11-23 10:23:09,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5968 states to 5968 states and 9251 transitions. [2023-11-23 10:23:09,876 INFO L78 Accepts]: Start accepts. Automaton has 5968 states and 9251 transitions. Word has length 559 [2023-11-23 10:23:09,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:23:09,876 INFO L495 AbstractCegarLoop]: Abstraction has 5968 states and 9251 transitions. [2023-11-23 10:23:09,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 40.333333333333336) internal successors, (242), 6 states have internal predecessors, (242), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2023-11-23 10:23:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 5968 states and 9251 transitions. [2023-11-23 10:23:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2023-11-23 10:23:09,890 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:23:09,891 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 13, 13, 13, 13, 13, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:23:09,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 10:23:10,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:23:10,116 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:23:10,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:23:10,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1860283763, now seen corresponding path program 3 times [2023-11-23 10:23:10,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:23:10,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698908114] [2023-11-23 10:23:10,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:23:10,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:23:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:23:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 10:23:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:23:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 10:23:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:23:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:23:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:23:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 10:23:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:15,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:23:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-23 10:23:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:23:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 10:23:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-23 10:23:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-23 10:23:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:23:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-23 10:23:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:23:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-11-23 10:23:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:23:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:23:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 10:23:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 10:23:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:23:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:23:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 10:23:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 10:23:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 10:23:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:23:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:23:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:23:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:23:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:23:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:23:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-23 10:23:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2023-11-23 10:23:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2023-11-23 10:23:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2023-11-23 10:23:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2023-11-23 10:23:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2023-11-23 10:23:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2023-11-23 10:23:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:23:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:23:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2023-11-23 10:23:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2023-11-23 10:23:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2023-11-23 10:23:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:23:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:23:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:23:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:23:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:23:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:23:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2696 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2685 trivial. 0 not checked. [2023-11-23 10:23:16,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:23:16,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698908114] [2023-11-23 10:23:16,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698908114] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:23:16,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502920031] [2023-11-23 10:23:16,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-23 10:23:16,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:23:16,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:23:16,580 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:23:16,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 10:23:24,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-23 10:23:24,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 10:23:25,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 7905 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 10:23:25,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:23:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2696 backedges. 590 proven. 2 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked. [2023-11-23 10:23:25,087 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 10:23:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2696 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 2669 trivial. 0 not checked. [2023-11-23 10:23:25,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502920031] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 10:23:25,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 10:23:25,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 6] total 18 [2023-11-23 10:23:25,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405332845] [2023-11-23 10:23:25,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 10:23:25,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-23 10:23:25,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:23:25,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-23 10:23:25,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2023-11-23 10:23:25,575 INFO L87 Difference]: Start difference. First operand 5968 states and 9251 transitions. Second operand has 18 states, 17 states have (on average 22.235294117647058) internal successors, (378), 12 states have internal predecessors, (378), 4 states have call successors, (95), 8 states have call predecessors, (95), 4 states have return successors, (76), 2 states have call predecessors, (76), 4 states have call successors, (76) [2023-11-23 10:23:37,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:23:37,283 INFO L93 Difference]: Finished difference Result 13047 states and 20477 transitions. [2023-11-23 10:23:37,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 10:23:37,284 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 22.235294117647058) internal successors, (378), 12 states have internal predecessors, (378), 4 states have call successors, (95), 8 states have call predecessors, (95), 4 states have return successors, (76), 2 states have call predecessors, (76), 4 states have call successors, (76) Word has length 703 [2023-11-23 10:23:37,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:23:37,312 INFO L225 Difference]: With dead ends: 13047 [2023-11-23 10:23:37,312 INFO L226 Difference]: Without dead ends: 7114 [2023-11-23 10:23:37,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1625 GetRequests, 1600 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2023-11-23 10:23:37,326 INFO L413 NwaCegarLoop]: 1228 mSDtfsCounter, 1608 mSDsluCounter, 11004 mSDsCounter, 0 mSdLazyCounter, 12375 mSolverCounterSat, 847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1696 SdHoareTripleChecker+Valid, 12232 SdHoareTripleChecker+Invalid, 13222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 847 IncrementalHoareTripleChecker+Valid, 12375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-23 10:23:37,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1696 Valid, 12232 Invalid, 13222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [847 Valid, 12375 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2023-11-23 10:23:37,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7114 states. [2023-11-23 10:23:37,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7114 to 5983. [2023-11-23 10:23:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5983 states, 4476 states have (on average 1.5245755138516532) internal successors, (6824), 4547 states have internal predecessors, (6824), 1206 states have call successors, (1206), 285 states have call predecessors, (1206), 300 states have return successors, (1258), 1185 states have call predecessors, (1258), 1205 states have call successors, (1258) [2023-11-23 10:23:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5983 states to 5983 states and 9288 transitions. [2023-11-23 10:23:37,653 INFO L78 Accepts]: Start accepts. Automaton has 5983 states and 9288 transitions. Word has length 703 [2023-11-23 10:23:37,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:23:37,653 INFO L495 AbstractCegarLoop]: Abstraction has 5983 states and 9288 transitions. [2023-11-23 10:23:37,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 22.235294117647058) internal successors, (378), 12 states have internal predecessors, (378), 4 states have call successors, (95), 8 states have call predecessors, (95), 4 states have return successors, (76), 2 states have call predecessors, (76), 4 states have call successors, (76) [2023-11-23 10:23:37,654 INFO L276 IsEmpty]: Start isEmpty. Operand 5983 states and 9288 transitions. [2023-11-23 10:23:37,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2023-11-23 10:23:37,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:23:37,663 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 13, 13, 13, 13, 13, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:23:37,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 10:23:37,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-23 10:23:37,885 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:23:37,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:23:37,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1002256584, now seen corresponding path program 4 times [2023-11-23 10:23:37,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:23:37,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975351486] [2023-11-23 10:23:37,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:23:37,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Killed by 15